northwest pipeline corporation tue march 11, 1986...

NORTHWEST PIPELINE CORPORATION GAS RESERVES DEPARTMENT ECONOMIC STUDY COMMERCIALITY OF SJ 30-5 UNIT 493 DK

TUE MARCH 11, 1986 12:51:04 PM

WORKING INT. B/PAYOUT % 100.0 WORKING INT. A/PAYOUT % 100.0 INCOME TAX % 48.0 UNIT OF PRODUCTION DEPRECIATION

ANNUAL COST INFLATION % 0.0 ANNUAL PRICE INFLATION % 0.0 NEG INC TAX OFFSET BY OTHER INCOME

GAS PRODUCTION FROM SJ 30-5 UNIT #93 DK LAND OWNER ROYALTY AD VALOREM AND SEV TAXES MONTH OF CAPITAL EXPENSE DRILLING COSTS ($1000).. SALVAGE VALUE ($1000)...

12.5 8.3 5

418.3 0.0

OVERRIDING ROYALTY 0.0 OPERATING COSTS ($/M0) 500.0 OPERATING COSTS {% OF PROD). 0.0 TANGIBLE $ {% OF DRILLING $) 34.5

INITIAL TO ENDING MONTH MCF/D DECLINE MCF/D MONTH

11 246.0 47.9 198.0 15 15 198.0 29.8 176.0 19 19 176.0 22.0 162.0 23 23 162.0 17.4 152.0 27 27 152.0 15.0 144.0 31 31 144.0 12.0 138.0 35 35 138.0 12.5 132.0 39 39 132.0 10.9 127.0 43 43 127.0 11.4 122.0 47 47 122.0 7.2 119.0 51 51 119.0 9.7 115.0 55 55 115.0 5.1 113.0 59 59 113.0 7.8 110.0 63 63 110.0 8.0 107.0 67 67 107.0 5.5 105.0 71 71 105.0 6.3 40.0 250 250 40.0 100.0 0.0 251

PRICE AVG ANNUAL ROYALTY REVENUE AFTER YEAR $/ MCF MCF/D MCF MCF ROYALTY $1000

1983 3.62 40 14580. 1822. 46. 1984 3.62 183 66719. 8340. 211. 1985 3.62 146 53224. 6653. 169. 1986 3-62 128 46647. 5831. 148. 1987 3.62 116 42382. 5298. 134. 1988 3.62 108 39329. 4916. 125. 1989 3.62 101 36838. 4605. 117. 1990 3.62 95 34530. 4316. 109. 1991 3.62 89 32367. 4046. 103. 1992 3.62 83 30339. 3792. 96. 1993 3.62 78 28438. 3555. 90. 1994 3.62 73 26656. 3332. 84. 1995 3.62 68 24986. 3123. 79. 1996 3.62 64 23421. 2928. 74. 1997- 3.62 60 21954. 2744. 70. 1998 3.62 56 20578. 2572. 65. 1999 3-62 53 19289. 2411. 61. 2000 3.62 50 18081. 2260. 57.

2001 3-62 46 16948. 2118. 54. 2002 3.62 43 15886. 1986. 50. 2003 3-62 34 12475. 1559. 40. TOTAL. 625661. 78206. 1982.

NORTHWEST PIPELINE CORPORATION GAS RESERVES DEPARTMENT ECONOMIC STUDY COMMERCIALITY OF SJ 30-5 UNIT #93 DK

TUE MARCH 11, 1986 12:51:04 PM

WORKING INT. B/PAYOUT 7* 100.0 WORKING INT. A/PAYOUT % 100.0 INCOME TAX % 48.0 UNIT OF PRODUCTION DEPRECIATION

ANNUAL COST INFLATION % 0.0 ANNUAL PRICE INFLATION % 0.0 NEC INC TAX OFFSET BY OTHER INCOME

DISCOUNT ****PRESENT VALUE***** **RATE** ****** $1000 ********* *** % ** BEFORE TAX AFTER TAX

34.1 0. 25.8 0. 15.0 298. 117.

DISCOUNTED PROFIT TO** ***INVESTMENT RATIO*** BEFORE TAX AFTER TAX

0.00 RATE OF RETURN B.T. 0.0 RATE OF RETURN A.T.

0.71 0.28

INCOME **PROJECT EXPENSES IN $1000* *$1000 ***** ***** AD.V. ***** **NET* CAPI- ***** SEV. PROD.

YEAR ****** *TAL* DEPR. TAXES COSTS

****CASH FLOW ANALYSIS IN $1000**** ****** **CUM ***** ****** ***** BEFORE BEFORE TAXED INCOME AFTER *TAXES TAXES INCOME TAXES TAXES

1983 46 418 3 4 1 -377 -377 -236 -113 -264 1984 211 0 15 18 6 188 -189 172 83 105 1985 169 0 12 14 6 149 -41 136 65 83 1986 148 0 11 12 6 129 89 119 57 72 1987 134 0 10 11 6 117 206 107 52 66 1988 125 0 9 10 6 108 314 99 48 61 1989 117 0 9 10 6 101 415 92 44 57 1990 109 0 8 9 6 94 509 86 41 53 1991 103 0 7 9 6 88 597 81 39 49 1992 96 0 7 8 6 82 680 75 36 46 1993 90 0 7 7 6 77 756 70 34 43 1994 84 0 6 7 6 71 828 65 31 40 1995 79 0 6 7 6 67 894 61 29 37 1996 74 0 5 6 6 62 956 57 27 35 1997 70 0 5 6 6 58 1014 53 25 32 1998 65 0 5 5 6 54 1068 49 24 30 1999 61 0 4 5 6 50 1118 46 22 28 2000 57 0 4 5 6 46 1164 42 20 26 2001 54 0 4 4 6 43 1207 39 19 24 2002 50 0 4 4 6 40 1247 36 18 23 2003 40 0 3 3 5 31 1279 28 14 18

TOTAL 1982 418 144 165 120 1279 0 1278 614 665

PAYOUT DURING MONTH 4 OF YEAR 4


TUE MARCH 11, 1986 12:32:31 PM


ANNUAL COST INFLATION % 0.0 ANNUAL PRICE INFLATION % 0.0 NEC INC TAX OFFSET BY OTHER INCOME

GAS PRODUCTION FROM SJ 30-5 UNIT #77 DK LAND OWNER ROYALTY % 12.5 AD VALOREM AND SEV TAXES...% 0.0 MONTH OF CAPITAL EXPENSE 10 DRILLING COSTS ($1000) 424.0 SALVAGE VALUE ($1000), 0.0

OVERRIDING ROYALTY 0.0 OPERATING COSTS ($/M0) 500.0 OPERATING COSTS {% OF PROD). 0.0 TANGIBLE $ (% OF DRILLING $) 39.0

INITIAL % TO ENDING MONTH MCF/D DECLINE MCF/D MONTH

19 780.0 89.2 371.0 23 23 371.0 61.5 270.0 27 27 270.0 44.4 222.0 31 31 222.0 34.3 193-0 35 35 193-0 28.0 173.0 39 39 173-0 22.4 159.0 43 43 159.0 21.0 147.0 47 47 147.0 17.3 138.0 51 51 138.0 16.4 130.0 55 55 130.0 15.3 123.0 59 59 123.0 11.7 118.0 63 63 118.0 12.2 113.0 67 67 113.0 12.7 108.0 71 71 108.0 8.1 105.0 75 75 105.0 11.0 101.0 79 79 101.0 8.6 98.0 83 83 98.0 8.9 95.0 87 87 95.0 9.2 92.0 91 91 92.0 6.4 90.0 95 95 90.0 6.4 57.0 178 178 57.0 6.3 37.0 258 258 37.0 100.0 0.0 259


1981 2.66 0 0. 0. 0. 1982 2.66 261 95151. 11894. 221. 1983 2.66 236 86379. 10797. 201. 1984 2.66 162 59066. 7383- 137. 1985 2.66 131 47987. 5998. 112. 1986 2.66 114 41511. 5189. 97. 1987 2.66 102 37161. 4645. 86. 1988 2.66 93 33852. 4232. 79. 1989 2.66 86 31549. 3944. 73-1990' 2.66 81 29533- 3692. 69. 1991 2.66 76 27646. 3456. 64. 1992 2.66 71 25879. 3235. 60. 1993 2.66 66 24225. 3028. 56.

1994 2.66 62 22677. 2835. 53-1995 2.66 58 21228. 2654. 49. 1996 2.66 54 19888. 2486. 46. 1997 2.66 51 18640. 2330. 43. 1998 2.66 48 17470. 2184. 41. 1999 2.'66 45 16374. 2047. 38. 2000 2.66 42 15346. 1918. 36. 2001 2.66 39 14383- 1798. 33-TOTAL, 685939- 85740. 1596.


TUE MARCH 11, 1986 12:32:31 PM



DISCOUNT ****PRESENT VALUE***** **RATE** ****** $1000 ********* *** % ** BEFORE TAX AFTER TAX

38.0 0. 27.0 0. 15.0 271. 103.

DISCOUNTED PROFIT TO** ***INVESTMENT RATIO*** BEFORE TAX AFTER TAX

0.00 RATE OF RETURN B.T. 0.0 RATE OF RETURN A.T.

0.64 0.24

INCOME **PR0JECT EXPENSES IN $1000* ****CASH FLOW ANALYSIS ; I N $1000**** *$1000 ***** ***** AD.V. ***** ****** **CUM ***** ****** ***** **NET* CAPI ***** SEV. PROD. BEFORE BEFORE TAXED INCOME AFTER

YEAR ****** TAL* DEPR. TAXES COSTS *TAXES TAXES INCOME TAXES TAXES

1981 0 424 0 0 0 -424 -424 -259 -124 -300 1982 221 0 23 0 3 218 -206 196 94 125 1983 201 0 21 0 6 195 -11 174 84 111 1984 137 0 14 0 6 131 121 117 56 75 1985 112 0 12 0 6 106 227 94 45 60 1986 97 0 10 0 6 91 317 81 39 52 1987 87 0 9 0 6 80 398 72 34 46 1988 79 0 8 0 6 73 470 65 31 42 1989 73 0 8 0 6 67 538 60 29 39 1990 69 0 7 0 6 63 601 56 27 36 1991 64 0 7 0 6 58 659 52 25 34 1992 60 0 6 0 6 54 713 48 23 31 1993 56 0 6 0 6 50 763 45 21 29 1994 53 0 5 0 6 47 810 41 20 27 1995 49 0 5 0 6 43 854 38 18 25 1996 46 0 5 0 6 40 894 35 17 23 1997 43 0 4 0 6 37 931 33 16 22 1998 41 0 4 0 6 35 966 30 15 20 1999 38 0 4 0 6 32 998 28 14 19 2000 36 0 4 0 6 30 1028 26 12 17 2001 33 0 3 0 6 27 1055 24 12 16

TOTAL 1597 424 165 0 117 1055 0 1055 507 549


NORTHWEST PIPELINE CORPORATION GAS RESERVES DEPARTMENT ECONOMIC STUDY COMMERCIALITY'OF SJ 30-5 UNIT #80 DK

TUE MARCH 11, 1986 12:28:50 PM



GAS PRODUCTION FROM SJ 30-5 UNIT #80 DK LAND OWNER ROYALTY AD VALOREM AND SEV TAXES MONTH OF CAPITAL EXPENSE DRILLING COSTS ($1000).. SALVAGE VALUE ($1000)...

12.5 8.3 2

379.2 0.0

OVERRIDING ROYALTY 0.0 OPERATING COSTS ($/M0) 500.0 OPERATING COSTS (% OF PROD). 0.0 TANGIBLE $ {% OF DRILLING $) 42.8

INITIAL % TO ENDING MONTH MCF/D DECLINE MCF/D MONTH

10 344.0 54.3 265.0 14 14 265.0 53-7 205.0 18 18 205.0 13.9 195.0 22 22 195.0 4.7 180.0 42 42 180.0 9.7 174.0 46 46 174.0 10.0 168.0 50 50 168.0 7.0 164.0 54 54 164.0 8.9 159.0 58 58 159.0 5.6 156.0 62 62 156.0 7.5 152.0 66 66 152.0 5.8 149.0 70 70 149-0 5.9 146.0 74 74 146.0 6.0 143.0 78 78 143.0 5.9 60.0 249 249 60.0 100.0 0.0 250


1983 3.62 81 29470. 3684. 93-1984 3-62 220 80220. 10027. 254. 1985 3-62 188 68848. 8606. 218. 1986 3.62 178 65114. 8139. 206. 1987 3.62 163 59616. 7452. 189. 1988 3.62 152 55485. 6936. 176. 1989 3.62 143 52113. 6514. 165. 1990 3.62 134 49025. 6128. 155. 1991 3.62 126 46127. 5766. 146. 1992 3.62 119 43399. 5425. 137. 1993 3.62 112 40833. 5104. 129. 1994 3.62 105 38419. 4802. 122. 1995 3-62 99 36147. 4518. 114. 1996 3-62 93 34010. 4251. 108. 1997 3.62 88 31999. 4000. 101. 1998 3.62 82 30107. 3763. 95. 1999- 3.62 78 28327. 3541. 90. 2000 3-62 73 26652. 3331. 84. 2001 3-62 69 25076. 3135. 79. 2002 3-62 65 23593- 2949. 75.

2003 3-62 46 16775. 2097. 53-TOTAL 881349. 110165. 2792.


TUE MARCH 11, 1986 12:28:50 PM

WORKING INT. B/PAYOUT % 100.0 ANNUAL COST INFLATION % 0.0 WORKING INT. A/PAYOUT % 100.0 ANNUAL PRICE INFLATION % 0.0 INCOME TAX % 48.0 NEG INC TAX OFFSET BY OTHER INCOME UNIT OF PRODUCTION DEPRECIATION

DISCOUNT ****PRESENT VALUE***** DISCOUNTED PROFIT TO** **RATE** ****** $1000 ********* ***INVESTMENT RATIO*** *** ji ** BEFORE TAX AFTER TAX BEFORE TAX AFTER TAX

52.1 0. 0.00 RATE OF RETURN B.T. 37.6 0. 0.0 RATE OF RETURN A.T. 15.0 604. 268. 1.59 0.71

INCOME **PROJECT EXPENSES IN $1000* ****CASH FLOW ANALYSIS IN $1000**** *$1000 ***** ***** AD.V. ***** ****** **CUM ***** ****** ***** **NET* CAPI ***** SEV. PROD. BEFORE BEFORE TAXED INCOME AFTER

YEAR ****** TAL* DEPR. TAXES COSTS *TAXES TAXES INCOME TAXES TAXES

1983 93 379 5 8 2 -295 -295 -138 -66 -229 1984 254 0 15 21 6 227 -68 212 102 125 1985 218 0 13 18 6 194 126 181 87 107 1986 206 0 12 17 6 183 309 171 82 101 1987 189 0 11 16 6 167 476 156 75 92 1988 176 0 10 15 6 155 631 145 70 86 1989 165 0 10 14 6 145 777 136 65 80 1990 155 0 9 13 6 136 913 127 61 75 1991 146 0 9 12 6 128 1041 119 57 71 1992 137 0 8 11 6 120 1161 112 54 66 1993 129 0 8 11 6 113 1274 105 50 62 1994 122 0 7 10 6 106 1379 98 47 58 1995 115 0 7 10 6 99 1478 92 44 55 1996 108 0 6 9 6 93 1571 86 42 51 1997 101 0 6 8 6 87 1658 81 39 48 1998 95 0 6 8 6 81 1739 76 36 45 1999 90 0 5 7 6 76 1815 71 34 42 2000 84 0 5 7 6 71 1887 66 32 39 2001 79 0 5 7 6 67 1954 62 30 37 2002 75 0 4 6 6 63 2016 58 28 35 2003 53 0 3 4 5 44 2060 41 20 24

TOTAL 2792 379 162 232 120 2060 0 2060 989 1071


EXHIBIT "B

SAN JUAN 30-5 UNIT RIO ARRIBA COUNTY, NEW MEXICO

GEOLOGIC REPORT DAKOTA PRODUCING INTERVAL

NINTH AND TENTH EXPANSIONS OF THE DAKOTA PARTICIPATING AREA AND PROPOSED INITIAL DAKOTA "B" PARTICIPATING AREA

Prepared by Carolyn Firth

NORTHWEST PIPELINE CORPORATION

APPROVED BY: Kenneth Jj/^Stracke Di rector Production Divis ion

EXHIBIT "B" SAN JUAN 30-5 UNIT

RIO ARRIBA COUNTY, NEW HEXICO GEOLOGIC REPORT

DAKOTA PRODUCING INTERVAL

NINTH AND TENTH EXPANSIONS OF THE DAKOTA PARTICIPATING AREA AND PROPOSED INITIAL DAKOTA HBH PARTICIPATING AREA

GENERAL INFORMATION

The San Juan 30-5 Unit 1s located near the east edge of the productive area of the San Juan Basin. The unit includes 20,092.24 acres In Township 30 North, Range 5 West. All or parts of sections 1, 2, 3, 4, and 12 (2,329.56 acres) have been eliminated from the unit.

Within the unit area, the "Dakota Producing Interval" has been tested in 47 wells, resulting in 5 noncommercial wells, 2 plugged and abandoned wells, 31 commercial wells, 6 wells pending commerciality determination, and 3 wells awaiting pipeline connection. Seventeen of the 47 wells participate 1n the Dakota Participating Area, and 2 wells (Schalk 57-1 and 57-1E) participate In the Dakota "A" Participating Area.

The "Dakota Producing Interval" consists of the Graneros Shale, the Dakota Sandstone, and the Upper Morrison Formation. This interval has been defined and the lithology and stratigraphy have been discussed 1n geologic reports for adjacent units. Within the San Juan 30-5 Unit, the productive sands of the "Dakota Producing Interval" are restricted to the upper (marine) and middle (fluvial) Dakota Sands.

Included in this report as Exhibit "C" are three maps and a cross-section (Figures 1-4). Figure 1 is a Dakota structure map contoured on the top of the Graneros Shale using mean sea level as the datum plane and a contour interval of 20 feet. The major structural features include an anticlinal nose plunging northward through the east half of the unit, which is bordered on the west by a north-to-northeast plunging syncline. Regional strike is approximately N65°W, and regional dip is approximately 50 feet per mile (0.5°) to the northeast.

Figure 2 1s an Isopachous map of the net productive upper Dakota Sandstone as determined from radioactive and electric logs of wells drilled within the unit and the surrounding area. Sand bodies generally trend northwest-southeast. Net sand thickness decreases to zero 1n the southern part of the unit.

Of the 17 wells Included 1n the Dakota Participating Area, 11 are completed In the upper sandstone only. The best areas for Dakota production generally correspond to areas with good upper sand development. With one exception (the No. 27 well, completed 1n 1959 with a small sand-oil frac) all of the noncommercial wells are located 1n areas with l i t t l e or no net upper sand. This correlation of well productivity with net upper sand thickness demonstrates the validity of the parameters used to define "net" sand, and suggests that the middle Dakota Interval contributes only minor amounts of gas.

San Juan Expansion October 1985 Page Two

Figure 3 1s a map showing the net thickness (by well) of the perforated sands within the middle Dakota interval. No thicknesses are indicated for wells that were completed only 1n the upper sand.

Figure 4 1s a stratigraphic cross-section showing the southern pinchout of the productive upper Dakota Sandstone. This cross-section will be discussed 1n greater detail later in this report.

Exhibit "D* (Table 1) 1s a tabulation of the Dakota gas production for all wells within the Unit boundary. Monthly gas production for the 12-month period ending August 31, 1985 is shown, as well as cumulative production. The San Juan 30-5 Unit has produced 7,419,977 Mcf of gas from the Dakota Producing Interval as of September 1, 1985.

NINTH EXPANSION OF THE DAKOTA PARTICIPATING AREA

Effective Date: April 1, 1983 Proposed Acreage: Township 30 North, Range 5 West, N.M.P.M. Section 6,

N/2 (320 acres)

The Ninth Expansion of the Dakota Participating Area is based on interpretation of the well logs, i n i t i a l test results, and production history of the San Juan 30-5 Unit well No. 80. From this data, 1t is inferred that the proposed acreage is capable of producing unitized substances 1n commercial quantities from the Dakota Producing Interval. The well 1s described as foilows:

The San Juan 30-5 Unit well No. 80 1s located 800 feet from the North line and 800 feet from the East line, Section 6, Township 30 North, Range 5 West, N.M.P.M., R1o Arriba County, New Mexico. This well was spudded on January 15, 1983. The Dakota Formation was completed on March 21, 1983. The Dakota Formation was perforated with 21 holes at the following depths:

7884',7886',7888',7890',7892',7894',7896', 7898',7900',7902',7904',7931',7933 *,7935•, 7937',7939',7941',79431,7945',7947',7949 *

These perforations were treated with 121,400 gallons of pad water followed by 60,000 pounds of 40/60 sand. The well was tested on April 8, 1983 using a positive choke in a three-hour test. The well was tested at a 2429 Mcf/d flow rate with a calculated AOF of 2518 Mcf/d. The ISIP was measured at 2695 psig.

On the basis of this well, the N/2 of Section 6 (320 acres) 1s recommended as the Ninth Expansion of the Dakota Participating Area.

San Juan Expansion October 1985 Page Three

TENTH EXPANSION OF THE DAKOTA PARTICIPATING AREA

Effective Date: June 1, 1983 Proposed Acreage: Township 30 North, Range 5 West, N.M.P.M. Section 26,

N/2 (320 acres)

The Tenth Expansion of the Dakota Participating Area is based on initial test results and production history of the San Juan 30-5 Unit well No. 93. From this data, 1t is Inferred that the proposed acreage is capable of producing unitized substances in commercial quantities from the Dakota Producing Interval. The well 1s described as follows:

The San Juan 30-5 Unit well No. 93 is located 790 feet from the North line and 890 feet from the East line, Section 26, Township 30 North, Range 5 West, N.M.P.M., Rio Arriba County, New Mexico. This well was spudded on April 19, 1983. The Dakota Formation was completed on May 26, 1983. The Dakota Formation was perforated with 16 holes at the following depths:

8411',8412',8413',8414',8415',8416',8417',8418', 8419',8420',8421',8422',8423',8447',8448',8449 '

These perforations were treated with 156,000 gallons of pad water followed by 40,000 pounds of 40/60 sand and 32,860 pounds of 20/40 sand. The well was tested on June 28, 1983 using a positive choke 1n a three-hour test. A flow rate of 1065 Mcf/d was measured with a calculated AOF of 1082 Mcf/d. The ISIP was measured at 2734 psig.

On the basis of this well, the N/2 of Section 26 (320 acres) is recommended as the Tenth Expansion of the Dakota Participating Area.

INITIAL DAKOTA "B" PARTICIPATING AREA

Effective Date: October 23, 1981 Proposed Acreage: Township 30 North, Range 5 West, N.M.P.M.

Lots 1, 2, 3, 4, and W/2 E/2 of Section 36 (220.76 acres) The Initial Dakota "B" Participating Area Is based on log interpretation, initial test results, and production history of the San Juan 30-5 Unit well No. 77. From this data, it Is inferred that the proposed acreage 1s capable of producing unitized substances 1n commercial quantities from the Dakota Producing Interval.

The No. 77 well 1s completed only 1n the upper Dakota Sandstone. Referring to the Isopach map (Exhibit C, Figure 2), the zero Une of the upper Dakota Sandstone trends generally east-west across sections 25 through 30 (Township 30 North, Range 5 West). The No. 77 well, located more than a mile south of

San Juan Expansion October 1985 Page Four

the zero sand Une, 1s surrounded to the west and north by three noncommercial wells {Nos. 82, 91, and 85). This fact, plus the occurrence of five feet of net upper Dakota sand 1n the No. 77 well, suggests that the well 1s producing from a separate pool. Therefore, a separate participating area 1s recommended for the proposed acreage.

The cross-section (Exhibit C, Figure 4) shows the southern pinchout of the productive upper Dakota Sandstone. The correlation lines of the cross-section are drawn on net sand, the cutoffs being 35 ohms resistivity, 6 percent porosity, and 60 API units.

The No. 77 well 1s described as follows:

The San Juan 30-5 Unit well No. 77 1s located 1640 feet from the North Une and 870 feet from the East line, Section 36, Township 30 North, Range 5 West, N.M.P.M., R1o Arriba County, New Mexico. This well was spudded on May 14, 1981. The Dakota Formation was completed on October 23, 1981. This formation was perforated with 17 holes between the following depths:

8618' to 8634'

These perforations were treated with 20,000 gallons of pad water followed by 40,000 pounds of 40/60 sand and 20,000 pounds of 20/40 sand 1n fracturing fluid. This well was I n i t i a l l y tested on October 23, 1981 using a positive choke in a three-hour test. The SITP was 2791 psig with a flowing tubing pressure of 143 psig producing at a rate of 1927 Mcf/d. The calculated AOF was 2019 Mcf/d.

On the basis of the above well and the surrounding geology, Lots 1, 2, 3, 4, and W/2 E/2 of Section 36 (220.76 acres) are recommended as the I n i t i a l Dakota "B" Participating Area.

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E N E R G Y AND M I N E R A L S D E P A R T M E N T O I L C O N S E R V A T I O N D I V I S I O N

S T A T E O F N E W M E X I C O

1935 - 1985

TONEY ANAYA GOVERNOR A p r i l 2 , 1986 POST OFFICE B O X 2088

STATE LAND OFFICE BUILDING SANTA FE. N E W M E X I C O 87501

(505) 827-5800

Northwest P i p e l i n e C o r p o r a t i o n P. O. Box 8900 Salt Lake C i t y , Utah 84108-0900

A t t e n t i o n : D a r r e l l L. G i l l a n

Re: San Juan 30-5 Unit #14-08-001-346 Rio A r r i b a County, New Mexico

A p p l i c a t i o n f o r Approval of the N i n t h Expanded P a r t i c i p a t i n g Area; Dakota Formation E f f e c t i v e A p r i l 1, 1983

A p p l i c a t i o n f o r Approval of the Tenth Expanded P a r t i c i p a t i n g Area; Dakota Formation E f f e c t i v e June 1, 1983'

A p p l i c a t i o n f o r Approval of the I n i t i a l Dakota "B" P a r t i c i p a t i n g Area; Dakota Formation E f f e c t i v e October 23, 1981

Gentlemen:

The above-referenced s u b m i t t a l has been approved by the New Mexico O i l Conservation D i v i s i o n e f f e c t i v e t h i s date. Such approval i s contingent upon l i k e approval by the New Mexico Commissioner of Pub l i c Lands and the Bureau of Land Management.

ROY 1E .' JOHNSON, Senior Petroleum Geologist

REJ/dr

cc: Commissioner of Pub l i c Lands - Santa Fe ' Bureau of Land Management - Albuquerque j OCD D i s t r i c t O f f i c e - Aztec ?

State of New Mexico

JIM BACA COMMISSIONER

•mmlssfoner cf IuLIk Lancls February 21, 1986

p.o.aoxiiu SANTA FE, NEW MEXICO 87504-114* Express Mail Delivery U*ti 310 Old S»nt» Ft Tp.il

Northwest Pipeline Corporation P. 0. Box 8900 Salt Lake City Utah 84108-0900

Santa Ft, Ntw Mexico 87501

Re: San Juan 30-5 Unit Rio Arriba County, New Mexico Notice of Completion of Additional Wells Dakota Formation

ATTENTION: Mr. D a r r e l l L. G i l l e n

Gentlemen:

This o f f i c e i s i n receipt of your l e t t e r of November 22, 1986, wherein Northwest Pipeline Corporation as u n i t operator of the San Juan 30-5 Unit, has determined that the Unit Well Nos. 75, 76, and 78 are capable of producing un i t i z e d substances i n paying quantities from the Dakota Formation.

The Commissioner of Public Lands concurs wi t h your determination and has t h i s date approved your Notice of Completion of Additional Wells i n the Dakota Formation. Inasmuch as these wells were completed i n the exis t i n g Dakota P a r t i c i p a t i n g Area, no re v i s i o n i s necessary. Our approval i s subject to l i k e approval by the New Mexico O i l Conservat i o n Division and the Bureau of Land Management.

Very t r u l y yours,

JIM BACA COMMISSIONER OF PUBLIC LANDS

FLOYD 0. PRANDO, Director O i l and Gas Di v i s i o n AC 505/827-5744

JB/FOP/pm ends. cc: OCD-Santa Fe, New Mexico

BLM-Albuquerque, New Mexico Attn: Fluids Branch BLM-Roswell, New Mexico Attn: Mr. Armando Lopez

NORTHWEST PIPEUNE CORPORATION MMF ONE OF THE WILLIAMS COMPANIES MAW*

P 0 BOX 8900 SALT LAKE CITY. UTAH 84108-0900

801-584-6669 801-584-7215

February 3, 1986

Assistant District Manager, Minerals Bureau of Land Management Western National Bank Building 505 Marquette NW, Suite 815 Albuquerque, NM 87102

State of New Mexico Commissioner of Public Lands Attn: Mr. Ray D. Graham Post Office Box 1148 Santa Fe, NM 87501

State of New Mexico 011 Conservation Division Attn: Mr. Richard L. Stamets Post Office Box 2088 Santa Fe, NM 87501

Re: San Juan 30-5 Unit #14-08-001-436 San Juan County, New Mexico NOTICE OF COMPLETION OF NON-COMMERCIAL WELLS DAKOTA FORMATION

Gentlemen:

The Notice of Completion of Non-Commercial Wells, which was filed August 26, 1985 for the San Juan 30-5 #85 and #91 wells has been approved by the regulatory agencies as follows:

Bureau of Land Management 12/09/85 Commissioner of Public Lands 01/08/86

Copies of this letter are being sent to the Working Interest Owners shown on the attached sheet.

LAND DEPARTMENT

110-86

295 CHIPETA WAY SALT LAKE CITY. UTAH 8 4 1 0 8

February 3, 1986 Page -2-

Sincerely,


J Darrell L. Glllen Land Coordinator DLGtjs

Attachments

cc: Working Interest Owners K. J. Stracke W. 0. Curtis K. Nielsen

SAN JUAN 30-5 WORKING INTEREST OWNERS

Amoco Production Company Western Division, Production Manager 1670 Broadway Amoco Building Denver, CO 80202

Phillips 011 Company Attention: Bruce A. Bowman 8055 E. Tufts Avenue Parkway Denver, CO 80237

Meridan Oil Land Department P. 0. Box 4289 Farmington, NM 87499

Arapahoe Drilling Company Larry H. Williams 200 Lomas, NW - Suite 440 P. 0. Box 26687 Albuquerque, NM 87102

Lt. Col. Langdon Dewey Harrison, Trustee for Mrs. Omega E. Quinn 7517 Tamarron Place, N.E. Albuquerque, NM 87109

Texaco, Inc. Mgr., Petroleum Engineering P. 0. Box 2100 Denver, CO 80201

0043t

NORTHWEST PIPELINE CORPORATION ONE OF THE WILLIAMS COMPANIES MAV'

L A N D D E P A R T M E N T P O BOX 8900 SALT LAKE CITY. UTAH 84108-0900

1 1 0 - 8 6 801-584-6669 801-584-7215

February 3, 1986



State of New Mexico 011 Conservation Division Attn: Mr. Richard L. Stamets Post Office Box 2088 Santa Fe, NM 87501

Re: San Juan 30-5 Unit #14-08-001-346 Rio Arriba County, New Mexico NOTICE OF COMPLETION OF ADDITIONAL WELLS DAKOTA FORMATION

Gentlemen:

The Notice of Completion of Additional Wells, which was filed November 22, 1985 for the San Juan 30-5 #75, #76 and #78 wells have been approved by the Bureau of Land Management on 12/26/85.

Copies of this letter are being sent to the Working Interest Owners shown on the attached sheet.

295 CHIPETA WAY SALT LAKE CITY, UTAH 84108

February 3, 1986 Page - 2 -

Slrtcerely,


Oarrell L. Glllen Land Coordinator

DLG:js

Attachments

cc: Working Interest Owners K. J. Stracke W. 0. Curtis K. Nielsen




Merldan Oil Land Department P. 0. Box 4289 Farmington, NM 87499


Lt. Col. Langdon Dewey Harrison, Trustee for Mrs. Omega E. Quinn 7517 Tamarron Place, N.E. Albuquerque, NM 87109


0043t

State of New Mexico

JIM BACA COMMISSIONER

Commissioner cf luUic Lands P.O. BOX 11*8 SANTA EE. NEW MEXICO 87504-1148 Express Mail Oelivery Uset January 8, 1986 310 Old Santa F« Trail

Northwest P i p e l i n e C o r p o r a t i o n P. 0. Box 8900 Sa l t Lake C i t y , Utah 84108-0900

Santa Fe, New Mexico 87501

Re: San Juan 30-5 Unit # 14-08-001-436 Notice of Completion of Non-Commercial Well Dakota Formation

ATTENTION: Mr. D a r r e l l L. G i l l e n

Gentlemen:

This o f f i c e i s i n receipt of your Notice of Completion of Non-Commercial Wells for the San Juan 30-5 Unit Area. Such notice advises that the Unit Well Nos. 85 and 91 are not capable of producing unitized substances i n paying quantities from the Dakota Formation.

The Commissioner of Public Lands concurs with your determination and has t h i s date approved your app l i c a t i o n .

Enclosed i s an approved copy f o r your f i l e s .

Very t r u l y yours,

JIM BACA COMMISSI

RAY D.( GRAHAM, Director O i l and Gas Division AC 505/827-5744

JB/RDG/pm encls. cc: OCD-Santa Fe, New Mexico

BLM-Albuquerque, New Mexico Attn: Fluids Branch BLM-Roswell, New Mexico Attn: Mr. Armando Lopez

NORTHWEST PIPEUNE CORPORATION m^Mf ONE OF THE WILLIAMS COMPANIES M M '

LAND DEPARTMENT 3 5 3 - 8 5

December 4, 1985


State of New Mexico Commissioner of Public Lands Attn: Mr. Ray D. Graham P. 0. Box 1148 Santa Fe, NM 87501

-State of New Mexico 011 Conservation Division Attn: Richard L. Stamets P. 0. Box 2088 Santa Fe, NM 87501

Re: San Juan 30-5 Unit #14-08-001-346 R1o Arriba County, New Mexico Application for Approval for Extension of Time to Drill Intervening Drilling Block Wells

Gentlemen:

Northwest Pipeline Corporation, as Unit Operator, completed the 1985 Drilling Program as filed. The drilling of well #61 MV, T30N, R5W, Sec. 15: E/2 created one (1) Intervening drilling block; Sec. 14: W/2.

Because of the decline 1n the gas market, wells are not being connected as they are completed but are connected when 1t 1s cost effective and when there 1s a market for the gas.

Therefore, Northwest requests that an extension of time be given to drill the Intervening drilling block well. We ask that the extension of time given be that time which would be prudent and cost effective; determined from an evaluation of the gas market, Instead of one year from the effective date of the expansion of the participating area.

PO BOX 8900 SALT LAKE CITY. UTAH 84108-0900

801-584-6669 801-584-7215


Assistant Area 011 and Gas Supervisor Commissioner of Public Lands Oil Conservation Commission San Juan 30-5 Unit December 4, 1985 Page -2-

Coples of this letter are being sent to the Working Interest Owners shown the attached sheet.

Sincerely,


Darrell L. Glllen Land Coordinator

DLG::js

cc: K. J. Stracke W. 0. Curtis P. C. Thompson

Assistant Area Oil and Gas Supervisor Commissioner of Public Lands Oil Conservation Commission San Juan 30-5 Unit December 4, 1985 Page -3-

APPROVED: Date Assistant Area Oil and Gas Supervisor Minerals Management Service Subject to like approval by the Commissioner of Public Lands and the 011 Conservation Commission

APPROVE0: Date Commissioner of Public Lands Subject to like approval by the Minerals Management Service and the 011 Conservation Commission

APPROVED: Date Oil Conservation Commission Subject to like approval by the Minerals Management Service and the Commissioner of Public Lands




Merldan 011 Land Department P. 0. Box 4289 Farmington, NM 87499


Lt. Col. Langdon Dewey Harrison, Trustee for Mrs. Omega E. Qulnn 7517 Tamarron Place, N.E. Albuquerque, NM 87109


0043t

NORTHWEST PIPEUNE CORPORATION ̂ MMj ONE OF THE WILLIAMS COMPANIES AWAW'

P O BOX 8900 L A N D D E P A R T M E N T 8 6 5 - 8 5 SALT LAKE CITY, UTAH 84108 0900

801-584-6669 801-584-7215

November 22, 1985 / 7

Assistant Area Oil and Gas Supervisor Bureau of Land Management Western National Bank Building 505 Marquette NW, Suite 815 Albuquerque, NM 87102

State of New Mexico Commissioner of Public Lands Attn: Mr. Ray D. Graham P. 0. Box 1148 Santa Fe, NM 87501

State of New Mexico 011 Conservation Commission Attn: Mr. Richard L. Stamets P. 0. Box 2088 Santa Fe, NM 87501

Re: San Juan 30-5 Unit #14-08-001-346 R1o Arriba County, New Mexico NOTICE OF COMPLETION OF ADDITIONAL WELL Dakota Formation

Gentlemen:

Pursuant to the provisions of Section 11(a) of the San Juan 30-5 Unit Agreement, Northwest Pipeline, as Unit Operator, has determined that the following described wells are capable of producing unitized substances 1n paying quantities from the Dakota Formation.

The well data 1s as follows:

The San Juan 30-5 Unit #75 well 1s located 1620 feet from the South Une and 1100 feet from the West Une of Section 21, Township 30 North, Range 5 West, N.M.P.M., R1o Arriba County, New Mexico. This well was spudded on October 14, 1983. The Dakota formation was completed on November 10, 1983, having a plug back depth of 7980'. I t was perforated with a total of 26 holes at the following depths:

-0


Bureau of Land Management Commissioner of Public Lands Oil Conservation Commission November 22, 1985 Page -2-

7868', 7869', 7870', 7871', 7872', 7873', 7874', 7875', 7876', 7877', 7878', 7879', 7880', 789V, 7892', 7893', 7894', 7895', 7896', 7897', 7898', 7899', 7900', 7901', 7914' and 7915'.

These perforations were treated and the formation was sand water fractured using 2504 bbls of treated fluid followed by 60,000 pounds of 40/60 sand and 10,000 pounds of 20/40 sand. On December 7, 1983 the Dakota formation was tested for three hours using a positive choke. During this test the well produced 623 Mcf of gas with a light mist. The flowing tubing pressure was 309 psig. The SITP and the SICP were both 2680 psig. The calculated AOF was 4612 Mcfd.

The San Juan 30-5 Unit #76 well 1s located 860 feet from the South Une and 890 feet from the East line, Section 15, Township 30 North, Range 5 West, N.M.P.M., R1o Arriba County, New Mexico. This well was spudded on January 27, 1983. The Dakota formation was completed on May 13, 1983. The Dakota formation was perforated with 29 holes at the following depths:

7792', 7793', 7794', 7795', 7796', 7797', 7798', 7799', 7800', 7801*, 7802', 7803', 7804', 7805', 7806', 7807', 7808', 7809', 7810', 7811', 7812', 7837', 7838', 7839', 7840', 784V, 7842', 7843', 7844'.

These perforations were treated with 139,784 gallons pad water followed by 59,725 pounds of 40/60 sand. The well was tested on May 31, 1983 using a positive choke in a three hour test. The well was tested at a 2638 MCFD flow rate with a calculated AOF of 2791 MCFD. The ISIP was measured at 2852 psig.

The San Juan 30-5 Unit #78 well is located 1700 feet from the South Une and 1010 feet from the West line, Section 7, Township 30 North, Range 5 West, N.M.P.M., Rio Arriba County, New Mexico. This well was spudded on February 10, 1983. The Dakota formation was completed on April 10, 1983. The Dakota formation was perforated with 21 holes at the following depths:

7580', 758V, 7582', 7383', 7584', 7585', 7586'. 7587', 7588', 7589', 7590', 759V, 7592', 7593', 7594', 7595*. 7596', 7597', 7598', 7599', 7600'.

These perforations were treated with 120,120 gallons pad water followed by 50,000 pounds of 40/60 sand and 10,000 pounds of 20/40 sand. The well was tested on April 28, 1983 using a positive choke 1n a three hour test. A flow rate of 2084 MCFD was measured with a calculated AOF of 2172 MCFD. The ISIP was measured at 2641 psig.

Bureau of Land Management Commissioner of Public Lands 011 Conservation Commission November 22, 1985 Page -3-

S1nce these wells were drilled within the existing Dakota Participating Area, the Participating Area is not enlarged by virtue of these commercial wells and the percentages of participation remain the same.

If these determinations meet with your approval, please so indicate such approval 1n the space provided and return an approved copy for our files. Copies of this letter are being sent to the Working Interest Owners shown on the attached sheet.

Sincerely,


Darrell L. GUlen Land Coordinator

DLG:js cc: Working Interest Owners

K. J. Stracke W. 0. Curtis D. Betenson C. N. Potter

APPROVED DATE Area Oil and Gas Supervisor Bureau of Land Management Subject to like approval by the Commissioner of Public Lands and the Oil Conservation Commission

APPROVED DATE Commissioner of Public Lands Subject to like approval by the Area 011 and Gas Supervisor and the OTH Conservation Commission

A '

APPROVED 011 Conservation Commission Subject to/like approval by the Area 01l'"and Gas Supervisor and the Commissioner of Public Lands

DATE

Bureau of Land Management Commissioner of Public Lands 011 Conservation Commission November 22, 1985 Page -4-

The foregoing 1s for the approval of Notice of Completion of Additional Wells 30-5 Unit Well Nos. 75, 76 and 78 Dakota.

SAN JUAN 30-5 (DK) WORKING INTEREST OWNERS

Amoco Production Company Attention: J. C. Burnslde 1670 Broadway - Suite 1914 Amoco Building Denver, CO 80202

Phillips Petroleum Company Attention: T. C. Doughty 8055 E. Tufts Avenue Parkway Denver, CO 80237

Meridian 011 Production, Inc. Land Department P. 0. Box 4289 Farmington, NM 87499-4289

Texaco Inc. Attn: Mr. John A. Ramsey Division Attorney P. 0. Box 2100 Denver, CO 80201

Larry H. Williams Arapahoe Drilling Company 200 Lomas, NW - Suite 440 Albuquerque, NM 87102

Lt. Col. Langdon Dewey Harrison Trustee for Mrs. Omega E. Qulnn 7517 Tamarron Place, N.E. Albuquerque, NM 87109

0043

50 YEARS

TONEY ANAYA G O V E R N O B

STATE OF N E W M E X I C O

E N E R G Y AND M I N E R A L S D E P A R T M E N T O I L C O N S E R V A T I O N D I V I S I O N

September 10, 1985

Northwest P i p e l i n e Corporation P. 0. Box 8900 S a l t Lake C i t y , Utah 87108-0900

A t t e n t i o n :

Re:

1935 - 1985

POST OFFICE BOX 2088 STATE L A N D OFFICE BUILDING S A N T A FE. N E W M E X I C O 87501

(505) 827-5800

D a r r e l l L. G i l l e n

San^Juan 30-5JJfe-t #14-08-001-436 Ri<^^ema^L^A<^rfSntY f New Mexico NOTICE OF COMPLETION OF NON-COMMERCIAL WELLS DAKOTA FORMATION

Gentlemen:

The above-referenced s u b m i t t a l has been approved by the New Mexico O i l Conservation D i v i s i o n e f f e c t i v e t h i s date. Such approval i s contingent upon l i k e approval by the New Mexico Commissioner of P u b l i c Lands and the Bureau o f Land Management.

ROY E. HDHNSON, Senior "Petroleum Geologist

REJ/dr

cc: Commissioner of Pub l i c Lands - Santa Fe Bureau of Land Management - Albuquerque OCD D i s t r i c t O f f i c e - Aztec

NORTHWEST PIPEUNE CORPORATION m*El ONE OF THE WILLIAMS COMPANIES ATM'

L A N D D E P A R T M E N T c m OC P.O. BOX 8900 ^ . . u u C r » n i » i c i , i b y / - 0 D SALT LAKE CITY, UTAH 84108-0900

801-584-6669 801-584-7215

August 26, 1985

Assistant District Manager, Minerals Bureau of Land Management Western National Bank Building 505 Marquette NW, Suite 815 Albuquerque, NM 87102 ' l~


State of New Mexico Oil Conservation Division Attn: Mr. Richard L. Stamets Post Office Box 2088 Santa Fe, NM 87501

Re: San Juan 30-5 Unit #14-08-001-436 R1o Arriba County, New Mexico NOTICE OF COMPLETION OF NON-COMMERCIAL WELLS DAKOTA FORMATION

Gentlemen:

Pursuant to the provisions of Section 11(b) of the San Juan 30-5 Unit Agreement, Northwest Pipeline Corporation, as Unit Operator, has determined that the following described wells are not capable of producing unitized substances 1n paying quantities from the Dakota Formation.

The San Juan 30-5 Unit #85 well 1s located 790 feet from the South Une and 850 feet from the West Une of section 36, Township 30 North, Range 5 West, N.M.P.M., Rio Arriba County, New Mexico. This well was spudded on August 12, 1983. The Dakota Formation was completed on September 4, 1983 with a plug back depth of 8828'. It was perforated with a total of 24 holes at the following depths:

8752', 8753', 8754', 8755', 8756', 8757', 8758', 8759', 8760', 8761', 8762', 8788', 8789', 8790', 879V , 8792', 8793', 8794', 8795', 8796', 8797', 8798', 8799', 8800'


Assistant District Manager Commissioner of Public Lands Oil Conservation Division August 26, 1985 Page -2-

These perforations were treated and the formation was sand water fractured using 3114 bbls of treated fluid followed by 50,000 pounds of 40/60 sand and 10,000 pounds of 20/40 sand. On September 29, 1983 the Dakota Formation was tested using a positive choke. During this three hour test the rate of flow was 982 Mcfd with a relatively heavy mist of water. The flowing tubing pressure was 66 psig. The SITP was 2260 psig and the SICP was 2272 psig. The calculated AOF was 1022 Mcfd.

The San Juan 30-5 Unit #91 well 1s located 1950 feet from the South Une and 835 feet from the West Une of section 25, Township 30 North, RAnge 5 West, N.M.P.M., R1o Arriba County, New Mexico. This well was spudded on September 13, 1983. The Dakota Formation was completed on October 1, 1983 and perforated with 23 holes at the following depths:

7943', 7944', 7945', 7946', 7947', 7948', 7949 \ 7950', 7951', 7952', 7953', 7954', 7955', 7956*. 7980', 798V, 7982', 7983', 7984', 7985', 7986*, 7987', 7988'

These perforations were treated and the formation was sand water fractured using 3218 bbls of treated fluid followed by 60,000 pounds of 40/60 sand and 10,000 pounds of 20/40 sand. On October 27, 1983 the Dakota Formation was tested using a positive choke. During this three hour test the rate of flow was 1136 Mcfd with a light mist of water. Both the SITP and the SICP were 2660 psig. The flowing tubing pressure was 79 psig. The calculated AOF for the Dakota Formation was 1155 Mcfd.

If these determinations meet with your approval, please so Indicate such approval in the space provided and return an approved copy for our files. Copies of this letter are being sent to the working Interest owners shown on the attached sheet.

Sincerely,


Darrell L. GUlen Land Coordinator

DLG:js

Attachment

cc: Working Interest Owners K. J. Stracke W. 0. Curtis

Assistant District Manager Commissioner of Public Lands 011 Conservation Commission August 26, 1985 Page -3-

APPROVEO DATE Assistant District Manager, Minerals Bureau of Land Management Subject to like approval by the Commissioner of Public Lands and the 011 Conservation Division

APPROVED DATE Commissioner of Public Lands Subject to like approval by the Area Oil and Gas Supervisor and the 011 Conservation Division

Subject t^/jlke approval by the Area Oil and Gas Supervisor and the Commissioner of Public Lands




Merldan 011 Land Department P. 0. Box 4289 Farmington, NM 87499


Lt. Col. Langdon Dewey Harrison, Trustee for Mrs. Omega E. Qulnn 7517 Tamarron Place, N.E. Albuquerque, NM 87109


0043t

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50 YEARS

TONEY ANAYA G O V E R N O R

S T A T E O F N E W M E X I C O

i N E R G Y AND M I N E R A L S D E P A R T M E N T O I L C O N S E R V A T I O N D I V I S I O N

May 6, 1985

1935 - 1985

P O S T O F F I C E B O X 2088

S T A T E L A N D O F F I C E B U I L D I N G

S A N T A F E . N E W M E X I C O 87501

v505) 827-5800

Northwest P i p e l i n e Corporation P.O. Box 1526

S a l t Lake C i t y , Utah 84110-1526

A t t e n t i o n : D a r r e l l L. G i l l a n

Re: San Juan 30-5 U n i t #14-08-001-436 San Juan and Rio A r r i b a Counties, New Mexico

APPLICATION OF APPROVAL OF THE SEVENTH EXPANDED PARTICIPATING AREA - Dakota Formation - E f f e c t i v e September 1, 1981

APPLICATION FOR APPROVAL OF THE EIGHTH EXPANDED PARTICIPATING AREA - Dakota Formation - E f f e c t i v e October 1, 1981

Dear Mr. G i l l a n :

The above referenced s u b m i t t a l has been approved by the New Mexico O i l Conservation D i v i s i o n e f f e c t i v e t h i s date. Such approval i s co n t i n g e n t upon l i k e approval by the New Mexico Commissioner o f Pub l i c Lands and the Bureau o f Land Management.

S i n c e r e l y ,

ROY E. JOHNSON Senior Petroleum Geologist

REJ/dp

cc: Commissioner of Pu b l i c Lands - Santa Fe Bureau o f Land Management - Albuquerque OCD D i s t r i c t O f f i c e - Aztec

NORTHWEST PIPEUNE CORPORATION-*MJ ONE OF THE WILLIAMS COMPANIES AwAw'

» - • • . - . , . P 0 BOX 1526 L A N D D E P A R T M E N T < ... 1 J 'J, > . \ ' • • ". > P SALT LAKE CITY UTAH 841 10-1526

" ' i '• 801-584-7215

April 18, 1985 ^ 135-85

Assistant Area 011 and 6as Supervisor Bureau of Land Management Western National Bank Building 505 Marquette NW, Suite 815 Albuquerque, New Mexico 87102

State of New Mexico Commissioner of Public Lands Attention: Mr. Ray 0. Graham P. 0., Box 1148 Santa Fe, New Mexico 87501

State of New Mexico 011 Conservation Commission Attention: Mr. Richard L. Stamets P. 0. Box 2088 Santa Fe, New Mexico 87501

Re: San Juan 30-5 Unit #14-08-001-436 San Juan & R1o Arriba Counties, New Mexico

APPLICATION FOR APPROVAL OF THE SEVENTH EXPANDED PARTICIPATING AREA Dakota Formation Effective September 1, 1981

APPLICATION FOR APPROVAL OF THE EIGHTH EXPANDED PARTICIPATING AREA Dakota Formation Effective October 1, 1981

Gentlemen:

Pursuant to the provisions of Section 11(b) of the San Juan 30-5 Unit Agreement #14-08-001-436, approved November 7, 1952, NORTHWEST PIPELINE CORPORATION, as Unit Operator, hereby respectfully requests approval of the Seventh and Eighth Expanded Participating Areas for the Dakota Formation.

295 CHIPETA WAY SALT LAKE CITY. UTAH 84108

Minerals Management Service Commissioner of Public Lands 011 Conservation Commission April 18, 1985 Page 2

These proposed Revisions of the Participating Area for the Dakota Formation are predicated-upon the determination by Northwest Pipeline Corporation, as Unit Operator, that the following San Juan 30-5 Unit Dakota Wells, which were completed outside the limits of the existing Dakota Participating Area, are capable of producing unitized substances 1n paying quantities from the Dakota Formation.

SEVENTH EXPANDED PARTICIPATING AREA - Effective September 1. 1981

Description of Lands No. of Acres

Township 30 North, Ranqe 5 West. N.M.P.M. 640.00 Section 5: All


The San Juan 30-5 Unit #79 well 1s located 1000 feet from the north line and 1720 feet from the east line, Section 5, Township 30 North, Range 5 West, N.M.P.M., R1o Arriba County, New Mexico. This well was spudded on April 20, 1981 and completed on September 3, 1981. The Dakota Formation was perforated with 19 holes between the following depths:

7932' and 8028'

These perforations were treated with 1500 gal HCI and fractured with 70,000 lbs. of 40/60 sand, 10,000 lbs. of 20/40 sand, and 20,000 gallons of pad water. This well has one tubing string. The well was shut-1n with a SIPT of 2492 psig and SIPC of 2473 psig. On September 3, 1981 the well was tested, and after flowing for three hours through a 3/4 Inch variable choke on the 2 3/8 Inch tubing, the well gauged 2366 Mcf/D with a calculated AOF of 2549 Mcf/D.

EIGHTH EXPANDED PARTICIPATING AREA - Effective October 1. 1981

Description of Lands No. of Acres

Township 30 North. Range 5 West. N.M.P.M. 640.00 Section 22: E/2 Section 23: W/2


The San Juan 30-5 Unit #83 well 1s located 1480 feet from the south line and 950 feet from the west line, Section 23, Township 30 North, Range 5 West, N.M.P.M., R1o Arriba County, New Mexico. This well was spudded on May 6, 1981 and completed on October 13, 1981. The Dakota Formation was perforated with 12 holes between the following depths:


8092' and 8184'

These perforations were treated with 20,000 gallons of pad water and fractured with 22,600 lbs. of 40/60 sand. This well has one tubing string. The well was shut-in with a SIPT of 2720 psig and SIPC of 2731 psig. On October 13, 1981 the well was tested, and after flowing for three hours through a 3/4 Inch variable choke on the 2 3/8 Inch tubing, the well gauged 3407 Mcf/D with a calculated AOF of 3804 Mcf/D.

In support of these applications, the following listed Exhibits are made a part thereof:

Exhibit "A"

Ownership maps reflecting the boundaries of the Unit and the Proposed Seventh and Eighth Expansions of the Participating Area of the Dakota Formation within the San Juan 30-5 Unit.

Exhibit "B"

Geological Reports on the Seventh and Eighth Expansions of the Participating Area of the Dakota Formation within the San Juan 30-5 Unit.

Exhibit "C"

Figure No. 1: San Juan 30-5 Dakota Structure Map Figure No. 2: San Juan 30-5 Dakota Isopach Map

Exhibit "D"

Table No. I : Schedule of San Juan 30-5 Unit Dakota Production

Attached are Schedules VII and VIII showing the Proposed Seventh and Eighth Expanded Participating Areas for the Dakota Formation 1n the San Juan 30-5 Unit Area. These Schedules describe the Participating Area, show the percentage of unitized substances allocated to each unitized tract, and the percentage of ownership in the tracts.

If the Seventh and Eighth Expanded Participating Areas of the Dakota Formation meet with your approval, please indicate such approval In the space provided on the attached sheet and return an approved copy for our fi l e s .


Copies of this letter and Schedules are being sent to the Working Interest Owners as shown on the attached sheet.

Very truly yours,

Oarrell L. Gillan Land Coordinator

DLG.js

Attachments

cc: Working Interest Owners

Minerals Management Service Commissioner of Public Lands Oil Conservation Commission April 18, 1985 Page 5

APPROVED DATE Assistant Area Oil and Gas Supervisor Subject to like approval by the Commissioner of Public Lands and the Oil Conservation Commission

APPROVED DATE. Commissioner of Public Lands Subject to like approval by the Assistant Area Oil and Gas Supervisor and̂ t̂ T̂TTr̂ £onservation Commission

APPROVED \ ,/) ̂ ) C iffflu^^- DATE & - t Oil CGnse^vatiefp Commission Subject to li^e approval by the Assistant Area Oil and Gas Supervisor and the Commissioner of Public Lands

The foregoing are approvals for the SEVENTH AND EIGHTH EXPANDED PARTICIPATING AREAS in the Dakota Formation in the San Juan 30-5 Unit.

Northwest Pipeline Corporation UNIT AREA EXPANSION SCHEDULE

Page 1 of 5

SCHEDULE VII SEVENTH EXPANDED PARTICIPATING AREA FOR THE DAKOTA FORMATION

SAN JUAN 30-5 UNIT AREA

SERIAL NUMBER DESCRIPTION NUMBER

OF ACRES DRILLING BLOCK OWNERSHIP PERCENTAGE

PERCENTAGE COMMITTED

PRESENT ACTUAL PARTICIPATION

TRACT 4

SF-078739 T-30-N. R-5-W Sec. 21: E/2, SW/4

800.00 Royalty Working Interest Phillips Petroleum Co. ORRI Total

12.500000% 12.500000%

84.500000% 3.000000%

84.500000% 3.000000%

100.000000% 100.000000%

11.363636%

SF-078739 T-30-N, R-5-W Sec. 22: W/2

Royalty Working Interest Phillips Petroleom Co. ORRI

Total

12.500000% 12.500000%

85.000000% 2.500000%

85.000000% 2.500000%

100.000000% 100.000000%

TRACT 5

SF-078740 T-30-N. R-5-W 320.00 Sec. 20: E/2

Royalty Working Interest Phillips Petroleum Co. ORRI Total

12.500000% 12.500000%

82.500000% 82.500000% 5.000000% 5.000000%

100.000000% 100.000000%

4.545455%

TRACT 6

SF-078994 T-30-N, R-5-W 760.00 Sec. 15: SW/4, SW/4NW/4 Sec. 17: SW/4, S/2NW/4 Sec. 18: E/2


12.500000% 12.500000%

82.500000% 82.500000% 5.000000% 5.000000%

10.795455%

100.000000% 100.000000%

Effective September 1, 1981


Page 2 of 5


SAN OUAN 30-5 UNIT AREA





TRACT 7

SF-078997 T-30-N. R-5-W 2,560.00 Royalty 12.500000% 12.500000% 36.363636% Sec. 6: S/2SE/4, SE/4SW/4 Sec. 7: N/2, NW/4SW/4, N/2 SE/4, SE/4SE/4 Sec. 8: NW/4, N/2SW/4 Sec. 9: All Sec. 10: All Sec. 15: E/2, E/2 NW/4, NW/4NW/4

Working Interest Phillips Petroleum Co. ORRI Total

82.500000% 5.000000%

100.000000%

82.500000% 5.000000%

100.000000%

TRACT 11

SF-080066 T-30-N, R-5-W Sec. 5: All Sec. 6: N/2S/2, SW/4SW/4


12.500000% 12.500000%

82.500000% 82.500000% 5.000000% 5.000000%

100.000000% 100.000000%

11.931818%

TRACT 17

State of T-30-N, R-5-W 160.00 Royalty NM Sec. 16: NE/4 Working Interest 347-41 Amoco Production Co.

ORRI Total

12.500000% 12.500000%

87.500000% 87.500000% 00.000000% 00.000000% 100.000000% 100.000000%

2.272727%

TRACT 17-A

State of T-30-N, R-5-W NM 347-40 Sec. 16: N/2

NW/4

80.00 Royalty Working Interest Getty Oil Co. ORRI Total

12.500000% 12.500000%

82.750000% 82.750000% 4.750000% 4.750000%

100.000000% 100.000000%

1.136364

Ef fec t i ve September 1, 1981


Page 3 of 5



NUMBER DRILLING BLOCK PERCENTAGE PRESENT ACTUAL SERIAL NUMBER DESCRIPTION OF ACRES OWNERSHIP PERCENTAGE COMMITTED PARTICIPATION

TRACT 17-D

State of NM 347-41

T-30-N, R-5-W Sec. 16: S/2 NW/4

80.00 Royalty Working Interest Amoco Production Co. ORRI Total

12.500000% 12.500000%

82.500000% 82.500000% 5.000000% 5 000000%

100.000000% 100.000000%

1.136364%

TRACT 17-F

State of NM T-30-N, R-5-W 320.00 Royalty 347-39 Sec. 16: S/2 Working Interest

Phillips Petroleum Co. ORRI Total

12.500000% 12.500000%

82.500000% 00.000000% 100.000000%

82.500000% 00.000000% 100.000000%

4.545455%

Fee TRACT 18

T-30-N. R-5-W 320.00 Roya1ty Sec. 8: E/2 Working Interest

Amoco Production Co. ORRI Total

12.500000% 12.500000%

87.500000% 00.000000% 100.000000%

87.500000% 00.000000% 100.000000%

4.545455%

Fee T-30-N. R-5-W 160.00 Sec. 7: S/2 SW/4, NE/4SW/4 SW/4SE/4

TRACT 19 Royalty Working Interest Amoco Production Co. ORRI Total

12.500000% 12.500000%

87.500000% 00.000000% 100.000000%

87.500000% 00.000000% 100.000000%

2.272727%

TRACT 20

Fee T-30-N, R-5-W 160.00 Sec. 17: NE/4

Royalty Working Interest Amoco Production Co. ORRI Total

12.500000% 12.500000%

87.500000% 00.000000%

87.500000% 00.000000%

100.000000% 100.000000%

2.272727%

Ef fec t i ve September 1, 1981


Page 4 of 5




TRACT 21

Fee T-31-N, R-6-W Sec. 17: SE/4


12.500000% 12.500000%

87.500000% 00.000000%

87.500000% 00.000000%

100.000000% 100.000000%

2.272727%

TRACT 22

Fee T-30-N, R-5-W Sec. 21: NW/4


12.500000% 12.500000%

87.500000% 00.000000% 100.000000%

87.500000% 00.000000% 100.000000%

2.272727%

TRACT 25

Fee T-30-N, R-5-W Sec. 8: S/2SW/4 Sec. 17: N/2NW/4 (less 4 acres NW/4NW/4)

156.00 Royalty working Interest Amoco Production Co. Phillips Petroleum Co. ORRI Total

12.500000% 12.500000%

43.750000% 43.750000% 00.000000%

43.750000% 43.750000% 00.000000%

100.000000% 100.000000%

2.215909%

Fee T-30-N, R-5-W Sec. 17: a tract of land 1200' long by 450' wide (4 acres, more or less, in NW/4)

TRACT 25-A 4.00 Royalty

Working Interest Amoco Production Co. Phillips Petroleum Co. ORRI Total

12.500000% 12.500000%

43.750000% 43.750000% 00.000000%

43.750000% 43.750000% 00.000000%

100.000000% 100.000000%

0.056818%



Page 5 of 5



R E C A P I T U L A T I O N

Township 30 North. Ranqe 5 West, N.M.P.M. Section 6: S/2 Sections 5, 7, 8, 9, 10, 15, 16, 17, 21: All Section 18, 20: E/2 Section 22: W/2

Total Number of Acres in Participating Area: 7,040.00 Total Number of Acres Committed in Participating Area: 7,040.00



Page 1 of 6

SCHEDULE VIII EIGHTH EXPANDED PARTICIPATING AREA FOR THE DAKOTA FORMATION


NUMBER SERIAL NUMBER DESCRIPTION OF ACRES

DRILLING BLOCK OWNERSHIP

TRACT 3

PERCENTAGE PERCENTAGE COMMITTED


SF-078738 T-30-N, R-5-W Sec. 23: W/2 320.00 Royalty


12.5000001 12.500000%

82.500000% 5.000000%

100.000000%

82.500000% 5.000000%

100.000000%

4.166667%

TRACT 4

SF-078739 T-30-N, R-5-W Sec. 21: E/2, SW/4


12.500000% 12.500000%

84.500000% 3.000000%

100.000000%

84.500000% 3.000000%

100.000000%

14.583333%

SF-078739 T-30-N, R-5-W Sec. 22: All


TRACT 5

12.500000% 12.500000%

85.000000% 2.500000%

85.000000% 2.500000%

100.000000% 100.000000%

SF-078740 T-30-N, R-5-W 320.00 Royalty Sec. 20: E/2 Working Interest

Phillips Petroleum Co. ORRI Total

12.500000% 12.500000%

82.500000% 5.000000%

82.500000% 5.000000%

100.000000% 100.000000%

4.166667%

TRACT 6

SF-078994 T-30-N, R-5-W Sec. 15: SW/4NW/4 Sec. 17: S/2NW/4 Sec. 18:

SW/4,

SW/4

E/2


12.500000% 12.500000%

82.500000% 5.000000%

82.500000% 5.000000%

100.000000% 100.000000%

9.895833%

Effective October 1, 1981


Page 2 of 6







TRACT 7

SF-078997 T-30-N. R-5-W 2,560.00 Royalty Sec. 6: S/2SE/4, SE/4SW/4 Sec. 7: N/2, NW/4SW/4, N/2 SE/4, SE/4SE/4 Sec. 8: NW/4, N/2W/4 Sec. 9: All Sec. 10: All Sec. 15: E/2, E/2 NW/4, NW/4NW/4


12.500000% 12.500000%

82.500000% 5.000000%

82.500000% 5.000000%

100.000000% 100.000000%

33.333333%

TRACT 11

SF-080066 T-30-N, R-5-W Sec. 5: All Sec. 6: N/2S/2, SW/4SW/4


12.500000% 12.500000%

82.500000% 5.000000%

100.000000%

82.500000% 5.000000%

100.000000%

10.937500%

TRACT 17

State of NM 347-41

T-30-N, R-5-W Sec. 16: NE/4


TRACT 17-A

12.500000% 12.500000%

87.500000% 00.000000%

87.500000% 00.000000%

100.000000% 100.000000%

2.083333%

State of NM 347-40

T-30-N, R-5-W Sec. NW/4

16: N/2 80.00 Royalty

Working Interest Getty Oil Co. ORRI Total

12.500000% 12.500000%

82.750000% 4.750000%

100.000000% 100.000000%

82 4 750000% 750000%

1.041667%

Ef fec t i ve October 1, 1981


Page 3 of 6







TRACT 17-0

State of NM 347-41

T-30-N, R-5-W Sec. NW/4

16: S/2 80.00 Royalty

Working Interest Amoco Production Co. ORRI Total

12.500000% 12.500000%

82.500000% 5.000000%

82.500000% 5.000000%

100.000000% 100.000000%

1.041667%

TRACT 17-F

State of T-30-N, R-5-W 320.00 Royalty NM Sec. 16: S/2 Working Interest 347-39 Phillips Petroleum Co.

ORRI Total

12.500000% 12.500000%

82.500000% 82 500000% 5.000000% 5.000000%

100.000000% 100.000000%

4.166667%

TRACT 18

Fee T-30-N, R-5-W 320.00 Royalty Sec. 8: E/2 Working Interest


12.500000% 12.500000%

87.500000% 00.000000%

87.500000% 00.000000%

100.000000% 100.000000%

4.166667%



Page 4 of 6




TRACT 19

Fee T-30-N, R-5-W 160.00 Sec. 7: S/2 SW/4, NE/4SW/4 SW/4SE/4

Royalty Working Interest Amoco Production Co. ORRI Total

12.500000% 12.500000%

87.500000% 00.000000%

87.500000% 00.000000%

100.000000% 100.000000%

2.083333%

TRACT 20

Fee T-30-N. R-5-W Sec. 17: NE/4


12.500000% 12.500000%

87.500000% 87.500000% 00.000000% 00.000000% 100.000000% 100.000000%

2.083333%

TRACT 21

Fee T-30-N. R-5-W 160.00 Royalty Sec. 17: SE/4 Working Interest


12.500000% 12.500000%

87.500000% 87.500000% 00.000000% 00.000000% 100.000000% 100.000000%

2.083333%

TRACT 22

Fee T-30-N, R-5-W Sec. 21: NW/4


12.500000% 12.500000%

87.500000% 00.000000%

87.500000% 00.000000%

100.000000% 100.000000%

2.083333%



Page 5 of 6







TRACT 25

Fee T-30-N, R-5-W Sec. 8: S/2SW/4 Sec. 17: N/2 NW/4 (less 4 acres out of NW/4NW/4)

156.00 Royalty Working Interest Amoco Production Co. Phillips Petroleum Co. ORRI Total

12.500000% 12.500000% 2.031250%

43.750000% 43.750000% 00.000000% 100.000000%

43.750000% 43.750000% 00.000000% 100.000000%

TRACT 25-A

Fee T-30-N, R-5-W Sec. 17: a tract of land 1200' long by 450' wide (4 acres, more or less, in NW/4)

4.00 Royalty Working Interest Amoco Production Co. Phillips Petroleum Co. ORRI Total

12.500000% 12.500000% 0.052084%

43.750000% 43.750000% 00.000000% 100.000000%

43.750000% 43.750000% 00.000000% 100.000000%



Page 6 of 6



R E C A P I T U L A T I O N

Township 30 North. Ranqe 5 West, N.M.P.M. Section 6: S/2 Sections 5, 7, 8, 9, 10, 15, 16, 17, 21, 22: All Sections 18, 20: E/2 Section 23: W/2

Total Number of Acres in Participating Area: 7,680.00 Total Number of Acres Committed in Participating Area: 7,680.00


SAN JUAN 30-5 (DK) WORKING INTEREST OWNERS

Amoco Production Company Attention: J. C. Burnside 1670 Broadway - Suite 1914 Amoco Building Denver, CO 80202

Phillips Petroleum Company Attention: T. C. Doughty 8055 E. Tufts Avenue Parkway Denver, CO 80237

El Paso Exploration Company Attn: James R. Permenter P. O. Box 1492 El Paso, TX 79978

Texaco Inc. Attention: Mr. T. L. Ditmore, Mgr., Petroleum Engineering P. O. Box 2100 Denver, CO 80201

Larry H. Williams Arapahoe Drilling Company 200 Lomas, NW - Suite 440 Albuquerque, NM 87102

Lt . Col. Langdon Dewey Harrison Trustee for Mrs. Omega E. Quinn 7517 Tamarron Place, N.E. Albuquerque, NM 87109

0043

northwest pipeline corporation tue march 11, 1986...

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