horizontal wells in hungarian underground gas storage

HorizontalHorizontal Wells Wells ininHungarHungarianian UndergroundUnderground

GasGas StorageStorage

Tamás KőrösiSenior Leading Advisor

Hungarian Energy OfficeHUNGARY

6th Session of the Ad Hoc Group of Expertson the Supply and Use of Gas

Geneva, 20 January 2005

Primary energy consumption

Coal20%

Oil42%

Nuclear11%

Other6%

Naturalgas21%

Coal14%

Nuclear12%

Other3%

Naturalgas40%

Oil31%

IEA countries Hungary

Oil & Gas in Hungary 2003 (1)

• Drilled Lenght from 1908 (Meters) 1 572 960• Drilled Wells from 1908 8 466• Drilled Wells from 1935 8 271• Active Wells 1 155

- Oil Production 821- Gas Production 241- Water Injection/ Liquidation 74- Gas Injection 19

• Productive Fields 130- Oil Production 59- Gas Production 71

Oil & Gas in Hungary 2003 (2)

• Oil Production (Million Tons) 1 134• Gas Production (Billion Cubic Meters) 3• Condensate Production (Thousand Tons) 473• Underground Gas Storage Facilities 5• Underground Gas Storage Wells 174• Average Depth:- All Wells (Meters) 1 722

- Production Wells (Meters) 2 225• Price of Oil Production (USD/ bbl) less than 4 • Net Profit of Oil Production (USD/ bbl) 9,04

- Comparison: European Average 4,6World Average 4,63

Drilling Activity (1934-2003)

0

100

200

300

400

500

600

1934

1936

1938

1940

1942

1944

1946

1948

1950

1952

1954

1956

1958

1960

1962

1964

1966

1968

1970

1972

1974

1976

1978

1980

1982

1984

1986

1988

1990

1992

1994

1996

1998

2000

2002

Thou

sand

Met

ers

Domestic Drilling (1985-2003)

388 382,7 383

333,7

284,8

172,8

145,7

106,1

77,967,3 67,7 59,2

69,6

3,9

72,6

0,8

54,3

1,4

33

034,20,7

34,20

32,67,3

0

50

100

150

200

250

300

350

400

1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003

Concess ionna ireMOL Ltd

Thousand Meters

Active Domestic Rigs (1985-2003)

0

10

20

30

40

50

60

70

80

1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003Years

Rig

s

Drilling Rigs Workover Rigs Sum.Rigs

Domestic Hydrocarbon Productionin Oil Equivalent (1937- 2010)

0

1

2

3

4

5

6

7

8

9

10

1937 1941 1945 1949 1953 1957 1961 1965 1969 1973 1977 1981 1985 1989 1993 1997 2001 2005 2009Ye ars

Oil

Equ

ival

ent (

Mill

ion

Ton

/Yea

r Expected

Prepare of Horizontal Drilling

• Studies on possibility of horizontal drilling in Hungary (1988, 1991)

• Collect of presentations, case histories, articles and practices

• Participation in international conferences• Training at home and overseas• Getting acquainted with horizontal drilling service

companies• Composition of planner and directing teams

Planning & Directing Team of Horizontal Wells (1)

• Reservoire Considerations- Reservoire Geologist- Reservoire Engineer

• Production Method Determination- Production Engineer- Lifting-out Engineer

• Well Path Determination- Reservoire Geologist- Reservoire Engineer- Drilling Engineer

• Data and Information Acquisition Determination- Reservoire Geologist- Reservoire Engineer - Petrophysicist Engineer- Drilling Engineer

Planning & Directing Team of Horizontal Wells (2)

• Drilling, Well Construction and Well Completion Determination- Drilling Engineer- Well Completion Engineer- Mud Engineer- Lifting-out Engineer- Geologist

• At Rig Site- Drilling Engineer- Field Geologist- Horizontal Drilling Service Engineer

Window Milling

Section Milling

10

2 23

8 8

10

15

8

10

66 6

0

2

4

6

8

10

12

14

16

1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003

Number of Wells

Annual Horizontal Drilling Activityin Hungary (1990-2003)

Domestic Domestic UUndergroundnderground GGas as SStoragetorage

Deliverability: 2.0 MMCM/dNominal cap: 200 MMCMCushion gas: 310 MMCMInjection cap: 1.2 MMCM/d

Deliverability: 2.4 MMCM/dNominal cap: 160 MMCMCushion gas: 310 MMCMInjection cap: 1.2 MMCM/d

Total withdrawal capacity:Total nominal capacity:Total cushion gas:Total injection capacity:

Hajdúszoboszló

Kardoskút

Maros -1

Zsana

Pusztaederics

44.5 MMCM/d3,340 MMCM4,700 MMCM

26.4 MMCM/d

Daily withdrawal cap:Nominal cap:Cushion gas:Injection cap:

2.7 MMCM/d330 MMCM347 MMCM

2.2 MMCM/d Daily withdrawal cap:Nominal cap:Cushion gas:Injection cap:

18.0 MMCM/d1,300 MMCM1,660 MMCM

12.9 MMCM/d

Daily withdrawal cap:Nominal cap:Cushion gas:Injection cap:

2.2 MMCM/d150 MMCM250 MMCM

1.1 MMCM/d

Daily withdrawal cap:19.2 MMCM/dNominal cap: 1,400 MMCMCushion gas: 2,133 MMCMInjection cap: 9.8 MMCM/d

Daily withdrawal cap:19.2 MMCM/dNominal cap: 1,400 MMCMCushion gas: 2,133 MMCMInjection cap: 9 MMCM/d

The levels of storage capacity

44,230523360Total:

2,2120150MAROS – I.

18,09101300ZSANA

2,5329330PUSZTAEDERICS

2,3238180KARDOSKÚT

19,214551400HAJDÚSZOBOSZLÓ

Withdrawal Capacity

(million m3/day)

Injection Capacity(Million

m3/season)

Working Gas(Million m3)

UGSFacility

Gas Transmission and StorageThe infrastructure investments carried out over the past

15 years to develop natural gas system

Transmission 2004 Built in the past 15 years

Pipeline length km 5278 1494Gas delivery stations, meterig directions pieces 382 231Built in power of compressor stations MW 112,6 30 Underground Gas Storage 2004 Built in the

past 15 years Working (mobil) gas capacity MMcm 3360 2180Max. withdrawal capacity MMcm/d 44.2 30.9

55.650.344.2Max. withdrawal rate, MMcm/d

393035703360Mobil gas, MMcm

201220082004Planned increases of storage capacity

Schematic Geological Model forHorizontal UGS Well (ZsanaÉ-22)

Horizontal Drilling Activity incronological order (1)

Serial Year Well Function Layer Formation MD TVD VS/HS Radius Kick Off Drilling ContractorNumber (m) (m) (m/m) Service

1. 1990 Do-64 WI Prek Pz, met 3210 3063 188/ 88 M new well KV Rt. + BHI2. 1992 Do-7 OP Prek Pz, met 3057 2888 270/170 M window millg KV Rt. + SlimDrill3. 1992 Szk-145 OP Mioc M, limestone 2240 1916 404/224 M new well Rotary Rt.+ BHI4. 1993 Algyő-34 OP Ap-13/b Lp, sandst,marl 2745 2449 368/246 M continued drillg KV Rt. + BHI (Hall)5. 1993 Algyő-193 OP Ap-13/b Lp, sandst,marl 2905 2445 529/405 M continued drillg KV Rt. + SlimDrill6. 1994 Algyő-502 OP Ap-13/b Lp, sandst,marl 2856 2436 485/302 M continued drillg KV Rt. + SlimDrill7. 1994 Algyő-407 OP Ap-13/b Lp, sandst,marl 2834 2448 456/306 M continued drillg KV Rt. + Halliburton8. 1994 Algyő-194 OP Ap-13/b Lp, sandst,marl 2980 2445 614/453 M continued drillg KV Rt. + Halliburton9. 1995 Algyő-409 OP Ap-13/b Lp, sandst,marl 2780 2441 424/229 M continued drillg KV Rt. + Halliburton

10. 1995 Algyő-453 GP Ap-13/b Lp, sandst,marl 2800 2398 476/287 M continued drillg KV Rt. + Halliburton11. 1995 Algyő-244 OP Ap-13/b Lp, sandst,marl 2911 2443 594/306 M continued drillg KV Rt. + Halliburton12. 1995 Algyő-296 OP Ap-13/b Lp, sandst,marl 2831 2441 516/200 M continued drillg Rotary Rt. + Geoinform (SSDS)13. 1995 Algyő-247 OP Ap-13/b Lp, sandst,marl 2915 2441 530/411 M continued drillg Rotary Rt. + Geoinform (SSDS)14. 1995 Algyő-199 OP Ap-13/b Lp, sandst,marl 2910 2442 564/374 M continued drillg KV Rt. + Halliburton15. 1995 Algyő-245 OP Ap-13/b Lp, sandst,marl 2868 2439 522/310 M continued drillg Rotary Rt. + Geoinform (SSDS)16. 1995 Algyő-834 GP Ap-13/b Lp, sandst,marl 2896 2378 598/398 M window millg Rotary Rt. + Geoinform (SSDS)17. 1996 Zsana-É-22 GI/GP Mioc M, lith.limest 2086 1834 249/229 S window millg Rotary Rt. + Geoinform (SSDS)18. 1996 Algyő-861 OP CsS-2 Up, sandst,marl 2115 1763 420/222 M window millg Rotary Rt. + BecField19. 1996 Sas-19 OP Prek Pz, met 3075 2537 664/406 M window millg KV Rt. + Halliburton20. 1996 W Sabr-1 OP LOrd. LOrd, kvarcit 4063 3745 382/203 M window millg CTF + BecField21. 1996 Algyő-22 OP Algyő-2 Up, sandst,marl 2317 1953 435/272 M window millg Rotary Rt. + BecField22. 1996 Sz-48 OP? Halom-1 M, tuf, sst, kongl. 2470 2070 464/320 M window millg KV Rt. + Halliburton23. 1996 Algyő-589 GP Ap-13 Lp, sandst,marl 2900 2406 588/362 M window millg Rotary Rt. + BecField24. 1996 Bat-K-164 OP? D1 Lp, arg.marl 1272 982 355/181 M new well KV Rt. + Halliburton25. 1997 Algyő-678 GI/GP Maros-1 Up, sandstone 2261 1946 373/218 M window millg KV Rt. + BecField26. 1997 Algyő-488 OP Ap-13 Lp, sandst,marl 2932 2434 569/397 M window millg Rotary Rt. + BecField27. 1997 Algyő-350 OP Algyő-2/Ny-2 Up, sandstone 2612 1947 802/392 M section millg KV Rt. + BecField28. 1997 Algyő-178 OP Algyő-2/Ny Up, sandstone 2445 1951 575/415 M section millg KV Rt. + BecField29. 1997 Algyő-967 OP Algyő-2/Ny Up, sandstone 2411 1950 578/332 M section millg KV Rt. + BecField30. 1997 Hsz-186 GI/GP Szo-III Lp,sandstone 1380 948 547/294 M new well MBKV Rt. + BecField


Serial Year Well Function Layer Formation MD TVD VS/HS Radius Kick Off Drilling ContractorNumber (m) (m) (m) Service

35. 1998 Algyő-124 OP Ap-13 Lp,sandstone 2930 2435 608/346 M section millg MBKV Rt. + BecField36. 1998 Algyő-348 OP Algyő-2/Ny2 Lp,sandstone 2395 1957 520/340 M section millg MBKV Rt. + BecField37. 1998 Algyő-523 GP Maros-1 Lp,sandstone 2266 1956,5 378/250 M continued drillg MBKV Rt.+ BecField38. 1998 Algyő-491 OP Ap-13 Lp, sandst,marl 2843 2441,5 489/248 M window millg MBKV Rt. + BecField39. 1998 Algyő-683 GP Szeged-3 Up, sandstone 2286 1861 498/357 M continued drillg MBKV Rt. + BecField40. 1998 Algyő-255 OP Ap-13 Up, sandst,marl 2842 2446 515/329 M window millg MBKV Rt. + BecField41. 1998 Algyő-367 OP Ap-13/d Up, sandst,marl 2864 2439,5 504/314 M continued drillg MBKV Rt. + BecField42. 1998 Algyő-267 OP Ap-13 Up, sandst,marl 2831 2439,5 447/303 M continued drillg Rotary Rt. + BecField43. 1998 Algyő-776 GP CsD-1,-2 Up, sandstone 2422 1778,5 745/ 589 M section millg MBKV Rt. + BecField44. 1998 Algyő-3 OP CsD-1 Up, sandstone 2143 1775,5 473/307 M window millg Rotary Rt. + BecField45. 1998 Algyő-197 OP Ap-13 Lp, sandst,marl 2845 2444,5 487/150 M section millg MBKV Rt. + BecField46. 1998 Algyő-402 OP Ap-13/b Lp, sandst,marl 2832 2434,5 491/235 M continued drillg Rotary Rt. + BecField47. 1998 Algyő-561 OP Ap-13/b Lp, sandst,marl 2777 2442,5 403/148 M section millg MBKV Rt. + BecField48. 1998 Algyő-640 GP Algyő-2 Up, sandstone 2605 1893 852/495 M window millg Rotary Rt. + BecField49. 1998 Hsz-193 GP Szo-III Lp, sandst,marl 1317 951,5 473/178 M new well MBKV Rt. + BecField50. 1999 Ás-É-8 OP Prek. Prek, met. 2479 2007 556/143 M window millg MBKV Rt. + BecField51. 1999 Algyő-652 OP CsD-1/1 Up, sandstone,ale 2112 1776 402/158 M section millg MBKV Rt. + BecField52. 1999 Sabria NW-1H OP A. Ord. kvarcit A. Ord. kvarcit 4200 3747 542/304 M new well CTF + BHI53. 1999 Sabria N-1H D A. Ord. kvarcit A. Ord. kvarcit 4001 3776,5 341/127 M new well CTF + BHI

1999 Algyő-894Re1 műsz. elsz. CsD-2 Up, sandstone,ale 2144 1789 469/217 M section millg MBKV Rt. + BecField54. 1999 Algyő-894Re2 OP? CsD-2 Up, sandstone,ale 2106 1769 441/187 M section millg MBKV Rt. + BecField55. 1999 Algyő-699 OP CsD-2 Up, sandstone,ale 2038 1768,5 323/205 M window millg Rotary Rt. + BecField56. 1999 Algyő-486 OP CsD-1/1 Up, sandstone,ale 2154 1775 420/150 M window millg Rotary Rt. + BecField57. 1999 Hsz-191 GP Szo-III Up, sandst,marl 1340 973,5 453/242 M new well MBKV Rt. + BecField58. 2000 Hsz-195 GI/GP Szo-III Lp, sandst,marl 1279 959 399/202 M new well MBKV Rt. + BecField59. 2000 Algyő-654 OP CsD-2 Up, sandstone,ale 2103 1769,5 398/147 M window millg Rotary Rt. + BecField60. 2000 Algyő-221 GP Ap-14 Lp, sandst,marl 2796 2451,5 419/206 M window millg Rotary Rt. + BecField61. 2000 Algyő-752 GP Ap-14 Lp, sandst,marl 2846 2455,5 486,7/157,5 M section millg MBKV Rt. + BecField62. 2000 En-É-18 GP PL1-3/3 Up, sandstone 2740 2132,7 690,9/164,8 M new well Rotary Rt. + BecField63. 2000 Do-10 OP Mioc M, kongl. 3390 2835,5 679,2/164,6 M window millg Rotary Rt. + BecField64. 2000 A-952 OP CsD-1/1 Lp, sandst,ale 2309 1775,3 640,8/251,8 M section millg MBKV Rt. + BecField65. 2000 Ü-73 OP Tr-23 Tr.baz, bazkongl 2793,5 2263,6 600,3/168,1 M window millg Rotary Rt. + BecField66. 2000 Do-58 OP Prek Prek,metamorfit 3280 2787,8 520,3/53,5 M section millg MBKV Rt. + Baker Hughes I.67. 2000 Do-54 OP Prek Prek, metamorfit 3233 2787,3 485/159,3 M window millg Rotary Rt. + Baker Hughes I.


Serial Year Well Function Layer Formation MD TVD VS/HS Radius Kick Off Drilling ContractorNumber (m) (m) (m) Service

69. 2001 A-949 OP CsD-2 Up, sandstone 2313 1768,7 590/242 M window millg Rotary Rt. + BecField70. 2001 A-301 OP CsD-2 Up, sandstone 2122 1767 430,3/180,3 M window millg Rotary Rt. + BecField71. 2001 A-451 OP CsD-2 Up, sandstone 2357 1767,5 700,5/443,5 M window millg Rotary Rt. + BecField72. 2001 A-222 OP CsD-2 Up, sandstone 2212 1767 542/253 M window millg Rotary Rt. + BecField73. 2001 A-450 OP CsD-2 Up, sandstone 2226 1766,5 660/390 M window millg Rotary Rt. + BecField74. 2001 A-234 OP Ap-13 Lp,sandstone 3268 2444 940/274 M window millg Rotary Rt. + BecField75. 2002 A-228 OP Ap-13 Lp,sandstone 2977 2441,5 624,5/192 M window millg Rotary Rt. + BecField76. 2002 A-687 OP CsD-1 Up, sandstone 2120 1773,5 404/170 M window millg Rotary Rt. + BecField77. 2002 A-479 OP CsD-1 Up, sandstone 2336 1776,5 757,5/401 M window millg Rotary Rt. + BecField78. 2002 A-618 OP CsD-1 Up, sandstone 2458 1774 805,5/403 M window millg Rotary Rt. + BecField79. 2002 A-387 OP CsD-1 Up, sandstone 2316 1774 650/300 M window millg Rotary Rt. + BecField80. 2002 Sas-Ny-10 GP Pz-2/10 Pz, br, Prek, met 3015 2663 390/164 M window millg Rotary Rt. + BecField81. 2003 A-809 OP Ap-13 Lp,sandstone 2985 2440,5 610/140 M continued drillg Rotary Rt. + BecField82. 2003 A-299 OP Sző-1 Up, sandstone 2485 1845,5 795,5/482 M window millg Rotary Rt. + BecField83. 2003 A-297 OP Sző-1 Up, sandstone 2411 1843,5 679,5/364 M window millg Rotary Rt. + BecField84. 2003 A-686 OP CsD-1 Up, sandstone 2368 1776 719/428 M window millg Rotary Rt. + BecField85. 2003 A-676 OP CsD-1 Up, sandstone 2139 1776,5 461/257 M window millg Rotary Rt. + BecField86. 2003 A-614 OP CsD-1 Up, sandstone 2370 1773 855/471 M window millg Rotary Rt. + BecField

Data of Horizontal Drilling (1)

• Function of Drilling- Oil Production (OP) 60- Gas Production (GP) 15-- UGS UGS Gas Injection/ Gas Production (GI/ GP) Gas Injection/ Gas Production (GI/ GP) 88- Water Injection (WI) 1- Oil Production?/Unproduction (OP?) 4- Technically Damaged 1

• Layer and Formation- Upper Pannonian: sandstone-aleurit-clay marl 34- Lower Pannonian: sandstone- clay marl- calcereous marl 37- Miocene: limestone- tuffaceous sandstone-conglomerate 4- Trias: basalt-conglomerate 1- Paleozoic: quartzitferous metemorphite 7- Lower Ordovician: “Hamra” quartzite 3


• Drilling Contractor- MB (Oil Exploration) Plc. 42- Rotary Drilling Plc. 41- CTF 3

• Horizontal Drilling Service- Baker Hughes Inteq 7- Slim Drill 3- Halliburton 9- Sperry-Sun DS 5- BecField (Precision Drilling) 62

• Radius- Medium 85-- Short Short (UGS (UGS wellwell: : ZsanaZsana--ÉÉ--2222)) 11

Data of Horizontal Drilling (3)• Kick Off

- New Well 12- Re-entry Well 74

· Continued Drilling 19· Window Milling 39· Section Milling 16

• Data of Borehole- Deepest (TVD)

· Sabria N-1H. 3776,5 m· Do-64. 3063 m

- Shallowest (TVD) · Hsz· Hsz--187 187 946 946 mm

- Longest (MD)· Sabria NW-1H. 4200 m· Do-10. 3390 m


• Mud Type- Water Basic- Poly-Cat

• Bits ( 5 7/ 8” - 6” - 6 1/ 8” )- Rock Bits ( MT & TCI )- PDC

• Steerable System- Downhole Motor with Adjustable Benthausing 85- Rotary Steerable System 1

• Measurement While Drilling- Directional- Optional Gamma Ray

• Wireline Logging- Pipe Conveyed System


• Horizontal Drilling Areas (Fields)-- HajdúszoboszlóHajdúszoboszló 55-- ZsanaÉZsanaÉ 11-- AlgyőAlgyő (Maros (Maros –– I.)I.) 22- Algyő 61- Szeghalom 1- BattonyaK 1- ÁsotthalomÉ 1- Üllés 1- Mezősas 2- EndrődÉ 2- Sabria 3- Dorozsma 5- Szank 1

Horizontal UGS Wells

new well2029591279Lp, sandstoneGI/GPHsz-1952000

new well242973,51340Up, sandstoneGI/GPHsz-1911999

new well178951,51317Lp, sandstoneGPHsz-1931998

continued drilling2501956,52266Lp, sandstoneGPAlgyő-5231998



window milling18119462261Up, sandstoneGI/GPAlgyő-6781997

window milling22918342086M, lith.limestoneGI/GPZsana-É-221996

Kick OffHS(m)TVD (m)TL (m)FormationFunctionWell #Year

Horizontal Drilling Fields in Hungary

Slotted Liner Application in UGS Well

Screen with ECP in UGS Well

Comparison of Vertical andHorizontal Wells (1)

Algyő -Fie ld, Lowe r Pannonian 13 (Oil production we lls )

Param e te r Ve rtical Ho rizo ntal RatioQo (m3/day) 13 ,7 73 5 ,3GOR (m3/m3) 550 350 0 ,6DP (bar) 103 ,1 46 ,7 0 ,4"J" (m3/day x bar) 0 ,1 1 ,5 11 ,2

"J" Ratio World Ave rage : 3 -3 ,5


Zs ana Unde rground Gas S torageZs anaÉ-22 .

Gas Pro ductio n Ve rtical Ho rizo ntal Inc re as e m 3/day 28 400 298 480 10 ,5


Increasing ratio2.52

Horizontal297 400

Vertical118 000

Gas Productionm3/day

Hajduszoboszlo Underground Gas Storage(five wells average)

Conclusion

• The horizontal wells drilled and completed in Hungary by MOL, technically and economically turned out a success

• The horizontal drilling project has beencontinued in Hungary (2004: 5 wells in Algyő-field; 2005 planned: 7 wells)

• Good result is realized not only inincreasing productivity, but also in saving the layers

ThankThank youyou forfor youryour kindkindattentionattention!!

[email protected]

horizontal wells in hungarian underground gas storage

Documents