woodford shale, ardmore basin, oklahoma: a developing ... · geological map of oklahoma, hugh d....

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Woodford Shale, Ardmore Basin, Oklahoma: A Developing Shale Play J. Michael Party and Robert A. Wipf (Wagner & Brown, Ltd.), Jason M. Byl, Jeff Lawton, and James M. Hill (BNK Petroleum, Inc.) Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS)

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Page 1: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Woodford Shale, Ardmore Basin, Oklahoma:

A Developing Shale Play

J. Michael Party and Robert A. Wipf (Wagner & Brown, Ltd.),

Jason M. Byl, Jeff Lawton, and James M. Hill (BNK Petroleum, Inc.)

Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS)

Page 2: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Modified from Ye, Royden, Burchfiel, and Schuepbach 1996Geological Survey of Alabama Circular 192 Pashin & Hinkle, 2001

BARNETT SHALE

CANEY/WOODFORD SHALEFAYETTEVILLE

SHALE

FLOYD SHALE

BARNETT/WOODFORD SHALE

Page 3: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

After AAPG COSUNA Project

385 MYA

Page 4: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

385 MYA

Blakey 2005

Page 5: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

After AAPG COSUNA Project

360 MYA

Page 6: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Ken Johnson (1971)

Page 7: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

360 MYA

Blakey 2005

Page 8: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Oklahoma City

Ardmore

Page 9: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

After AAPG COSUNA Project

Page 10: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Wells that produced from Woodford

AYLESWORTH FIELDSMADILL FIELD

CADDO & SPRINGER FIELDS

Page 11: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

5,859,168 mcf

05/74-

4,500 mcf/month

2,328,287 mcf

178 bbls oil

11/74-07/07

731,005 mcf

03/75-

1,300 mcf/month

Page 12: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

220,899 mcf

7,610 bbls oil

02/78-03/91

1,788,889 mcf

03/92-

2,000 mcf/month

163,170 bbls oil

01/58-07/07

3,403,747 mcf

02/73-

300 mcf/month

4,304,217 mcf

02/78-

300 mcf/month

444,043 mcf

546 bbls oil

06/90-

200 mcf/month

354,246 mcf

04/05-

5,800 mcf/month

Page 13: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

1,262,515 mcf

6,127 bbls oil

03/95-

5,000 mcf/month

2,040,543 mcf

398,303 bbls oil

04/54-

2,000 mcf/month

1,696,249 mcf

06/61-

3,000 mcf/month

1,066,495 mcf

03/62-

1,200 mcf/month

1,414,947 mcf

11/61-05/89

724,208 mcf

06/61-12/90

844,893 mcf

06/61-02/95

2,692,895 mcf

06/61-

4,000 mcf/month

1,842,552 mcf

11/61-04/94

1,256,797 mcf

07/61-05/02

603,609 mcf

07/61-09/83

Page 14: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological
Page 15: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

STRUCTURE TOP WOODFORD

CI = 500 Feet

Granite Outcrop

Pre Penn Outcrop

Quaternary Fill

Washita River 3D Outline

Page 16: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Granite Outcrop

Pre Penn Outcrop

Quaternary Fill

ISOCHORE WOODFORD

CI = 50 Feet

Washita River 3D Outline

Page 17: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological
Page 18: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological
Page 19: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological
Page 20: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological
Page 21: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological
Page 22: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological
Page 23: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Perf’d 9,346-56

Frac’d with 15,238 bbls and

225,000# of 100 Mesh, 30/50 Mesh and 20/40 Mesh

Page 24: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Nickel Hill #1-26

1

10

100

1,000

10,0009/

4/20

07

9/18

/200

7

10/2

/200

7

10/1

6/20

07

10/3

0/20

07

11/1

3/20

07

11/2

7/20

07

12/1

1/20

07

12/2

5/20

07

1/8/

2008

1/22

/200

8

2/5/

2008

2/19

/200

8

3/4/

2008

3/18

/200

8

4/1/

2008

4/15

/200

8

4/29

/200

8

5/13

/200

8

5/27

/200

8

6/10

/200

8

6/24

/200

8

7/8/

2008

7/22

/200

8

8/5/

2008

DAYS

GA

S (m

cf/d

ay)

OIL

(bbl

s/da

y)

GASOIL

PLANT DOWN

Cummulative Production69,238 mcf + 2,245 bbls oil

Page 25: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

5 Stage Frac

Frac’d with 52,773 bbls and

1,075,022 # of 100 Mesh, and 30/50 Mesh

Page 26: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Greenway #35-1H

1

10

100

1,000

10,0009/

4/20

07

9/18

/200

7

10/2

/200

7

10/1

6/20

07

10/3

0/20

07

11/1

3/20

07

11/2

7/20

07

12/1

1/20

07

12/2

5/20

07

1/8/

2008

1/22

/200

8

2/5/

2008

2/19

/200

8

3/4/

2008

3/18

/200

8

4/1/

2008

4/15

/200

8

4/29

/200

8

5/13

/200

8

5/27

/200

8

6/10

/200

8

6/24

/200

8

7/8/

2008

7/22

/200

8

8/5/

2008

DAYS

GA

S (m

cf/d

ay)

OIL

(bbl

s/da

y)

GAS

OIL

PLANT DOWN

Cummulative Production254,482 mcf & 7,198 bbls oil

Page 27: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

9 Stage Frac

Frac’d with 94,056 bbls and

1,943,509 # of 100 Mesh, 40/70 Mesh, and 20/40 Mesh

Page 28: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Dunn #1H-2

1

10

100

1,000

10,0009/

4/20

07

9/18

/200

7

10/2

/200

7

10/1

6/20

07

10/3

0/20

07

11/1

3/20

07

11/2

7/20

07

12/1

1/20

07

12/2

5/20

07

1/8/

2008

1/22

/200

8

2/5/

2008

2/19

/200

8

3/4/

2008

3/18

/200

8

4/1/

2008

4/15

/200

8

4/29

/200

8

5/13

/200

8

5/27

/200

8

6/10

/200

8

6/24

/200

8

7/8/

2008

7/22

/200

8

8/5/

2008

DAYS

GA

S (m

cf/d

ay)

OIL

(bbl

s/da

y)

GAS

OIL

PLANT DOWN

Cummulative Production120,115mcf + 8,763 bbls oil

Page 29: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Wells that produced from Woodford

Page 30: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

3.1.35

1.3

3.1 1.2

.37

.45

.16

SPRINGER FIELD AREA

Woodford Only Woodford/Sycamore Woodford/Others Production in BCF (3.1 BCF)

Page 31: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

1,000

10,000

100,000

1 2 3 4 5 6 7 8 9 10 11 12 13

Months

GA

S (m

cf/m

onth

)

Jordan #1-12H (Gas)

Greenway 35-#1H (Gas)

Dunn 2-#1H (Gas)

Pipeline Issues

Pipeline Issues

Comparison of Jordan #1-12H, Greenway 35-#1H and Dunn 2-#1H

Page 32: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

1,000

10,000

100,000

1 2 3 4 5 6 7 8 9 10 11 12 13 14

Months

GA

S (m

cf/m

onth

)

Jordan #1-12H (mcfe)

Greenway 35-#1H (mcfe)

Dunn 2-#1H (mcfe)

Pipeline Issues

Pipeline Issues

Comparison of Jordan #1-12H, Greenway 35-#1H and Dunn 2-#1H

Page 33: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

McAlester

Oklahoma City

Ardmore

@ 90 Miles

Page 34: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Cumulative Production

>1 BCF

.75-1 BCF

.5-.75 BCF

.25-.5 BCF

<.25 BCF

133 of 427 Wells Producing have been producing less than 6 Months (31%)

256 of 427 Wells Producing have been producing less than 12 Months (60%)

Page 35: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Cumulative Production

>1 BCF

.75-1 BCF

.5-.75 BCF

.25-.5 BCF

<.25 BCF

Page 36: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Max Month Production

180-600 MMCF

0-30 MMCF

150-180 MMCF

120-150 MMCF

90-120 MMCF

60-90 MMCF

30-60 MMCF

Page 37: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Max Month Production versus Cumulative Production

0

500,000

1,000,000

1,500,000

2,000,000

2,500,000

3,000,000

3,500,000

4,000,000

4,500,000

5,000,000

5,500,000

0 50,000 100,000 150,000 200,000 250,000 300,000 350,000

B .5 Years

B 1 year

B 2 Years

B 2.5 YearsB 5 Years

B 10 Years

B 15 Years

F.5 Years

F 1 Year

W .5 Years

W 1 YearLinear (B .5 Years)

Linear (B 1 year)

Linear (B 2 Years)

Linear (B 2.5 Years)

Linear (B 5 Years)

Linear (B 10 Years)

Linear (B 15 Years)

Linear (F.5 Years)Linear (F 1 Year)

Linear (W .5 Years)

Linear (W 1 Year)

Cum

ulat

ive

Gas

Pro

duct

ion

(mcf

)

Max Month Gas Production (mcf)

Page 38: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Max Month Production versus Cumulative Production

0

500,000

1,000,000

1,500,000

2,000,000

2,500,000

3,000,000

3,500,000

4,000,000

4,500,000

5,000,000

5,500,000

0 50,000 100,000 150,000 200,000 250,000 300,000 350,000

1 Year

.5 Years

2.5 Years

5 Years

10 Y

ears

15 Y

ears

Cum

ulat

ive

Gas

Pro

duct

ion

(mcf

)

Max Month Gas Production (mcf)

Page 39: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological
Page 40: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Woodford Structure Comparison

CI = 500 Feet

Carter & Johnston Counties Area Pittsburg & Hughes Counties Area

Page 41: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Woodford Structure Comparison (Shading)

CI = 500 Feet

Carter & Johnston Counties Area Pittsburg & Hughes Counties Area

Page 42: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Woodford Isochore Comparison

CI = 50 Feet

Carter & Johnston Counties Area Pittsburg & Hughes Counties Area

Page 43: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Woodford Isochore Comparison (Shading)

CI = 50 Feet

Carter & Johnston Counties Area Pittsburg & Hughes Counties Area

Page 44: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Hunton Isochore Comparison

CI = 50 Feet

Carter & Johnston Counties Area Pittsburg & Hughes Counties Area

Page 45: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Activity Map

Page 46: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

2002 2003 2004 2005 2006 2007 20081

10

100

1,000

10,000

100,000

1,000,000

10,000,000

100,000,000

1,000,000,000

10,000,000,000

Time

Prod

uctio

n R

ates

436,859,808 mcf54,513 bbl oil 74,517,740 bbl w trDATE: 01/1993 - 08/2007BARNETT /SH/ JOHNSON CO

Dec 2002

2 Wells

.001 BCF/month

March 2005

135 Wells

3.4 BCF/month (~ 800 mcf/d/well)

Aug 2007

1,048 Wells

27.5 BCF/month

Johnson County Barnett

Gas

OilWellCount

GA

S (m

cf/m

onth

)

OIL

& W

ATE

R (

bbls

/mon

th)

(month)

Page 47: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

2003 2004 2005 2006 2007 20081

10

100

1,000

10,000

100,000

1,000,000

10,000,000

100,000,000

1,000,000,000

Time

Prod

uctio

n R

ates

45,573,483 mcf0 bbl oil 0 bbl w trDATE: 10/1985 - 06/2007FAYETTEVILLE SH

June 2004

3 Wells

.0007 BCF/month

Jan 2007

185 Wells

3.3 BCF/month (~ 600 mcf/d/well)

June 2007

311 Wells

6.2 BCF/month

Fayetteville Shale

Gas

WellCount

GA

S (m

cf/m

onth

)

OIL

& W

ATE

R (

bbls

/mon

th)

(month)

Page 48: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

2004 2005 2006 2007 2008 20091

10

100

1,000

10,000

100,000

1,000,000

10,000,000

100,000,000

1,000,000,000

Time

Prod

uctio

n R

ates

101,590,541 mcf117,285 bbl oilDATE: 01/1974 - 01/2008WOODFORD SHALE

Sept 2004

3 Wells

.006 BCF/month

Dec 2006

114 Wells

3.3 BCF/month (~ 960 mcf/d/well)

Jan 2008

387 Wells

10.4 BCF/month

Woodford Shale (Arkoma Basin)

Gas

WellCount

Oil

GA

S (m

cf/m

onth

)

OIL

& W

ATE

R (

bbls

/mon

th)

(month)

Page 49: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Development Time For Shale Plays

100

1,000

10,000

100,000

1,000,000

10,000,000

100,000,0001 9 17 25 33 41 49 57 65 73 81 89 97 105

113

121

129

137

145

153

161

169

177

185

193

201

209

217

225

233

241

249

257

265

273

281

289

297

Barnett

Johnson Co. Barnett

FayettevilleWoodford

3BCF/M

GA

S (m

cf/m

onth

)

(month)

Page 50: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

Development Time For Shale Plays

100

1,000

10,000

100,000

1,000,000

10,000,000

100,000,000

1 5 9 13 17 21 25 29 33 37 41 45 49 53 57 61 65 69 73 77 81 85 89 93 97 101 105 109 113 117 121 125

1

100

10000

Johnson Co. BarnettFayettevilleWoodford3BCF/M

GA

S (m

cf/m

onth

)

(month)

# Wells

# Wells

# Wells

Wel

l Cou

nt

Page 51: Woodford Shale, Ardmore Basin, Oklahoma: A Developing ... · Geological Map Of Oklahoma, Hugh D. Miser (USGS & OGS) Modified from Ye, Royden, Burchfiel, and Schuepbach 1996. Geological

THE END