2010 3D Symposium-Murray Roth US Shale Comparison

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Shale Reservoirs Similar, yet so different2010 3D Seismic Symposium

Geography of Talks - 16th Annual 3-D Seismic Symposium Tuesday March 16th, 2010 Rocky Mountain Association of Geologists & Denver Geophysical Society 1 12 7

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11 4 8 9

5 6Geography of Talks - 16th Annual 3-D Seismic Symposium - Tuesday March 16th, 2010 1) Shale Plays Overview: Murray Roth 2) Williston Basin - Depth Imaging Workflow: Chris Besler & Greg Johnson 3) Eagle Ford Shale: Galen Treadgold & Steve Sinclair 4) Marcellus Shale: Jim Morris 5) Woodford Shale: Richard Parkes 6) Haynesville Shale: Pete Smith 7) World: Bob Peebler 8) Southern Uinta Dakota: Bill Keach 9) Piceance Basin - Winter Acquisition: Mary Sue Purcell & DeWitt Morris 10) Eagle Sandstone -Tiger Ridge Field Montana: Tanya Inks 11) Tensleep Fractures - Teapot Dome: Doug Klepacki 12) Montney Shale - BC Canada: B.K. Torry & Kurt Wikel

3 from: Canadian NEB/Murray Roth

Total Gas/Producible

Source: NEB

1000

10

10000

100

1

Source: EIA

Worlds Largest Gas Fields

South Pars Marcellus Haynesville Urengoy Yamburg Hassi RMel Shtokman Zapolyarn Hugoton Groningen Bonavenko Medvezhye Montney North Pars Horn River Dauletaba Karachag Kish Orenburg Barnett Fayetteville KharsaveyTransform proprietary information

Restricted Access Russian/FSU Other International

North American Gas

57 US/Canadian Shales marcellus-shale.usFORMATION Antrim Shale Baxter Shale Barnett Shale Bend Shale Cane Creek Shale Caney Shale Chattanooga Shale Chimney Rock Shale Cleveland Shale Clinton Shale Cody Shale Colorado Shale Conasauga Shale Dunkirk Shale Duvernay Shale Eagleford Shale Ellsworth Shale Excello Shale Exshaw Shale Fayetteville Shale Fernie Shale Floyd/Neal Shale Frederick Brook Shale Gammon Shale Gordondale Shale Gothic Shale Green River Shale Haynesville/Bossier Sh Horn River Shale Horton Bluff Shale PERIOD Late Devonian Late Cretaceous Mississippian Pennsylvanian Pennsylvanian Mississippian Late Devonian Pennsylvanian Devonian Early Silurian Cretaceous Cretaceous Middle Cambrian Upper Devonian Late Devonian Late Cretaceous Late Devonian Pennsylvanian Devonian-Mississippian Mississippian Jurassic Late Mississippian Mississippian Late Cretaceous Early Jurassic Pennsylvanian Eocene Late Jurassic Middle Devonian Early Mississippian LOCATION Michigan Basin, Michigan Vermillion Basin, Colorado, Wyoming Fort Worth and Permian, Texas Palo Duro Basin, Texas Paradox Basin, Utah Arkoma Basin, Oklahoma Alabama, Arkansas, Kentucky, Tennessee Paradox Basin, Colorado, Utah Eastern Kentucky Eastern Kentucky Montana Central Alberta, Saskatchewan Black Warrior Basin, Alabama Western New York West central Alberta Maverick Basin, Texas Michigan Basin, Michigan Kansas, Oklahoma Alberta, northeast British Columbia Arkoma Basin, Arkansas West central Alberta, northeast BC Black Warrior Basin, Alabama, Miss New Brunswick, Nova Scotia Williston Basin, Montana Northeast British Columbia Paradox Basin, Colorado, Utah Colorado, Utah Louisiana, east Texas Northeast British Columbia Nova Scotia Manning Canyon Shale Marcellus Shale McClure Shale Monterey Shale Montney-Doig Shale Moorefield Shale Mowry Shale Muskwa Shale New Albany Shale Niobrara Shale Nordegg/Gordondale Sh Ohio Shale Pearsall Shale Percha Shale Pierre Shale Poker Chip Shale Queenston Shale Rhinestreet Shale Second White Speckled Sunbury Shale Utica Shale Wilrich/Buckinghorse/ Garbutt/Moosebar Woodford Shale Mississippian Devonian Miocene Miocene Triassic Mississippian Cretaceous Late Devonian DevonianMississippian Late Cretaceous Late Jurassic Devonian Cretaceous Devonian-Miss Cretaceous Jurassic Ordovician Devonian Late Cretaceous Mississippian Ordovician Early Cretaceous Late Dev-Early Miss Klua/Evie Shale Lewis Shale Mancos Shale Middle Devonian Late Cretaceous Cretaceous Northeast British Columbia Colorado, New Mexico San Juan Basin, New Mexico, Uinta Basin, Utah Central Utah New York, Ohio, Pennsylvania, WV San Joaquin Basin, California Santa Maria Basin, California Alberta, northeast British Columbia Arkoma Basin, Arkansas Bighorn and Powder River, Wyoming Northeast British Columbia Illinois Basin, Illinois, Indiana Denver Basin, Colorado Alberta, northeast British Columbia East Kentucky, Ohio, West Virginia Maverick Basin, Texas West Texas Raton Basin, Colorado West central Alberta, northeast B New York Appalachian Basin Southern Alberta Appalachian Basin New York, Quebec West central Alberta, northeast British Columbia Oklahoma, Texas FORMATION Hovenweep Shale Huron Shale PERIOD Pennsylvanian Devonian LOCATION Paradox Basin, Colorado, Utah Part of Ohio Shale; east Kentucky, Ohio, Virginia, West Virginia

Economics vs Resources vs Maturity

Eagle Ford

UBS 2008

7 US/Canadian Shales for TodayFORMATIONBarnett Shale Eagleford Shale Haynesville/Bossier Shale Horn River Shale Marcellus Shale Woodford Shale Williston/Bakken Shale (Oil)

PERIODMississippian Late Cretaceous Late Jurassic Middle Devonian Devonian Late Devonian-Early Mississippian Upper Devonian

LOCATIONFort Worth and Permian basins, Texas Maverick Basin, Texas Louisiana, east Texas Northeast British Columbia New York, Ohio, Pennsylvania, West Virginia Oklahoma, Texas North Dakota, Montana, Saskatchewan

marcellus-shale.us

Barnett

Barnett Map

Max Stress

Barnett Setting

Source: USGS

Barnett Stratigraphy

Source: USGS

Barnett DetailsGeologic Age Lithology Total Area Size (sq mi) Total Gas (tcf) GIP (bcf/sq mi) Producable Gas (tcf) Depth (feet) Thickness (feet) Hor Well Cost ($M) Average EUR Pressure (psi) Temperature (F) Ro TOC (%) Porosity (%) Matrix Permeability (nD) Pressure Gradient (psi/ft) Clay Content (%) Adsorbed Gas (%) Mississippian Siliceous Mudstone 50000 327 150 50 7500 300 2.8 2.65 4000 200 2 4.5 6 250 0.526 45 35

300

Courtesy: Devon

Well Crossplot/Analysis

Courtesy: Devon

Eagle Ford

Eagle Ford Map

Oil

Dry Gas

Eagle Ford Setting

Source: Wilcox Exploration

Eagle Ford Stratigraphy

Source: USGS

Eagle Ford DetailsGeologic Age Lithology Total Area Size (sq mi) Total Gas (tcf) GIP (bcf/sq mi) Producable Gas (tcf) Depth (feet) Thickness (feet) Cretaceous bituminous shales 1350 84 200 9 11500 250 4.8 5.5 5200 335 1.5 4.5 11 1100 0.65 8 20

250

Hor Well Cost ($M) Average EUR Pressure (psi) Temperature (F) Ro TOC (%) Porosity (%) Matrix Permeability (nD) Pressure Gradient (psi/ft) Clay Content (%)

Source: USGS

Adsorbed Gas (%)

Haynesville

Haynesville Map

Haynesville Setting

Source: USGS

Haynesville Stratigraphy

Source: USGS

Haynesville DetailsGeologic Age Lithology Total Area Size (sq mi) Total Gas (tcf) GIP (bcf/sq mi) Producable Gas (tcf) Depth (feet) Thickness (feet) Hor Well Cost ($M) Average EUR Pressure (psi) Temperature (F) Ro TOC (%) Porosity (%) Matrix Permeability (nD) Pressure Gradient (psi/ft) Clay Content (%) Adsorbed Gas (%) Upper Jurassic Argillaceous/Calcareous 9000 717 175 251 12000 225 7.0 6.5 8500 340 2.2 3 10 658 0.95 27 18

200

Horn River

Horn River Map

Horn River Setting

Horn River Stratigraphy

Source: GSC/NEB of Canada

Horn River DetailsGeologic Age Upper Devonian Brittle Shale 5000 370 250 47 8800 450 7.0 7.5 4800 160 2.5 3 3 230 0.6 30 34

75

Lithology Total Area Size (sq mi) Total Gas (tcf) GIP (bcf/sq mi) Producable Gas (tcf) Depth (feet) Thickness (feet) Hor Well Cost ($M) Average EUR Pressure (psi) Temperature (F) Ro TOC (%) Porosity (%)

200

Matrix Permeability (nD) Pressure Gradient (psi/ft) Clay Content (%) Adsorbed Gas (%)

Source: BC Ministry of Energy

Marcellus

Marcellus MapSource: DOE

Marcellus Map Marcellus

Source: Cabot Presentation

Marcellus Setting

Marcellus Stratigraphy

Source: USGS

Marcellus DetailsGeologic Age Lithology Total Area Size (sq mi) Total Gas (tcf) GIP (bcf/sq mi) Producable Gas (tcf) Depth (feet) Thickness (feet) Hor Well Cost ($M) Average EUR Pressure (psi) Temperature (F) Middle Devonian Argillaceous Mudstone 95000 1500 200 356 7000 350 3.5 3.75 4000 130 1.25 3.25 8 1000 0.4 50 50

300

Ro TOC (%) Porosity (%) Matrix Permeability (nD) Pressure Gradient (psi/ft) Clay Content (%)

Source: WVGES Adsorbed Gas (%)

Marcellus Well Log Crossplot

Source: WVGS

Woodford

Woodford Map

Source: Oklahoma Geologic Society

Woodford Setting

Source: Kuykendall and Fritz

Woodford Stratigraphy

Source: Oklahoma Geologic Society

Woodford DetailsGeologic Age Lithology Total Area Size (sq mi) Total Gas (tcf) GIP (bcf/sq mi) Producable Gas (tcf) Depth (feet) Thickness (feet) Hor Well Cost ($M) Average EUR Pressure (psi) Temperature (F) Ro TOC (%) Porosity (%) Matrix Permeability (nD) Pressure Gradient (psi/ft) Clay Content (%) Adsorbed Gas (%) Upper Devonian Black shale 11000 23 70 11.4 8000 180 5 3.8 3267 145 1.5 7 6 500 0.7 30 46

150

Source: Newfield Presentation

Williston/Bakken

Williston/Bakken Map

Sanish/Parshall

Source: USGS

Williston/Bakken Setting

Source: USGS

Williston/Bakken Stratigraphy

Sanish

Source: AAPG

GR

RES

GR

DEN

Lodgepole

8150

Williston/Bakken DetailsGeologic Age Lithology Upper Dev/Lower Miss Sandstone/Siltstone/Carb 200000 945.1046972 28.29654782 20.65647991 10000 150 5.5 1.414827391 5600 140 0.9 10 5 10000 0.5 5 0 Total Area Size (sq mi) Total Gas (tcf) GIP (bcf/sq mi)

U Bkkn Shale