revised - jarvie -geochemical characteristics of the ... · geochemical characteristics of the...

23
Jarvie 1 Geochemical Characteristics Geochemical Characteristics of the of the Devonian Woodford Shale Devonian Woodford Shale Devonian Woodford Shale Devonian Woodford Shale Dan Jarvie Dan Jarvie Worldwide Geochemistry, LLC Worldwide Geochemistry, LLC Outline Background Woodford Shale Geochemistry Woodford Shale Geochemistry Woodford ShaleGas Oklahoma Arkoma Basin Anadarko Basin Ardmore Basin Texas Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK 2 Texas Permian Basin Woodford Shale Oil Summary

Upload: phamnhu

Post on 01-May-2019

214 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 1

Geochemical CharacteristicsGeochemical Characteristicsof theof the

Devonian Woodford ShaleDevonian Woodford ShaleDevonian Woodford ShaleDevonian Woodford Shale

Dan JarvieDan Jarvie

Worldwide Geochemistry, LLCWorldwide Geochemistry, LLC

Outline

• Background• Woodford Shale Geochemistry• Woodford Shale Geochemistry• Woodford Shale‐Gas

– Oklahoma• Arkoma Basin• Anadarko Basin• Ardmore Basin

Texas

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    2

– Texas• Permian Basin

• Woodford Shale Oil • Summary

Page 2: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 2

0.30

Reserves per Well Decliningbut offset by drilling more wells

Reserves per well added, 1973‐2015 est.

Improvement

0.10

0.15

0.20

0.25

MMBo

e / well

Stability

Decline

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    3

0.00

0.05

M

Sources: EIA; Bernstein Estimates

Where is the most likely place in a Where is the most likely place in a y py psedimentary basin to find sedimentary basin to find 

hydrocarbons ?hydrocarbons ?

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    4

The source The source rockrock

Page 3: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 3

North American Shale Resource Plays

23

24

6

22

1

3

7

9

17

18

23

26

252

21

19

81516

6

27

20

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    5

4 10

12145

X2

29

11

13

X1

31

30

28

DryInterpreted Estimated Gas δ13C δ13C δ13C

Thermal Maturity TOC TOCo HI Estimated %Roe Measured S1/TOC Ratio methane ethane propaneShale Window (wt %) (wt %) mg HC/g TOC TR from Tmax %R mg HC/g TOC Count (C1/(C1 C4) (ppt) (ppt) (ppt)

Geochemical Dataon various shale resource play types

Shale Window (wt.%) (wt.%) mg HC/g TOC TR from Tmax %Ro mg HC/g TOC Count (C1/(C1..C4) (ppt) (ppt) (ppt)Antrim Immature to early oil 5.27 5.35 432 10-20% 0.67 0.51 53 181 98% -55New Albany Oil 7.06 7.28 428 5-40% 0.65 na 21 59 52% -53 -44 -37Woodford Oil 9.23 9.61 503 10-50% 0.76 0.54 52 31Marcellus Dry gas 3.37 5.27 16 >90% 2.16 na 20 33Utica Dry gas 1.71 2.67 18 >90% nr na 33 21Fayetteville Dry gas 1.86 2.91 24 >90% nr 2.0-2.5 15 538Woodford Late oil-early gas 2.04 3.19 73 >80% 0.92 na 17 40Barnett Immature-early oil 5.21 5.37 380 12% 0.62 0.55 42 3Barnett Early oil 4.70 5.28 299 31% 0.86 0.77 78 25Barnett Gas 4.45 6.50 45 90% 1.72 1.67 19 90Atokan Late oil-early gas 3.11 4.86 23 >70% 1.4 na 27 18Barnett Late oil-early gas 4.04 6.31 67 >70% 0.76 - 1.48 0.86-2.15 33 858Woodford Late oil-early gas 3.93 6.14 87 >70% 1.02 1.20 - 2.10 70 32Bossier Dry gas 1.81 2.83 13 >90% nr 1.40 18 28Lewis Dry gas 1.46 2.28 22 >90% NR 1.60 18 22Waltman Oil 2.53 4.22 322 50% 0.75 0.69 5 43 97% -35 -23 -22B kk Oil 11 37 13 87 298 10 70% 50 1 00 0 55 0 95 43 349

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    6

Bakken Oil 11.37 13.87 298 10-70% .50 - 1.00 0.55 -0.95 43 349Monterey Oil 6.77 7.96 460 10-20% 0.40 0.45 88 12Antelope Oil 3.02 3.18 433 10-30% 0.55 na 70 70

All values are average values from Humble database and may include variable thermal maturities

TOCo total organic carbon, original valueHI hydrogen index (S2/TOC x 100; mg HC/g TOC)TR transformation ratio ((HIo - HIpd)/HIo) where HIo is original HI and HIpd is present-day HI value

%Ro vitrinite reflectance in oil submersion%Roe vitrinite reflectance equivalent; calculated from Rock-Eval Tmax valueppt parts per thousand or parts per mil

Page 4: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 4

Shale CompositionAverage Percent Mineral Composition

Clay Potassium PlagioclaseAge Count Minerals Quartz Feldspar Feldspar Calcite Dolomite Siderite Pyrite Other

Quatenary 5 29.9 42.3 12.4 0.0 6.6 2.4 0.0 5.6 0.8Pliocene 4 56.5 14.6 5.7 11.9 3.2 0.0 2.9 1.8 3.4Miocene 9 25.3 34.1 7.8 11.7 14.6 1.2 0.0 1.9 3.4Oligocene 4 33.7 53.5 3.0 0.0 5.5 0.0 0.0 0.0 4.3Eocene 11 40 2 34 6 2 0 8 1 3 8 4 6 1 7 1 6 3 4

50.0

60.0

Eocene 11 40.2 34.6 2.0 8.1 3.8 4.6 1.7 1.6 3.4Cretaceous 9 27.4 52.9 3.6 1.6 2.9 7.9 0.1 1.6 2.0Jurassic 10 34.7 21.9 0.6 4.4 14.6 1.6 0.4 10.9 10.9Triassic 9 29.4 45.9 10.7 0.7 3.7 4.1 5.1 0.0 0.4Permian 1 17.0 28.0 4.0 8.0 0.0 1.0 0.0 0.0 42.0Pennsylvanian 7 48.9 32.6 0.5 6.2 1.4 2.1 3.4 3.5 1.4Mississippian 3 57.2 29.1 0.4 2.9 0.0 0.0 0.6 5.1 4.7Devonian 22 41.8 47.1 0.6 0.0 2.0 1.3 0.3 3.3 3.6Ordovician 2 44.9 32.2 1.0 6.3 9.5 0.5 0.5 3.4 1.7Misc. ages 29 47.8 33.1 1.0 5.5 5.2 2.3 0.8 3.1 1.2

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    7

0.0

10.0

20.0

30.0

40.0

QUARTZ

 CONTENTAverage Clay: 38%

Average Quartz: 36% O’Brien and Slatt, 1990

Woodford Shale, Delaware Basin, Texas:abundance of low reflecting abundance of low reflecting desmocollinitedesmocollinite

HGS ID: 04-2684-103341Country: USAC S i

VITRINITE REFLECTANCE

LEGEND

12

14

16

18

20

men

ts

Company: SuperiorWell: #1 El Paso StateDepth: 8310'Unit: FeetSample type: CuttingAnalyst: W.K.Date: 12-May-05Comments: Yellow/orange - orange spore fluorescence in mineral matter.

LEGENDLiptiniteDesmocolliniteTelocolliniteOxidised telocolliniteReworked vitriniteSemifusiniteInertiniteCavings/Contamination

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    8

0

2

4

6

8

10

12

0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8

No.

mea

sure

m

VR/M %

Page 5: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 5

Low MaturityNo Cracking

Diamondoids allow for recognition of oil cracking and mixing

High MaturityNo Cracking

Mixed OilsHigh & LowMaturity oils

Slightly Cracked

Intensely Cracked

-30

-25

Norm

Barnett Barnett Shale Gas Shale Gas DataData(Slide provided courtesy (Slide provided courtesy GeoMarkGeoMark Research)Research)

-40

-35

δ13 C

2

mal Increasing Maturity

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    10

0 5 10 15 20 25 30 35 40Wetness (%>C2)

-50

-45

Shale Gases Tight Sand Gases

Page 6: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 6

Kerogen → Oil → Gas → Dry Gas

Thermal DecompositionThermal Decomposition

1.00.5 1.5 2.0

% Ro

Catalytic DecompositionCatalytic Decomposition

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    11

Kerogen → Dry GasCatalytic DecompositionCatalytic Decomposition

1.00.5 1.5 2.0

% Ro

15

R 2 = 0 88

60 Marine Shales (70% of database)60 Marine Shales (70% of database)

A/TOC = 2.6 ± 0.89

Catalytic Activity in Shales

TOC

5

10

TOC = 0.0086 (A)TOC = 0.0086 (A)0.890.89R = 0.88

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    12

Activity (ppb)

10 100 1000 10000

0

Page 7: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 7

40

50Catalytic Catalytic ActivityActivityis relatedis related

0

10

20

30

0 4

0.6

0.81.0

1.2

810

Activ

ity

HI/(HI+O

I)

is relatedis relatedtoto

HydrogenHydrogenIndexIndex

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    13

0.0

0.2

0.4

02

46

8 HI/

TOC

Anoxic ShalesOxic Shales

Outline

• Background• Woodford Shale Geochemistry• Woodford Shale Geochemistry• Woodford Shale‐Gas

– Oklahoma• Arkoma Basin• Anadarko Basin• Ardmore Basin

Texas

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    14

– Texas• Permian Basin

• Woodford Shale Oil • Summary

Page 8: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 8

Comparison of Resource Potentials of Mississippian and Devonian Shales

Mississippian DevonianNew

Barnett Caney Fayetteville Floyd Woodford Albany Ohio ChattanoogaGeochemical Data Shale Shale Shale Shale Shale Shale Shale Shale

Estimated average original TOC 5.84 5.01 5.51 5.65 15.45 13.54 8.34 11.47Estimated average original generation potential (mg/g) 29.75 19.8 23.9 21.98 59.68 73.81 38.52 42.32Estimated average total generation potential (bo/af) 651 433 523 481 1306 1616 843 926Estimated average total generation potential (mcf/af) 3907 2601 3139 2887 7838 9694 5059 5558

Thickness (feet) 100 100 100 100 100 100 100 100Total generation potential (bcf/section) 250 166 201 185 502 620 324 356Estimated GIP with 15% retained hydrocarbons 38 25 30 28 75 93 49 53

*

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    15

(comparison made assuming all are 100 ft. thick)

* Ardmore Basin low maturity Woodford Shale outcropsArdmore Basin low maturity Woodford Shale outcrops

Comparison of TOC Values:Chert vs. Shale

16Ch t

6

8

10

12

14

rgan

ic Carbo

n (TOC)

Chert

Shale

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    16

0

2

4

1 2 3 4

Total O

Sample Number

Data from Comer and Hinch, 1987

Page 9: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 9

Oil and Gas Decomposition Profileslow sulfur marine shales

0%

WOODFORD10%

20%

30%

40%

50%

60%

GE

N T

RAN

SFO

RM

ATIO

N

WOODFORD

BAKKEN (II)

"BP 2-component D/E facies"

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    17

70%

80%

90%

100%75 95 115 135 155 175 195

KE

RO

G

TEMPERATURE (oC)

Primary Cracking of Organic Matter in Woodford Shale: Compositional Kinetics

3.8

4.2

0.9

1.0

Black Oil

1 4

1.8

2.2

2.6

3.0

3.4

3.8

0 3

0.4

0.5

0.6

0.7

0.8

0.9

NITE

REF

LECT

ANC

E (%

Ro)

SFO

RMAT

ION

RATI

O (T

R)

CondensateWet GasDry GasVitrinite Reflectance

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    18

0.2

0.6

1.0

1.4

0.0

0.1

0.2

0.3

0 50 100 150 200 250 300 350

VITR

IN

TRAN

S

TEMPERATURE (oC)

Page 10: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 10

Woodford Shale: Sample AOil and Gas Yields upon total decomposition

WOODFORD FORMATION

12%

29%

5%

C1C2-C4C5-C14

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    19

54% C5-C14C15+

Woodford Mineralogy: Example

60 Average Quartz: 37%Average Illite: 26%

20

30

40

50

Percen

tage

Quartz

Carbonate

Pyrite

Kaolinite

gAverage kerogen: 15%

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    20

0

10

20

1 2 3 4 5 6 7 8 9

P

Sample Number

Illite

Kerogen

Abousleiman et al., 2008

Page 11: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 11

Outline

• Background• Woodford Shale Geochemistry• Woodford Shale Geochemistry• Woodford Shale‐Gas

– Oklahoma• Arkoma Basin• Anadarko Basin• Ardmore Basin

Texas

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    21

– Texas• Permian Basin

• Woodford Shale Oil • Summary

Woodford Shale Plays:Arkoma, Anadarko, Ardmore, and Permian Basins

15

ANADARKO BASIN ARKOMA 

BASIN

PERMIAN BASIN

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    22

4 10

14

ARDMORE BASIN

Page 12: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 12

Woodford Shale Basins, Oklahoma

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    23Cardott, 2007

Comparison of early wells in Arkoma Basin: Vertical vs. Horizontal

6000

2000

3000

4000

5000

IP (m

cf/d

)

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    24

0

1000

Page 13: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 13

Select Wells:  Arkoma Basin (Oklahoma)

NDL Beebe #12.0%VRo

NDL Lola #20.67%VRo at 3920 ft.

Citrus Wild Turkey #11.125mmcf/d Caney

?

DPC Hammontree #11.24%VRo at 4,038 ft.

Pawnee Factor #10.98%VRo at 3465 ft.

Arco Fazekas #23 00%VRo at 11 700 ft

?

GasWindowOil

Window

12

3

5

67 9

1110 8

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    25

Sohio Taylor #11.52%VRo

Exxon Retherford #11.07%VRo at 17,190 ft.

3.00%VRo at 11,700 ft.

?

12

1.0 mcf/d (Newfield Woodford IP)

Outline

• Background• Woodford Shale GeochemistryWoodford Shale Geochemistry• Woodford Shale‐Gas

– Oklahoma• Arkoma Basin• Anadarko Basin• Ardmore Basin

– Texas• Permian Basin

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    26

– Midland Basin– Central Basin Platform– Delaware Basin

• Woodford Shale Oil • Summary

Page 14: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 14

Thermal Maturity, Anadarko Basin:focus on Canadian County area

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    27Cardott, 1989

Woodford Shale, Canadian CountyAnadarko Basin

90

ock) HIGHLY OIL PRONE OIL PRONE

WITH SOME GAS

30

40

50

60

70

80

CA

RB

ON

PO

TENT

IAL

(mg

HC/g

Ro WITH SOME GAS

MIXEDOIL & GAS

PRONE

PRIMARILY

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    28

0

10

20

30

0 5 10 15 20 25

REM

AIN

ING

HYD

RO

TOTAL ORGANIC CARBON (TOC, wt.%)

PRIMARILY GAS

PRONEOrganic

Lean

DRY GASPRONE

Page 15: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 15

AnadarkoBasin

Canadian County,Canadian County,Woodford Shale:Woodford Shale:

Extent of conversionExtent of conversionandand

Thermal MaturityThermal Maturity

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    29

Outline

• Backgrounddf d h l h• Woodford Shale Geochemistry

• Woodford Shale‐Gas– Oklahoma

• Arkoma Basin• Anadarko Basin• Ardmore Basin

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    30

Ardmore Basin

– Texas

• Woodford Shale Oil • Summary

Page 16: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 16

Woodford Shale, Ardmore Basin

80

90

Roc

k) HIGHLY OIL PRONE OIL PRONEWITH SOME GAS

30

40

50

60

70

80R

OC

AR

BO

N P

OTE

NTI

AL

(mg

HC

/g

MIXEDOIL & GAS

PRONE

PRIMARILY GASOrganic

Lean

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    31

0

10

20

0 5 10 15 20 25

REM

AIN

ING

HYD

R

TOTAL ORGANIC CARBON (TOC, wt.%)

PRONELean

DRY GASPRONE

ArdmoreArdmoreBasinBasin

Woodford ShaleWoodford Shale

•High remaining potential•Low to moderate

Thermal maturity

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    32

Thermal maturity

Page 17: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 17

Outline

• Background• Woodford Shale Geochemistry• Woodford Shale Geochemistry• Woodford Shale‐Gas

– Oklahoma• Arkoma Basin• Anadarko Basin• Ardmore Basin

Texas

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    33

– Texas• Permian Basin

• Woodford Shale Oil • Summary

Distribution of TOC in Permian Basin

45

10152025303540

Cou

nt

WolfcampAtokaBarnettWoodford

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    34

050

0-1 1-2 2-3 3-4 4-5 5-6 6-7 7-8 8-9 9-10TOC (wt.%)

Page 18: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 18

Woodford Shale, Permian Basin:Decrease in Hydrogen Index with increasing thermal maturity

y = ‐0.391ln(x) + 3.0252R² = 0.9091

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60te Reflectan

ce (%

Ro)

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    35

1.80

2.00

2.20

0100200300400500600700

Vitrinit

Hydrogen Index (mg HC/g TOC)

Predicted Temperature of Earliest Generated Woodford Shale Oil

y = 0.049x3 ‐ 6.3833x2 + 277.23x ‐ 3887.9R² 0 9854

80

R² = 0.985490

100

110

120

p from

 Oil Ana

lysis (oC)

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    36

130

140

30 35 40 45 50

CTem

p

API Gravity

Page 19: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 19

Permian Basin: oil and gas windowsHydrogen Indices (HI) vs. Depth

Permian Basin

0

2000

4000

6000

8000

10000

Dep

th (f

eet)

Oil Window              Wet          DryGas          Gas

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    37

10000

12000

14000050100150200250300

Hydrogen Index (HI)

Outline

• Background• Woodford Shale Geochemistry• Woodford Shale Geochemistry• Woodford Shale‐Gas

– Oklahoma• Arkoma Basin• Anadarko Basin• Ardmore Basin

Texas

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    38

– Texas• Permian Basin

• Woodford Shale Oil • Summary

Page 20: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 20

Fractures in Bakken Shale

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    39Pitman et al., 2001

Bakken Shale DatabaseWilliston Basin, USA

ORGANIC MATTER QUALITY

160.00

Type I

60.00

80.00

100.00

120.00

140.00

ON

GEN

ERA

TIO

N P

OTE

NTI

AL

(mg

HC

/g R

o

Mixed

Type IIOil Prone

(usu. marine)

Type IOil Prone(usu. lac.)

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    40

0.00

20.00

40.00

0.00 5.00 10.00 15.00 20.00 25.00

TOTAL ORGANIC CARBON (wt. % TOC)

HYD

RO

CA

RB

O

Type IIIGas Prone

Gas/Oil Prone

Page 21: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 21

Residual Oil Saturationfrom geochemical analyses

30.00

10.00

15.00

20.00

25.00

EE O

IL (m

g H

C/g

TO

C)

Moderate Saturation

High Saturation

Oil Shows/Productive

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    41

0.00

5.00

0.00 5.00 10.00 15.00 20.00 25.00 30.00

TOC (wt.%)

FRE

Low Saturation

Moderate Saturation

Free Oil Content at Low Level Conversion of Woodford Shale

600

700PotentialPotentialReservoirsReservoirs

200

300

400

500

600

drogen

 Inde

x (m

g HC/g TO

C)

ReservoirsReservoirs

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    42

0

100

200

0 20 40 60 80 100 120 140

Hyd

Normalized Residual Oil Content (mg HC/g TOC)

Page 22: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 22

Outline

• Background• Woodford Shale Geochemistry• Woodford Shale Geochemistry• Woodford Shale‐Gas

– Oklahoma• Arkoma Basin• Anadarko Basin• Ardmore Basin

Texas

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    43

– Texas• Permian Basin

• Woodford Shale Oil • Summary

Summary

• Woodford Shale geochemistry is variable in t fterms of– Organic richness– Original generation potential– Thermal maturity– And hence... Gas contents, GIP, and EURs

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    44

• Make use of all available samples and analytical techniques to optimize exploration and production impact

Page 23: Revised - Jarvie -Geochemical Characteristics of the ... · Geochemical Characteristics of the Devonian Woodford Shale Dan Jarvie Worldwide Geochemistry, LLC Outline • Background

Jarvie ‐ 23

Thank you !Thank you !

Peace be with you !

(Shalom)

(Salam Alakum)

Dan Jarvie. Worldwide Geochemistry Oklahoma Gas Shales Oct 22, 2008, OKC, OK    45

[email protected]

www.wwgeochem.com