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Center for Strategic and International Studies November 29, 2017

Debra K. Higley 1

 USGS is responsible for assessing the potential for undiscovered conventional and continuous oil and gas resources using a geologic framework, and peer reviewed methodologies  Technically recoverable resources, present-day technology  The Anadarko Basin was assessed in 2011. Data and publications are at energy.usgs.gov  Why does the SCOOP/STACK play area have such high production and potential? 2

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2011 Marcellus Sh. AUs: 84 TCFG, 3379 MMBNGL

2011 Woodford Sh. : 18 TCFG, 192 MMBNGL, 393 MMBO; Mississippian AU: 0.42 TCFG, 11 MMBNGL 17 MMBO Energy.usgs.gov; USGS fact sheet 2011-3092, USGS DDS 69EE

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View to west of cube cut of the 4D petroleum system model. Adler and others (1971), Andrews (1999), IHS Well History DB, GDS DB (2009)

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fig_WoodfordGas_OilwellsISO_GOR.jpg

Rottmann (2000); IHS Energy Well, Production, and GDS (2009, 2014)

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Sorrento Ladder Creek

Miss Cum Gas/lease MocaneLaverne

Ringwood, Sooner Trend

Cement

Mississippian Gas (2010; 2013 [pink])

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Sorrento Ladder Creek

Miss cum oil/lease

Ringwood, Sooner Trend

MocaneLaverne

Mississippian Oil (2010; 2013 [pink])

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Overpressure in the deep basin

Nelson and Gianoutsos (2014); Higley (2016)

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Modeled Ro Woodford

4D model of Woodford Shale vitrinite reflectance (Ro) and transformation ratio (pink line) based on Woodford kinetics Oil Generation 0.6 to 1.2 Ro

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WDFD Top 310 Ma

WDFD Top 310 Ma

310 Ma – Top of Woodford

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WDFD Top 300 Ma

300 Ma – Woodford TR, FP

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WDFD TR 280 Ma

280 Ma 14

WDFD TR FP 260 Ma

260 Ma – Woodford top

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240 Ma

240 Ma – Miss. top

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220 Ma

220 Ma – End of Peak Oil

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200 Ma

200 Ma 18

180 Ma

180 Ma 19

180 Ma

160 Ma 20

140 Ma

140 Ma 21

120 Ma

120 Ma 22

100 Ma

100 Ma 23

80 Ma

80 Ma 24

70 Ma

70 Ma 25

60 Ma

60 Ma 26

50 Ma

50 Ma 27

40 Ma

40 Ma 28

30 Ma

30 Ma 29

20 Ma

20 Ma 30

10 Ma

10 Ma 31

0 Ma

0 Ma 32

Miss FP with 6% TOC on WDFD

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Miss Oil wells and FP with 6% TOC on WDFD

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1) Underexplored, multiple stacked potential 2) 3) 4)

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reservoirs (Cambrian through Pennsylvanian age) Proximal and updip of overpressured source and reservoir strata, also area of potential Multiple traps due to pinchout of reservoir strata Within and updip of thickest Woodford Shale that is thermally mature for gas and oil A long period of oil and gas generation and migration from the Woodford shale 35

NY

PA

Woodford Shale

5.9 BCFG, 1 MBW

Marcellus Shale

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