1. THE DEVONIAN WOODFORD FORMATION: SOURCE AND RESERVOIR?
PBGSP
Stephen C. Ruppel
Bureau of Economic Geology
The University of Texas at Austin
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX

2. SOUTHERN MIDCONTINENT
WOODFORD STRATIGRAPHY
SOUTHERN MIDCONTINENT
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX

3. MIDDLE DEVONIAN PALEOGEOGRAPHY
WESTERN HEMISPHERE
Panthalassia
Ocean
LAURUSSIA
PaleoTethys Ocean
Permian Basin
Rheic Ocean
GONDWANA
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX

4. WOODFORD SUBCROP SOUTHERN MIDCONTINENT 400 ft
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX

5. WOODFORD DEPTH SOUTHERN MIDCONTINENT -10,000 ft -15,000 ft
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX

6. LOG EXPRESSION Permian Basin Barnett Miss. LS Very High Gamma Ray
Low Resistivity *
Woodford
Thirtyone
Ector Co., TX
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX

7. WOODFORD FACIES Mudstones Laminated & Burrowed Miss. LS Woodford
Fasken
Chaves Co., NM
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX

8. WOODFORD FACIES Siltstones Graded Bedding Rippled
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX

9. STRATIGRAPHY & FACIES Black Mudstone Facies Gray Siltstone Facies
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX

10. STRATIGRAPHY & FACIES Black Mudstone Facies Gray Siltstone Facies
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX

11. WOODFORD PALEOGEOGRAPHY
SOUTHERN MIDCONTINENT
Craton-derived Clastic Input:
along NW Margin
Hemipelagic Muds
Deep Basin Upwelling (silica)
along SW Margin
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX

12. TOTAL ORGANIC CARBON (TOC)
WOODFORD
TOTAL ORGANIC CARBON (TOC)
Cores & Outcrops
From Comer (1991)
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX

13. KEY ISSUES: WOODFORD Depth Thickness TOC Ro Facies Fractures
Super and Subjacent Strata
Log Characterization
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX