Transcript INTEGRATED SYNTHESIS OF PERMIAN BASIN DEPOSITIONAL …

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
WOODFORD
STRATIGRAPHY
SOUTHERN
MIDCONTINENT
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX
MIDDLE DEVONIAN PALEOGEOGRAPHY
WESTERN HEMISPHERE
Panthalassia
Ocean
LAURUSSIA
Permian Basin
Rheic Ocean
GONDWANA
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX
WOODFORD SUBCROP
SOUTHERN
MIDCONTINENT
400 ft
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX
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
LOG EXPRESSION
Permian Basin
Barnett
Miss. LS
Very High Gamma Ray
Woodford
Low Resistivity *
Thirtyone
Ector Co., TX
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX
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
WOODFORD FACIES
Siltstones
Graded Bedding
Rippled
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX
STRATIGRAPHY & FACIES
Black Mudstone
Facies
Gray Siltstone
Facies
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX
STRATIGRAPHY & FACIES
Black Mudstone
Facies
Gray Siltstone
Facies
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX
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
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
KEY ISSUES: WOODFORD
1. Depth
2. Thickness
3. TOC
4. Ro
5. Facies
6. Fractures
7. Super and Subjacent Strata
8. Log Characterization
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX