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

Stephen C. Ruppel

Bureau of Economic GeologyThe Jackson School of Geosciences

The University of Texas at Austin

KEY TO RESERVOIR DEVELOPMENT AND CHARACTERIZATION:

CLEAR FORK, WICHITA, ABO

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

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

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

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

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

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

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

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

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

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

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

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

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

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

LOG IDENTICATION OF FACIES & CYCLCITY

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

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

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

Cycle-capping Tidal Flat Facies WICHITA FACIES

Fenestral FabricSeparate vug porosity

5 cmPorosity: 15.2 %; Permeability: 1.7 md

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

Tidal Flat Facies

WICHITA FACIES

Laminated MudstoneIntercrystalline Porosity

1 mm5 cm

Porosity: 13.8 %; Permeability: 0.93 md

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

Peloidal Dolopackstone

Porosity: 16.0 %; Permeability: 4.22 md

Wichita

Peloidal Dolowackestone

7095

Porosity: 11.7 %; Permeability: 0.68 md

Dominated by Rock Fabric Class 3

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

Ooid/skeletal Lime Grainstone

LOWER CLEAR FORK FACIES

Separate Vug Porosity

5 cm

Porosity: 23.1 %; Permeability: 17 md

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

Lower Clear Fork

Peloidal Grain-dominated Dolopackstone

Porosity: 11.7 %; Permeability: 0.68 md 6122:6976

Skeletal/peloidal Lime Grainstone

Porosity: 11.0 %; Permeability: 0.54 md 6122:6857

Dominated by Rock Fabric Classes 1 & 2

Moldic

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

Stephen C. Ruppel, Bureau of Economic Geology, 2003 UL/PTTC Workshop, Midland, TX

Cycle-capping Tidal Flat Facies LOWER CLEAR FORK FACIES

Fenestral Fabric

Separate vug porosity

5 cm

Cycle Top

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

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

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

CYCLE SCALE ARCHITECTURESubtidal Cycles

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

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

Karst-related BrecciasWichita

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

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

SEISMIC ARCHITECTUREFullerton Clear Fork Field

W E

Tubb

LCF

Wichita

Abo

Tubb

LCF

Wichita

Abo

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

Amplitude Extraction for L2.1 in Proposed Infill Area

28112813

2913

30133015

31133115

2910

2000

18000

3D survey

Phase 2 study area

Unit outline

N

Existing good producer

Proposed wells

Proposed infill area

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

KEY ISSUES: LEONARD CARBONATES

1. Facies2. Diagenesis3. Identification of Rock Fabrics 4. Mineralogy5. Karst?6. Correlation7. Architecture8. Reservoir Framework