Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX Stephen C. Ruppel Bureau of Economic Geology The 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
LOG IDENTICATION OF FACIES & CYCLCITY
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX
Cycle-capping Tidal Flat Facies WICHITA FACIES Fenestral Fabric Separate vug porosity 5 cm Porosity: 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 Mudstone Intercrystalline Porosity 1 mm 5 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
CYCLE SCALE ARCHITECTURE Subtidal Cycles
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX
Karst-related Breccias Wichita
Stephen C. Ruppel, Bureau of Economic Geology, PBGSP Annual Meeting, 2/27-28/06, Austin, TX
SEISMIC ARCHITECTURE Fullerton 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 D 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.Facies 2.Diagenesis 3.Identification of Rock Fabrics 4.Mineralogy 5.Karst? 6.Correlation 7.Architecture 8.Reservoir Framework