Stephen C. Ruppel

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KEY TO RESERVOIR DEVELOPMENT AND
CHARACTERIZATION CLEAR FORK, WICHITA, ABO

• Stephen C. Ruppel
• Bureau of Economic Geology
• The Jackson School of Geosciences
• The University of Texas at Austin

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Stephen C. Ruppel, Bureau of Economic Geology,
PBGSP Annual Meeting, 2/27-28/06, Austin, TX
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Stephen C. Ruppel, Bureau of Economic Geology,
PBGSP Annual Meeting, 2/27-28/06, Austin, TX
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Stephen C. Ruppel, Bureau of Economic Geology,
PBGSP Annual Meeting, 2/27-28/06, Austin, TX
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Stephen C. Ruppel, Bureau of Economic Geology,
PBGSP Annual Meeting, 2/27-28/06, Austin, TX
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Stephen C. Ruppel, Bureau of Economic Geology,
PBGSP Annual Meeting, 2/27-28/06, Austin, TX
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Stephen C. Ruppel, Bureau of Economic Geology,
PBGSP Annual Meeting, 2/27-28/06, Austin, TX
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Stephen C. Ruppel, Bureau of Economic Geology,
PBGSP Annual Meeting, 2/27-28/06, Austin, TX
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Stephen C. Ruppel, Bureau of Economic Geology,
PBGSP Annual Meeting, 2/27-28/06, Austin, TX
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Stephen C. Ruppel, Bureau of Economic Geology,
PBGSP Annual Meeting, 2/27-28/06, Austin, TX
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Stephen C. Ruppel, Bureau of Economic Geology,
PBGSP Annual Meeting, 2/27-28/06, Austin, TX
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Stephen C. Ruppel, Bureau of Economic Geology,
PBGSP Annual Meeting, 2/27-28/06, Austin, TX
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LOG IDENTICATION OF FACIES CYCLCITY
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(No Transcript)
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Stephen C. Ruppel, Bureau of Economic Geology,
PBGSP Annual Meeting, 2/27-28/06, Austin, TX
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WICHITA FACIES
Cycle-capping Tidal Flat Facies
Fenestral Fabric
Separate vug porosity
Porosity 15.2 Permeability 1.7 md
5 cm
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WICHITA FACIES
Tidal Flat Facies
Laminated Mudstone
Intercrystalline Porosity
Porosity 13.8 Permeability 0.93 md
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Peloidal Dolopackstone
Wichita
7095
Dominated by Rock Fabric Class 3
Porosity 16.0 Permeability 4.22 md
Peloidal Dolowackestone
Porosity 11.7 Permeability 0.68 md
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LOWER CLEAR FORK FACIES
Ooid/skeletal Lime Grainstone
Separate Vug Porosity
Porosity 23.1 Permeability 17 md
5 cm
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Skeletal/peloidal Lime Grainstone
Lower Clear Fork
Dominated by Rock Fabric Classes 1 2
Porosity 11.0 Permeability 0.54 md
61226857
Moldic
Peloidal Grain-dominated Dolopackstone
Porosity 11.7 Permeability 0.68 md
61226976
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LOWER CLEAR FORK FACIES
Cycle-capping Tidal Flat Facies
Fenestral Fabric
Separate vug porosity
Cycle Top
5 cm
Stephen C. Ruppel, Bureau of Economic Geology,
2003 UL/PTTC Workshop, Midland, TX
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Stephen C. Ruppel, Bureau of Economic Geology,
PBGSP Annual Meeting, 2/27-28/06, Austin, TX
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Stephen C. Ruppel, Bureau of Economic Geology,
PBGSP Annual Meeting, 2/27-28/06, Austin, TX
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CYCLE SCALE ARCHITECTURE
Subtidal Cycles
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Stephen C. Ruppel, Bureau of Economic Geology,
PBGSP Annual Meeting, 2/27-28/06, Austin, TX
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Wichita
Karst-related Breccias
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Stephen C. Ruppel, Bureau of Economic Geology,
PBGSP Annual Meeting, 2/27-28/06, Austin, TX
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SEISMIC ARCHITECTURE Fullerton Clear Fork Field
W
E
Tubb
Tubb
LCF
LCF
Wichita
Wichita
Abo
Abo
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Amplitude Extraction for L2.1 in Proposed Infill
Area
Existing good producer
Proposed wells
2813
2811
Proposed infill area
2913
2000
3D survey
3015
2910
3013
Phase 2 study area
Unit outline
3115
3113
18000
N
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KEY ISSUES LEONARD CARBONATES

1. Facies
2. Diagenesis
3. Identification of Rock Fabrics
4. Mineralogy
5. Karst?
6. Correlation
7. Architecture
8. Reservoir Framework