American Association of Petroleum Geologists

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March 15-18, 2004 • El Paso, Texas

Sponsored by AAPG Research Committee and Society of Petroleum Engineers (Gulf Coast and Permian Basin Sections)

Conference Conveners

Chip Feazel, Chair
ConocoPhillips (PR3062)
600 N. Dairy Ashford
Houston TX 77079
281-293-3036
Fax (281) 293-3833
Email

Alan P. Byrnes
Kansas Geological Survey
University of Kansas
1930 Constant Ave., Campus W
Lawrence, KS 66047-3726
785-864-2177
Fax: 785-764-5317
Email

Art Saller
Unocal Corp.
14141 Southwest Frwy.
Sugar Land, TX 77478
281-287-5251
Fax: 281-287-5407
Email

  • Jim Honefenger (Veritas)
  • Bob Leibrecht (ConocoPhillips)
  • Steve McCants (Occidental)
  • Bob Loucks (Texas Bureau of Economic Geology)

Program Committee:

Steve Bachtel
 (ExxonMobil)
Gregor Eberli
  (University of Miami)
Steve Ehrenberg
  (Statoil)
Bob Goldstein
  (University of Kansas)
Mitch Harris
  (ChevronTexaco)
Pat Hooyman
  (Schlumberger)
Ray Mitchell
  (ConocoPhillips)
Bill Morgan
  (ConocoPhillips)
Emily Stoudt
  (University of Texas Permian Basin)

 

Carbonate Reservoir Characterization and Simulation:
From Facies to Flow Units

Review Abstracts

Conference Site and Dates:

El Paso, Texas, March 15-18, 2004.

Conference Goals:

Encourage cross-disciplinary discussion and sharing of experience in describing, quantifying, and modeling petroleum reservoirs in carbonate rocks. Particular emphasis will be placed on:

  • Field development case histories involving reservoir characterization
  • Workflows from conceptual models to flow simulation
  • Results-oriented presentations (OOIP or reserves changes ascribed to reservoir characterization or simulation)
  • Modeling reservoir heterogeneity on the basis of limited hard data
  • Critical factors for simulating fluid flow
  • Unique aspects of carbonate reservoirs
  • Integration of geology, geophysics, geochemistry, and reservoir engineering

Discussion:

Constructing geocellular and flow simulation models of carbonate reservoirs commonly requires workflows and methods somewhat different from those used to model siliciclastic reservoirs. In contrast to sandstones, carbonate reservoirs have more variable stratal architecture, increased vertical and lateral heterogeneity, more complex pore networks and diagenetic histories, and different responses to structural deformation. Successfully capturing these details and preserving them through upscaling is the key to creating flow models that can be reliably matched to production history and run in forward-mode to predict production profiles.

This conference will consist of presentations to small groups, in order to facilitate discussion. Each presenter will have space to include core, posters, or other supporting material. In addition, field trips to classic carbonate outcrops will be offered mid-week and at the end of the conference. Particular value is placed on having engineers participate in the outcrop discussions with their geoscience colleagues. Planned excursions include:

  • Franklin Mountains (karst breccias in Ordovician Ellenburger Fm.)
  • Sacramento Mountains (large-scale Mississippian/Pennsylvanian mound heterogeneity and geometry)
  • McKittrick Canyon + Carlsbad Caverns (basinal slope, fore-reef, reef crest, back-reef facies)
  • Algerita Escarpment (San Andres stratiform reservoirs) + optional visit to Carlsbad Caverns

Session topics may include:

  • Case histories (results-focused)
  • Workflows (process-focused)
  • Stochastic vs deterministic modeling (and upscaling issues)
  • Fractures in flow models
  • Application of outcrop analogs in reservoir simulation
  • Critical factors in flow simulation
  • Reservoir characterization methods
  • Reconciling geology to fluid flow

 

American Association of Petroleum Geologists
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