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Dates for my 2012 seminars.

Fields of Specialization and Projects

> Carbonate Sedimentology

> Carbonate Petrology

> Regional Integrated Studies and Basin Analysis

> Teaching Basic and Advanced Seminars in Carbonate Geology

> Expert Witness in Oil and Gas Litigation

CONSULTING PROJECTS

• Evaluation of depositional facies, diagenesis and reservoir quality of Devonian Grosmont Formation dolostones, Alberta, Canada (Current; Husky Energy, Calgary).
• Documentation of facies and porosity in cores from the Buda and Austin Chalk Formations, and their relationship to volcanic activity in south Texas (Current; Chesapeake Energy, Oklahoma City).
• Evaluation of depositional facies, diagenesis and reservoir quality of Devonian Grosmont Formation dolostones, Alberta, Canada (2009-2011; Suncor Energy, Calgary).
• Evaluation of the facies, diagenesis and reservoir quality of Mississippian carbonates and cherts, northern Midland Basin, Texas (2011; Marshfield Oil & Gas, Houston).
• Thin section petrography of selected Devonian Keg River samples from the Firebag area, Alberta (2011; Suncor Energy, Calgary).
• Evaluation of the reservoir quality of core chips from Permian carbonates in the TEW-E well, Thailand (2011; TATEX Thailand).
• Description of core and thin section petrography from the Wabash N1-5 Well, Silurian/Devonian Nevins Field, Illinois Basin, Edgar County, Illinois (2010-2011; Voyager Midstream, Houston).
• Description of core and thin section petrography from the Wabash E2-2 Well, Silurian/Devonian Elbridge Field, Illinois Basin, Edgar County, Illinois (2010-2011; Voyager Midstream, Houston).
•      Core description and evaluation of reservoir quality of the Pearsall Formation in the Pena Creek well from Dimmit County, Texas (2010-11; Chesapeake Energy, Oklahoma City).
• Evaluation of reservoir quality of the Buda Formation in the Traylor North well Texas (2011; Chesapeake Energy, Oklahoma City).
• Diagenesis and porosity evolution of Devonian Swan Hills Formation samples from Deer Mountain Field, Alberta (2010-2011; Arcan Resources, Calgary).• Evaluation of Core and thin sections from the Amoco Morris B-1 well, Mississippian of west Texas (2010; Marshfield Oil & Gas, Houston).
• Diagenesis and porosity evolution of Devonian Swan Hills Formation samples from Deer Mountain Field, Alberta (2010; Arcan Resources, Calgary).
• Petrographic evaluation of facies, diagenesis and reservoir quality, Devonian Jean Marie Formation, British Columbia (2010; Husky Energy, Calgary).
• Documentation of facies and reservoir quality in core from the Los Cuatros Field, Maverick Basin, Texas (2010; Chesapeake Energy, Oklahoma City).
• Evaluation of depositional facies, diagenesis and reservoir quality of Devonian Grosmont Formation dolostones, Alberta, Canada (2009-2010; Suncor Energy, Calgary).
• Depositional facies and reservoir quality of Edwards carbonates recovered in the G.E. Light #1 well, Dimmit County, Texas (2009-2010; Thunder Exploration, Houston).
• Evaluation of facies and reservoir quality of the Silurian/Devonian Nevins and Elbridge Fields in the Illinois Basin, Edgar County, Illinois (2009-2010; Voyager Midstream, Houston).
• Petrographic evaluation/documentation of Knox dolostone cores, Kentucky (2009-2010; ConocoPhillips, Inc., Houston).
• Discussion of strategies for developing Cretaceous Pettet production in southeast Texas (2009; Cabot Oil & Gas; Houston).
• Feedback on Permian Yeso Reservoir Development (2009; Concho Resources Midland).
• Petrographic determination of depositional facies, diagenesis and reservoir quality of the Eagleford Formation in south Texas (2009; ConocoPhillips, Inc., Houston).
• Permian carbonate play potential in Poland and Germany (2009; Aspect Energy, Denver).
• Evaluation of Trenton limestones from the Sierra Resources Watts #1 well, Decatur, Indiana (2009; Sierra Resources and Chesapeake Energy, Houston).
• Petrographic Evaluation of Permian Wolfcampian carbonate turbidite samples, west Texas (2008-2009; Chesapeake Energy, Oklahoma City).
• Evaluation of the diagenesis and porosity evolution of Mississippian Banff samples, Twinning Field, Western Canada (2008-2009; EOG Resources, Calgary).
• Summary of Devonian Jean Marie facies, diagenesis and porosity evolution (2008; Encana, Calgary).
• Evaluation of a Permian Khuff carbonate prospect, offshore Qatar (2008; Hess Corp., Houston).
• Petrographic evaluation/documentation of thin section data from the Permian Khuff Formation, Qatar (2005-2008; ConocoPhillips, Inc., Houston).
• Facies and reservoir quality of core samples from the Marchant 2-16 well, Alabama (2008; Chesapeake Energy, Charleston W.V.).
• Petrographic analyses of wells cuttings from two Austin Chalk wells, Polk County, Texas (2008; Meridian Resources, Houston).
• Evaluation/documentation of core and thin section data from the Cretaceous Edwards Group, south Texas (2008; Aspect Energy, Inc., Denver).
• Petrographic evaluation/documentation of thin section data from the Permian Khuff Formation, Qatar (2005-2008; ConocoPhillips, Inc., Houston).
* Facies and reservoir quality of core samples from the Marchant 2-16 well, Alabama (2008; Chesapeake Energy, Charleston W.V.).
* Petrographic analyses of wells cuttings from two Austin Chalk wells, Polk County, Texas (2008; Meridian Resources, Houston).
• Petrographic evaluation/documentation of Knox dolostones, Kentucky (2008; ConocoPhillips, Inc., Houston).
* Review of Permian Wolfcampian carbonate turbidite prospects in west Texas (2008; Chesapeake Energy, Oklahoma City).
* Evaluation of the diagenesis and porosity evolution of Mississippian Banff samples, western Canada (2008; EOG Resources, Calgary).
* Evaluation of facies and porosity evolution from a Permian lower Clearfork core, west Texas (2008; Trek Oil and Gas, Houston).
* Review of Bakken Dolostone play, Williston Basin (2007; EOG Resources, Denver).
* Petrographic evaluation of upper Paleozoic samples, Kingfisher County, Oklahoma (2007; Oklahoma Energy Acquisitions, LP, Houston).
* Diagenesis and porosity evolution of the Devonian Jean Marie Formation, western Canada (2007; Encana Corporation, Calgary).
* Review of Permian and Pennsylvanian carbonate and chert plays in west Texas 2007; (EOG Resources, Midland).
* Overview of Austin Chalk deposition and diagenesis and porosity evolution in south Texas (2007; Conoco Phillips Company, Houston).
* Evaluation of the play potential of samples from the Cretaceous Edwards Group, Karnes County, Texas (2007; Houston Energy, Houston).
* Evaluation of the play potential of the Mississippian and Devonian sequences of western Canada (2007; Suncor Energy, Calgary).
* (Evaluation of Cretaceous Edwards prospects in south Texas (2007; Houston Energy, Houston)
* Petrography of Jurassic samples from the Greystone Oxy 19-1 #1 well, Louisiana (2007; Greystone Oil and Gas, Houston).
• Evaluation of Carbonate Play Concepts in the Cretaceous Edwards Limestone, south Texas (2007; Broad Oak Energy, Dallas).
• Depositional Facies and Porosity Evolution of Ellenburger Dolostone Samples (2007; Cano Petroleum, Ft. Worth).
• Core and petrographic evaluation of Permian Wolfcampian, Clearfork and San Andres reservoirs, west Texas (2007; Trek Oil & Gas, Houston).
• Depositional Facies and Diagenetic History of the Permian Belloy Formation, western Canada (2007; Encana Corporation, Calgary).
• Evaluation of Jurassic Smackover samples, northern Louisiana (2006; Greystone Oil & Gas, Houston).
• Petrographic evaluation of Mississippian carbonates from the Banff Formation, Alberta (2006; Suncor Energy, Calgary, Alberta).
• Review of Paleocene carbonate play concepts, Sirte Basin, Libya (2006; Occidental Oil & Gas, Houston).
• Diagenesis and porosity evolution of Permian gas reservoirs and controls on paleotraps, Khorat Plateau, Thailand (2005-2006; APICO/NuCoastal, Denver, Colorado).
• Depositional and diagenetic controls on porosity evolution, Mississippian Debolt dolostones, NE British Columbia (2005; Devon Energy, Inc., Calgary).
• Depositional and diagenetic controls on porosity evolution, Devonian Slave Point Formation, NE British Columbia (2005; BG Canada Exploration and Development, Inc., Calgary).
• Evaluation of the hydrocarbon potential of Tertiary and Cretaceous sequences on Saba Bank, offshore Anguilla (2005; Anguilla Capital Corporation, Anguilla, Dutch West Indies).
• Evaluation of the depositional facies, diagenesis and porosity evolution of Pennsylvanian Marble Falls Formation carbonate sidewall cores from the Bend Arch area, Ft. Worth Basin, Stephens County, Texas (2005; McClymond Ltd, Breckenridge, Texas).
• Petrological evaluation of Cretaceous Georgetown Formation cuttings samples from Dimmit County, Texas (2005; ECL Blue Star Operating Co., Dallas).
• Depositional facies, diagenesis, and controls on porosity evolution, Mississippian Elkton dolostones, western Canada (2005; Suncor Energy, Inc., Calgary).
• Evaluation of Tertiary reef prospects, offshore Nicaragua (2004; Energy Partners, Ltd, New Orleans).
• Potential oolitic sand plays on the Scotian Shelf - observations and analogues (2004; Encana Corporation, Calgary).
• Evaluation of surface encrusters on marine hardgrounds, and composition of sediment samples, offshore Morocco seamount (2004; Omni, Houston).
• Petrology of selected Mississippian Banff samples, western Canada (2004; Suncor Energy, Inc., Calgary).
• Prospect evaluation of Cretaceous carbonate plays in the Maverick Basin, southwest Texas (2004; Vintage Petroleum, Tulsa).
• Evaluation of the depositional facies, diagenesis and porosity evolution of Pennsylvanian Marble Falls Formation carbonates and cherts from the Bend Arch area, Ft. Worth Basin, Stephens County, Texas (2004; McClymond Ltd, Breckenridge, Texas).
• Petrological evaluation of samples from the Blue Star Operating Co. Taylor 1-132 well, Maverick County, Texas (2003-2004; ECL Consulting & Blue Star Operating Co. Houston and Dallas).
• Diagenesis and porosity evolution of Jurassic Abenaki carbonates in Well-70, Panuke Field, offshore Nova Scotia - integrated petrography and geochemistry (2003-2004; Encana Corporation, Calgary).
• Evaluation of Devonian pinnacle reef play potential in the Black Warrior Basin, Alabama (2003; SKH Inc., Houston).
• Documentation of depositional facies, diagenesis and reservoir quality in the Pennsylvanian upper Topeka limestones of the Taylor B-4 well, Oklahoma (2003; OXY USA, Houston).
• Regional facies and play relationships in the Cretaceous Glen Rose Formation, Maverick Basin, South Texas (2001-2003; Doughtie Exploration; The Exploration Company; Saxet Energy, Houston).
• Evaluation of Silurian and Devonian reservoir potential in the Black Warrior Basin of Alabama (2003; Fairways Offshore Exploration, Houston).
• Depositional setting and porosity evolution of Devonian Swan Hills Formation, western Canada (2003; Burlington Resources, Calgary).
• Depositional facies, diagenesis and porosity evolution of Devonian Blueridge dolostones, western Canada (2003; Burlington Resources, Calgary).
• Evaluation of depositional facies and reservoir quality in the Mississippian Banff Formation, western Alberta, Canada (2003; Suncor Energy, Calgary).
• Petrographic evaluation of Devonian limestone and dolostone reservoirs, Slave Point Formation, Canada (2003; ENCANA Corporation, Calgary).
• Evaluation of cores from Nexen’s Viosca Knoll 610 well, Cretaceous James Limestone, western Florida Platform, Louisiana State waters ( 2002-2003; Nexen Petroleum, Dallas).
• Facies and reservoir quality expressed in rotary cores of Cretaceous James and Rodessa limestone sequences, Louisiana (2002-2003; El Paso Production, Houston).
• Evaluation of Cretaceous Main Pass wells and implications for James Limestone prospects along the western Florida Platform (2002; Nexen Petroleum, Dallas).
• Depositional facies and reservoir quality in the Mississippian Banff Formation, western Alberta, Canada (2002; Suncor Energy, Calgary).
• Origin of dolomitization and associated porosity, Slave Point Formation, Beaverhill Lake Group, Canada (2001; Husky Energy, Calgary).
• Controls on reservoir quality in lower Paleozoic Bromide dolostones, Wilburton Field, Oklahoma (2001; BP-AMOCO, Houston).
• Evaluation of depositional facies and controls on James Limestone reservoir quality, Well VK 565#1, Eastern Gulf of Mexico (2001; Nexen Petroleum, Dallas)
• Diagenesis and porosity evolution of Jurassic Abenaki carbonates, Panuke Field, offshore Nova Scotia - implications for controls on reservoir quality (2001; PanCanadian, Calgary)
• Depositional facies and porosity evolution of upper Devonian sequences from cuttings, western Canada (2001; PanCanadian Petroleum, Calgary).
• Documentation of regional play relationships, Blueridge Formation, western Canada (2001; Suncor Energy, Calgary).
• Controls on porosity evolution of Leduc dolostones, western Canada (2000; PanCanadian Petroleum, Calgary).
• Play evaluation for the upper Cretaceous Nafoora-Augila Field, Libya (2000; Occidental Oil and Gas, Houston).
• Depositional facies and controls on porosity evolution of Devonian Blueridge dolostones, western Canada (2000; Post Energy, Calgary).
• Depositional setting and porosity evolution of Devonian Swan Hills Formation, western Canada (2000; Coastal Oil and Gas, Calgary).
• Evaluation of depositional and structural controls on reservoir development, Cretaceous Glen Rose Formation, Maverick Basin, Texas (2000; The Exploration Company, San Antonio).
• Depositional facies and reservoir quality, Mississippian Banff Formation, western Alberta, Canada (2000; PanCanadian Petroleum, Calgary).
• Depositional facies and reservoir quality, Devonian Wabamun Formation, western Alberta, Canada (2000; PanCanadian Petroleum, Calgary).
• Evaluation of a Paleocene chalk play, southeast Louisiana (2000; AEC, Calgary)
• Regional evaluation of the Upper Jurassic Haynesville Formation, Overton Field Area, East Texas: controls on play development in oolitic sands (1999 - 2000; Pioneer Natural Resources, Dallas).
• Evaluation of the Cretaceous James Limestone, eastern Gulf of Mexico, offshore Mississippi (1999; OXY USA, Houston).
• Determination of depositional facies and reservoir quality from cuttings of the Pettet Formation, Pioneer Natural Resources Arp Gas Unit #1 Well and UPRC Hammerhead Well, Smith County, Texas (1999; Pioneer Natural Resources, Dallas).
• Controls on play development in the Mississippian Elkton Formation dolomites, western Alberta (1999; Suncor Energy, Calgary).
• Evaluation of Jurassic Abenaki Formation samples from offshore Nova Scotia, Canada: depositional facies, porosity evolution and play potential (1999; PanCanadian Petroleum, Calgary).
• Petrology of Devonian Wabamun and Blueridge samples from western Alberta, with emphasis on depositional setting and reservoir quality (1999; PanCanadian Petroleum, Calgary).
• Depositional setting, diagenesis and porosity evolution of selected samples from the Mississippian Pekisko and Banff Formations, western Canada (1999; PanCanadian Petroleum, Calgary [two separate studies] ).
• Petrographic determination of depositional environments and reservoir quality of Devonian Wabamun core and cuttings samples, western Canada (1999; Suncor Energy, Calgary).
• Depositional facies and physiographic setting of massive Devonian Swan Hills dolomites, western Canada (1999; Suncor Energy, Calgary).
• Diagenetic history and controls on porosity evolution of Devonian Swan Hills and Blueridge Formations, western Canada (1999; Suncor Energy, Calgary).
• Petrographic evaluation of Cretaceous samples from the Neuquen Basin, Argentina (1999; Unocal, Houston).
• Preliminary evaluation of the diagenetic history of Cretaceous carbonates, Block 9, offshore Angola (1998; Texaco, Houston).
• Depositional facies and diagenetic history of Leduc and Wabamun limestones and dolomites from Alberta, Canada (1998; PanCanadian Petroleum, Calgary).
• Diagenetic influences on the log response of Swan Hills dolomites, Alberta, Canada
(1998; Suncor Energy Inc., Calgary).
• Controls on reservoir quality, Wabamun Formation, Alberta, Canada (1998; AEC West, Calgary).
• Depositional facies and reservoir quality of the Cretaceous Edwards #1 J.V. Isaacks well, Live Oak County, Texas (1998; Hanson Production Company, San Antonio).
• Smackover depositional facies and reservoir quality, east Texas (1998; Wagner & Brown, Houston).
• Petrographic evaluation of Tertiary limestones from the Andaman Sea (1998; UNOCAL, Houston).
• Play potential of Cretaceous Albian carbonates, offshore Angola (1997 - 98; Mobil Oil New Exploration Ventures, Dallas).
• Evaluation of the reservoir potential of the Devonian Wabamun and Swan Hills Formations, Alberta, western Canada (1997; Suncor Energy, Inc., Calgary).
• Petrographic evaluation of the facies, diagenesis, and porosity evolution of the upper Devonian Jean Marie and Wabamun Formations, N.E. British Columbia (1997; PanCanadian Petroleum, Calgary).
• Petrographic evaluation of the facies, diagenesis, and porosity evolution of the upper Devonian Jean Marie Formation, N.E. British Columbia (1997; Wascana Energy, Calgary).
• Evaluation of Jurassic and lower Cretaceous plays in the Rovuma Basin from seismic data, Mozambique (1997; Lonropet, Australia).
• Facies, depositional cyclicity, and porosity evolution of the Cretaceous Sunniland Field, Collier County, south Florida (1996-97; Plains Resources, Houston).
• Petrographic evaluation of the facies, diagenesis, and porosity evolution of the Slave Point Formation, Alberta, Canada (1996-97; Wascana Energy, Inc., Calgary).
• Controls on play development in the Devonian Wabamun sequence, Alberta, Canada
(1996-97; Wascana Energy, Inc., Calgary).
• Core study of facies and reservoir quality, Sunniland Formation, south Florida (1996; Meridian Oil and Plains Resources, Houston).
• Evaluation of Pennsylvanian dolomites, Four Corners Platform, New Mexico and Colorado (1994-96; Meridian Oil, Houston).
• Evaluation of Devonian Slave Point Dolomite Plays, N.E. British Columbia (1995; Poco Petroleums, Calgary).
• Regional evaluation of Cretaceous Edwards limestones, S. Texas (1995; Anadarko, Houston).
• Petrographic evaluation of the facies, diagenesis, and porosity evolution of the upper Devonian Jean Marie Formation, N.E. British Columbia (1995; Wascana Energy, Calgary).
• Petrographical evaluation of the Wristen Formation, West Devonian Field, Yoakum County, Texas (1995; Apache Corporation, Houston).
• Thin section petrography of Jurassic Arenque Field, Offshore Mexico (1994; Pemex).
• Evaluation of the Cretaceous Isis Reef Reservoir, Offshore Tunisia (1993-94; Samedan International, Houston).
• Evaluation of Devonian Reservoirs in Timan-Pechora Basin, Russia (1992-93; Saga Petroleum; Shell International; Oslo and The Hague).
• Facies and Porosity Evolution of Ordovician Carbonates from the Appalachian Basin
(1993; Meridian Oil, Houston).
• Regional Evaluation of the Stuart City (Edwards) Reef Trend in South Texas (1991-92).
(project as expert witness in oil and gas litigation).
• Timing of Porosity Development in the Ellenburger Group, West Texas and Evaluation of the Subaerial Karst Model (1990-91; Canadian Hunter Ltd., Calgary).
• Regional Facies, Depositional Cyclicity and Reservoir Quality of Upper Pennsylvanian Carbonates on the Eastern Shelf and Horseshoe Atoll area, Texas (1990-91; Canadian Hunter, Calgary).
• Evaluation of Reservoir Quality in the Smackover Formation, Alabama and Mississippi (1990-91; Canadian Hunter Ltd., Calgary).
• Evaluation of Reservoir Quality in Cretaceous Sligo Carbonates, South Texas (1990; Canadian Hunter, Calgary).
• Evaluation of the Diagenesis and Reservoir Quality of Selected Samples from the Arbuckle Group, Arkoma Basin, Oklahoma and Arkansas (1990; Exploration Methods Inc., Denver).
• Diagenesis of Middle Devonian Reservoirs and Controls on Pool Entrapment, Rainbow Subbasin, Western Canada (1989-90; for Esso Resources Canada Ltd., Calgary)
• Evaluation of Reservoir Quality in Cenozoic Carbonates from New Zealand (1989).
• Evaluation of Facies and Reservoir Quality of Pennsylvanian Dolomitized Cuttings Using Fluorescence Microscopy (1989; Fina, Midland).
• Regional Jurassic and Cretaceous Carbonate Play Evaluation of the Eastern Gulf of Mexico (1988; for BHP Americas, Houston).
• Reservoir Evaluation of the Permian San Andres Seminole Field, Gaines County, Texas (1987-88; for Amerada Hess, Marathon and Arco, Littleton, Colorado).


Dravis Interests and Dravis Geological Services can be contacted by email, by phone at (713) 667-9844, or by mail at 4133 Tennyson St., Houston, Tx 77005-2749.