The Exploration, Appraisal and Development of Unconventional Reservoirs: A New Approach to Petroleum Geology DUG Permian Basin April 3rd, 2013 Richard Stoneburner Senior Advisor: Pine Brook Partners Director: Newfield…
Contrasting the Methods of Exploration Conventional Unconventional Project identification focuses Project identification focuses outside in inside out Seismic control works outside Seismic control works inside in out…
Prospect Identification: Conventional Analogy K2 Shenzi Prospect Neptune Mad Dog Atlantis 0 20000 Discoveries US feet Deep Water Gulf of Mexico Prospect Structurally controlled and supported by local analogs At time…
Prospect Identification: Unconventional Analogy GUADALUPE GONZALES BEXAR LAVACA WILSON DEWITT FRIO VICTORIA ATASCOSA ZAVALA GOLIAD MAVERICK CHOKE CANYON BEE RESERVOIR COLETO CREEK DIMMIT RESERVOIR LIVE…
Case Study for Unconventional Exploration: Hawkville Field In early 2008 the CEO of Petrohawk charged the Exploration team to find another Haynesville-like play We targeted the Eagle Ford Shale based on its significance as a…
Hawkville Field in Early 2008 X/Y: 1454700 1459700 1464700 1469700 1474700 1479700 1484700 1489700 1494700 1499700 1504700 1509700 1514700 1519700 1524700 1529700 1534700 1539700 1544700 1549700 1554700 1559700…
Key Finding 1: World Class Petrophysical Properties Atascosa_bee_dewitt_gonzales_liveoak_lasalle_maverick_webb_wilson Swift Primarily oil Pielop 1 Significant portions Well was drilled in the early Depth(ft) Log de-risked GR…
Key Finding 2: Positive Geochemical Analysis Phillips LaSalle 1 D&A in 1952 Eagle Ford Shale Gas Risk Assessment Diagram TOC (0-5) AC EFS Tr (50 100) Ro (0.2 2.2) Minimum Threshold BUDA Phillips LaSalle 1 Tmax (435…
Hawkville Field in Late 2008 Petrohawk Energy Petrohawk Energy STS 1H Dora Martin 1H Spud Spud Date:07/2008 Date:09/2008 st 1 Prod: 10/2008 1st Prod: 01/2009 Fall 2008 Petrohawk Acreage Position 160,000 net acres DUG…
The Eagle Ford Shale in 2012 Eagle Ford Shale Competitor Map DUG Permian Basin Slide 11
A New Set of Lights From the Sky DUG Permian Basin Slide 12
Critical to an Effective Appraisal Program: Core Data and Core to Log Data There is nothing more critical to the evaluation of a shale resource than the extensive data gathered from whole core analysis: o Measurement of conventional…
Core to Log Process: Expanding the Data Set 1 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 GR-TOC PORO-PERM FRACTURE RES SATURATION LITHOLOGY PROPAGATION Top Shale Base Shale Rock properties TOC Sweetspot Frac…
An Example of Utilizing the Expanded Data Set Facies extracted from Crossplot F B YOUNGS MODULUS Cluster Analysis Poissons Ratio vs. C Youngs Modulus Lambda*Rho vs. Mu*Rho (or any other attribute E combination) A-2…
A Key Aspect of Quality Shale Reservoirs: Vertical Heterogeneity GR DEPTH 0 200 FT PS COREGR_ 0 api 200 PS K 72 SB PS PS K 69 SB PS PS 12750 PS PS PS PS PS PS PS P S 12800 K 65 MFS PS P S PS 12850 PS PS K 64…
Micro-Textural Relationships: The Importance of Scale 0.5 mm Standard 30 micron thick slide: Ultra Thin (20 micron) slide: No apparent grain support which Significant grain support which would suggest poor reservoir quality…
The Importance of Coarse Grained Constituents: Haynesville ShaleMINERALOGY by XRD (Elm Grove Plantation 63 Well) 10387.0 Bossier 10475.0 10643.0 10843.0 10925.0 Depth, feet 11029.5 11047.5 11065.0 Haynesville…
Eagle Ford: Mineralogical Variation Across the Trend Maverick Basin Area Hawkville Area San Marcos Area East Texas Area Clay content QTZ % increases from west to east 20% Kerogen content remains CARBONATE % 40% relatively…
The Importance of Stress Isotropic Tempered Glass: Not Anisotropic Natural Glass: Yes what we are looking for what we are looking for Courtesy of Core Laboratories DUG Permian Basin Slide 21
Permian Basin Appraisal Commentary The Good News: o Delaware and Midland Basin both offer an abundance of unconventional mudstone reservoir rocks: Avalon, Bone Springs, Wolfcamp and Cline Shales o The gross section is remarkably…
3D Seismic Data: Unconventional Approach is After Discovery, Not Before The cost of 3D seismic data is minimal in the total field development cost, but is not critical to the exploration process 3D seismic data is critical in…
Geo-Steering: An Important New Geoscience Skill Set Horizontal drilling creates significant geological challenges o Unforeseen dip changes and/or faults can cause a well to be out of zone for a large portion of a lateral The…
Stage by Stage Fracture Stimulation Montage: Geometric Completions vs Geologic Completions DUG Permian Basin Slide 25
Conclusions The industry has made remarkable strides in establishing commercial production from many different shale reservoirs in a short period of time The learning curve has been on the job training for all of the technical…
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