Emerging Unconventional Oil and Liquids-Rich Gas Targets J. Ross Craft, President & Chief Executive Officer DUG Conference April 19, 2011
Approach Resources A Texas and Permian Focused Company Areas of operation AREX highlights Enterprise value 960 MM 4.7 MBoe/d Q4 2010 production 59.7 MMBoe proved reserves 96% Permian Basin 52% Oil & NGLs 52% Proved developed No…
Approach Resources A Growth Story Reserve growth Production growth 60 7.0 55% Oil & NGLs 51% Oil & NGLs 6.0 50 5.0 40 4.0 30 3.0 20 Proved reserves (MMBoe) 2.0 Production (MBoe/d) 10 1.0 0 0.0 2004…
The Future of the US Domestic Oil and Gas Industry Despite government subsidies, it is still a small percentage of 51% imported from such countries as US energy source Venezuela, Nigeria, Saudi Arabia, Libya National security…
Oil Proved Reserves by Area (2009 US Lower 48) 343 1,058 855 52 17 10 50 66 8 488 20 376 264 2,835 24 802 780 29 252 53 5,496 480 1,000 MMBoe (25% of US Total Proved Reserves) 101 - 1,000 MMBoe 9 11 - 1,00 MMBoe US…
Changes in Oil Proved Reserves by Area (2008 to 2009 US Lower 48) 22 481 65 -1 8 -7 140 -16 12 -6 130 15 3 57 48 -2 -3 1 529 -7 (29% of US Total Reserve Growth) 100 MMBoe 6 1 100 MMBoe No Growth US Total crude…
Distribution of US Lower 48 Oil Fields Ranked in the Top 50 WILLISTON BASIN MICHIGAN BASIN GREEN RIVER UINTA-PICEANCE DENVER BASIN JULESBURG APPALACHIAN Belridge South BASIN BASIN Elk Hills ILLINOIS BASIN ANADARKO…
Permian Basin World Class Petroleum Basin That Keeps Giving Permian Basin 250 miles by 300 miles 1st commercial oil accumulation Northwest (Westbrook) discovered in 1921 Shelf Over 30 billion barrels of oil produced over last 90…
Wolffork Play An Oil Shale Resource Play in Southern Midland Basin System Series Basin Stratigraphic Unit Target Grayburg Guadalupian San Andres Southern Permian Clearfork / Spraberry Shale Midland Basin Leonardian Wolffork Oil…
AREX acreage is favorably located in Southern Midland Basin Wolfberry Well Winkler Midland Ector Sterling Coke Glasscock Midland Basin Wolfberry Play Upton Eastern Delaware Ward Shelf Basin Crane Wolfberry Play Tom Green…
Recent leasing activity in the Wolffork play Large independents and a major enter the Southern Midland Basin through UTs Lease Sale APPROACH ACREAGE EL PASO EOG PIONEER PIONEER CONOCO-PHILLIPS ANGELLE DONOHUE HIGHMOUNT…
Wolffork play recognition Why didnt others recognize the play Crockett County has been viewed as a gassy area when oil and gas price ratio ranges from 16 to 20, operators are pursuing oily plays Almost all published, regional maps…
AREX shale play evaluation process Creating value through detailed technical evaluation TOC Hydrocarbon generating potential R0 - Tmax - TAI Thermal maturity for hydrocarbon generation Shale Rock Properties Storage capacity…
Wolfcamp Shale a world class source rock in oil window Hydrocarbon Generating Potential Thermal Maturity R0 Good - Richness Fair Poor Excellent Baker A112 TOC (%) 2-10…
Storage space for oil and gas in Wolfcamp Shale Backscattered Electron Images Oil and Gas are stored in 3 forms in shale Matrix pore space Fractures Adsorption Core Porosity for Baker A112 12.0 10.9 10.5 10.4 10.1…
Storage space for oil and gas in Wolfcamp Shale cont. Oil and Gas are stored in 3 forms in shale Matrix pore space Core Photo Fractures Adsorption Image Log Numerous fractures can be seen from image log and core These natural…
Storage space for oil and gas in Wolfcamp Shale cont. Oil and Gas are stored in 3 forms in shale Matrix pore space Organic material in shale is not Fractures Adsorption only a source for hydrocarbon generation, but also a storage…
Creating value through detailed technical evaluation of Wolfcamp shale (contd) Hydrocarbon pathway to wellbore Wolfcamp shale components Depth (feet) W E likely high fracture density areas Porosity 4,000 7.0% Carbonate 26.2%…
Regional correlation University 40-13 1H 12.5 miles Baker A 112 Bailey 310 12.8 miles SW Irion Co Cinco Terry Ozona NE DPHI DPHI DPHI 0.3 -0.1 0.3 -0.1 0.3 -0.1 GR API NPHI GR API NPHI GR API NPHI 0 200 0.3 -0.1 0 200 0.3 -0.1 0…
Over 2,500 feet of gross pay in the Wolffork AREX Baker A 112 LLD OHMM DPHI BVW 0.2 20 200 2,000 0.3 -0.1 0.2 0 GR API MSFL OHMM NPHI Free Hydrocarbon 0 200 0.2 20 200 2,000 0.3 -0.1 0.2 0 0.2 20 200 2,000 0.3 -0.1 0.2 0 GR API…
Hydrocarbons in place estimate & potential well recovery Vertical well Hydrocarbons in Place / Potential Hydrocarbon Recovery Factor Well Spacing 640 Acre Reservoir Recoverable / Well Formation Oil MMBOE Acre Boe EQUIVALENT…
Technical analysis is supported by early drilling and recompletion results Wolfcamp horizontal (EOG 40-13-1H) Modeled after University 40-13-1H Initial Potential 163 BOE (Gas=37.2 BOE, NGLs=39.8 BOE, Oil=86 BO) Wolfcamp vertical…
Technical analysis is supported by early drilling and recompletion results Wolfcamp horizontal (EP 38-29-1H) Wolfcamp horizontal (EOG 40-14-2H) 4,000 Horizontal; 8 Frac Stages 6,700 Horizontal; 22 Frac Stages Iinitial production…
Oil shale play comparison How does the Wolffork play stack up against other commercial shale oil plays Barnett Oil SHALE Wolffork Bakken Eagle Ford Niobrara Combo BASIN Midland Williston Fort Worth South Texas DJ Basin Late…
Technical evaluation derisks Wolffork play concept Creating value through detailed technical evaluation TOC Hydrocarbon generating potential R0 - Tmax - TAI Thermal maturity for hydrocarbon generation Shale Rock Properties…
Key takeaways The WOLFCAMP Is located in one of the oldest and most prolific basins in the US a world class source rock with significant hydrocarbon-generating potential thermally matured and currently located in peak oil generation…