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Home > Products > Geochemical Services > Petroleum Exploration > Case Histories > Custer/Roger Mills Counties, Oklahoma, USA
Custer/Roger Mills Counties, Oklahoma, USA
Geology:
- Anadarko Basin
- Target: Pennsylvanian Red Fork gas – 15,000 ft
- Hydrocarbon accumulations are trapped stratigraphically in an extensive channel system present over much of the basin
 
Survey Summary
- Nine GORE™ Surveys over three years included over 2,500 samples
- Reconnaissance samples: 600-800 ft grid spacing
- Detailed survey samples: 200-400 ft grid spacing
- 120 mi2 coverage
Survey Results
- Thirty wells drilled in conjunction with the information provided by the GORE™ Survey
- of the 22 wells drilled in areas identified by GORE™ Survey as geochemically similiar to Red Fork gas: 21 produced commercial quantities of gas; one was dry
- Of the eight wells drilled in areas identified by GORE™ Survey as having no hydrocarbons: five were P&A; three were gas (however, one failed to repay completion costs)
- 87% success rate! GORE™ Survey is able to find charged areas of the sandstone channel
- Client's net sand thickness isopach based on wells drilled post-survey closely matches the GORE™ Survey result
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