Reservoir characteristics and production potential of the Woodford Shale ///

The Woodford Shale is an attractive target for unconventional oil and gas development because it is a mature source rock that is widely distributed throughout the southern midcontinent, and because it locally produces oil and gas from naturally fractured intervals in conventionally completed wells.1 In addition, drilled intervals yield oil shows from cuttings and cores, and produce a gas response on mudlogs, confirming that the Woodford Shale contains anomalously high oil and gas. Finally, the Woodford play that has developed in Oklahoma (279 wells drilled from 2004 to 2007 with cumulative production of nearly 64 Bcf gas and 66,538 bbl oil/condensate)2 confirms the commercial viability of the Woodford and provides incentive for additional exploration and development. The following provides a regional overview of the oil and gas producing potential of the Woodford Shale in the US southern midcontinent. The article focuses on the Anadarko and Permian Basin depocenters and adjacent provinces.

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