ShaleTech: Woodford - Play extensions result in more liquids production

In 2005, when shale exploration was taking off, with the Henry Hub gas price above $13/Mcf, Woodford was just plain Woodford. After gas prices cratered in 2009, operators focused their attention on the Cana Woodford, the liquids-rich shale play in Canadian County, Okla. The continuing search for liquids opened up a new area called SCOOP (South Central Oklahoma Oil Project), featuring a 400-ft, liquids-rich shale section with two targets—upper and lower Woodford. Most recently, Newfield Energy has extended its operations north of Canadian County into an area it calls STACK, which provides access to 700 ft of an oil-saturated column in several Woodford shales and—get this—Meramec shale, Fig. 1. As such, the Woodford is growing both geographically, throughout south-central Oklahoma, and geologically into deeper shales. Newfield and other operators will now be able to exploit stacked shales to produce oil and condensates for decades to come. If the Henry Hub natural gas price remains above $4/Mcf for a sustained period, some of the dry gas areas of the Woodford will, once again, become commercially viable.

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