More wells drilled per section plus more proppant doesn’t necessarily equal greater productivity.

At least that was the case for an operator targeting the Mississippian in a normal-pressured window of the Stack play in Oklahoma’s Kingfisher County.

“The operator increased [its] well spacing from six to eight wells per section. At the same time, [it] increased proppant intensity about 40%,” Sarp Ozkan, a senior oil and gas market analyst and manager of upstream and crude market efforts for Drillinginfo (DI), said on a webinar this week. “However, that resulted in about a 30% loss in productivity. … An aggressive development plan of increasing frac intensity and downspacing at the same time can greatly impact productivity to the negative side.”

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