Horizontal drilling isn't new. Such wells have been drilled for the better part of a century. But combining it with hydraulic fracturing to produce gas and oil from shale is a far more recent ...

HOUSTON, Oct. 29-- Encore Acquisition Co., Fort Worth, plans to apply a 22-stage frac in a Three Forks-Sanish (TFS) horizontal well in the Williston basin in order to compare single-stage and ...

At-a-Glance: Solid expandable tubulars (SET) are run smaller and plastically expanded in-situ with a swage to restore or create a near-monobore inside existing casing or open hole. In fracturing, they ...

Horizontal drilling on the Onnagawa formation of the Fukumezawa oilfield is expected to start in late May as part of this multi-stage fracking pilot programme. To minimise the environmental impact, ...