In a clearing in a cornfield in the Eagle Ford region of south Texas, the rig drilling the Sisti A3 well for ConocoPhillips looks very similar to the ones that have been working in the state’s shale reserves for more than a decade. But a mile or two

Source: www.ft.com

"Other shale companies have similar stories. Continental Resources, which has the largest acreage of drilling rights in the Bakken, is one of the leaders in experimenting with “downspacing”, fitting in more wells per square mile in the hope of recovering more oil from the most productive areas, all at a lower cost.

It has been running pilots of multiple wells in a honeycomb arrangement, with up to eight horizontal wells in an area that would previously have held no more than four, and three more sets of eight below them in a deeper formation called Three Forks."

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