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Abstract

Shale gas exploration commenced in the Bowland basin of NW England with the Preese Hall 1 discovery well in August 2010. Two more vertical wells and a 100km2 3D seismic have since been completed and an OGIP resource estimate of 200 TCF. Following the drilling of Preese Hall-1 a multistage hydraulic fracture program commenced in spring 2011. Associated with this fracturing activity, two felt seismic tremors occurred on April 1st (ML=2.3) and May 27 (ML=1.5). Hydraulic fracturing operations were paused and a detailed geomechanical study concluded that seismicity at Preese Hall-1 was induced by injection of fluid into a fault zone within the proximity of the well bore.

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/content/papers/10.3997/2214-4609.20131181
2013-06-10
2024-03-28
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.20131181
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