The cost of drilling a 2000-metre (6562-foot) horizontal well in the US averages $3.9 million compared with $11 million in Poland, said Peter Richter, global unconventional technology and marketing manager at Schlumberger, according to a Bloomberg report.

Richter was speaking this week at the Shale Gas World Europe 2011 conference in Warsaw.

Shale gas has boosted US production and damped prices. Companies including ExxonMobil and Chevron seek to emulate the US boom in Poland, Europe’s biggest holder of the unconventional gas.

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