By Eric M. Johnson
Nov 23 (Reuters) - Five workers were injured after a fireand tank explosion at an Encana Corp natural gas fieldin western Wyoming on Friday, officials said.
Police said they received multiple calls about a blast atabout 10:18 a.m. local time at Encana's Antelope 91-29H facilityin the Jonah Field near Pinedale, about 230 miles (370 km) westof Casper in the western U.S. state.
One of the injured workers was airlifted to hospital incritical condition and the others were taken by ambulance to alocal clinic and hospital, said Bridget Ford, a spokeswoman forEncana Oil & Gas (USA) Inc, without giving further details.
"We know that some welding work was being conducted on thecondensate tanks on location, however the exact reason for theexplosion is not known at this time," she said.
Firefighters contained the blaze, which burned out by 1p.m., Ford added.
A drilling rig is operating near the facility where theincident occurred but it was not affected, she said, addingthere was no apparent environmental impact.
"Our thoughts are with our friends and co-workers that werehurt today, and their families, Ford said.
Encana and the contracting company are working with theOccupational Safety and Health Administration, which isinvestigating the incident, she added.
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