The Times West Virginian

Local News

August 18, 2012

3 hurt in methane ignition, gas well fire

Crew in early stages at Marcellus shale site in rural Harrison County

By Vicki Smith Associated Press

MORGANTOWN — A spark from a natural gas drilling operation in north-central West Virginia ignited methane gas several hundred feet underground early Friday, sending up a fireball and triggering a blaze that officials said burned for about an hour on the floor of the rig.

Three workers were injured, two seriously enough to be airlifted to a hospital after the fire at the Antero Resources site near Sycamore in Harrison County. The fire was quickly extinguished and the well pad was in a rural area, so it posed no danger to the public.

Al Schopp, a vice president at Colorado-based Antero, said two men were flown to a burn unit in Pittsburgh, but he did not have immediate word on their conditions. The third victim was treated at a Clarksburg hospital and released.

All worked for Antero’s drilling contractor, Hall Drilling of Ellenboro. Officials with Hall didn’t immediately return a telephone call.

State Department of Environmental Protection spokesman Tom Aluise said the crew was in the early stages of drilling a Marcellus shale gas well. The drill was about 400 feet deep when they began to withdraw it, creating a spark that ignited the methane.

That created more of a fireball than an explosion at the Cottrill No. 3 well on Antero’s Southern pad, he said.

Aluise said Antero voluntarily shut down the operation, and a DEP investigation is under way. Schopp said the company is also investigating, but he had no further details.

The rig was damaged badly enough that a new one may need to be brought in, Aluise said, “if and when they resume drilling.”

In June, another Antero drilling operation triggered several backyard geysers when workers struck an aquifer in the Sardis area and inadvertently re-pressurized a handful of old water wells. Emergency management officials and residents said some were 10- to 12-feet high.

There was no interior damage in the affected homes. The residents’ wells had long been disconnected from indoor plumbing because their homes are all on a public water supply.

On July 31, the DEP ordered Antero to provide a detailed incident report, including a chart outlining the pressures involved, a list of the water wells that were affected and the current status of those wells.

The DEP also wants pre- and post-water analyses for each of those wells, along with a map showing their locations in relation to the well pad.

The letter from Office of Oil and Gas Director James Martin also demands information about any water wells that Antero drilled and a report that cites “any direct or indirect cause” and lays out what Antero will do in the future to minimize the likelihood of another incident.

Schopp said at the time that workers were drilling an initial hole with just fresh water and air when the bit became stuck. Rather than turn the air flow off, the crew left it on as they tried to withdraw the drill. That recharged the aquifer and trapped the air, which then sought a place to escape.

That accident happened thousands of feet above the targeted oil and gas deposits.

 

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