Drill baby drill or is leak baby leak
Phyllis Mains wrote:
>
> ANCHORAGE, Alaska - Crews on Wednesday were continuing to remove snow
> contaminated with oil from an area around a well house where a pipe
> broke in the Prudhoe Bay oil field.
>
> Tom DeRuyter, the state's on-scene spill coordinator, said the area
> around the well house is misted with oil. He said 72 cubic yards of
> contaminated snow - most of it from the well house's gravel pad - have
> been removed but there is more to go.
>
> The spill was discovered Monday morning by a BP oil field operator
> doing a routine inspection. The break in the 6-inch line occurred
> where the production line left the well house.
>
> The cause of the break is not yet known, DeRuyter said.
>
> "The case is going to be under investigation as to why the line
> parted," he said.
>
> BP spokesman Steve Rinehart said the well line broke at a weld and
> released an estimated 3 gallons of oil and 131 gallons of water. The
> estimation was reached by considering how much oil and water the pipe
> normally carried and how quickly the automatic shut-off valve worked,
> he said.
>
> Rinehart said the pipe carried 98 percent water. A test in
> mid-December showed it took the valve 30 seconds to close, he said.
>
> Spill responders have delineated the spill area and marked it with
> stakes in the event it becomes covered in snow, DeRuyter said.
>
> The area of the spill appears to cover about five acres with the
> heaviest coating of oil closer to the well house and a gravel pad,
> where an estimated 14,000 square feet was contaminated. The other
> areas of contamination are about 50,000 square feet in a reserve pit
> and about 158,000 square feet of snow-covered tundra.
>
> The line that broke carried a mixture of crude oil, produced water and
> gas. DeRuyter said the contamination appears to be oil.
>
> "It is all misted oil," he said.
>
> DeRuyter said when oil is released under pressure it forms an aerosol
> and is carried by the wind. The outer edges of the contaminated area
> are a very faint gray, he said.
>
> Front loaders were being used Wednesday to scoop up the contaminated
> snow and take it to a facility for disposal.
>
> "The clean up is well under way," Rinehart said.
>
> BP operates the Prudhoe Bay oil field - North America's largest oil field.
>
> Last month, one of the North Slope's biggest spills - 46,000 gallons
> of oil, water and natural gas - was reported at the Lisburne oil
> field, another BP-operated site. That spill occurred when an 18-inch
> line split on Nov. 29. The cause of that spill is believed to be ice
> buildup in the line.
>
> Lois Epstein, an Anchorage consultant on pipeline safety, said the
> recent spills highlight a long-standing problem on the North Slope in
> certain pipelines that carry oil, gas and water. For decades those
> lines, unlike transit lines that carry oil after processing, have been
> unregulated by the federal government, she said. The flow lines were
> placed under state regulation only recently.
>
>
>
>
> ____________________________________________________________
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