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No One Knows How to Stop These Tar-Sands Oil Spills

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Tue, 2013-07-23 17:17 — Kathy Gilbeaux

      

Oil polluting the ground at Cold Lake in Alberta.  Photograph obtained by the Toronto Star

grist.org - by John Upton - July 22, 2013

Thousands of barrels of tar-sands oil have been burbling up into forest areas for at least six weeks in Cold Lake, Alberta, and it seems that nobody knows how to staunch the flow.

An underground oil blowout at a big tar-sands operation run by Canadian Natural Resources Ltd. has caused spills at four different sites over the past few months. . .

Media and others have been blocked from visiting the sites, but the Toronto Star obtained documents and photographs about the ongoing disaster from a government scientist involved in the cleanup, who spoke to the reporter on condition of anonymity.

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Environment
Pollution
Water
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Problem
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Environment - Global
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Tue, 2013-07-23 17:25 — Kathy Gilbeaux

 

Canadian Natural Resources said in an update Friday the oil and water leak at Primrose near Cold Lake has affected four hectares of slough.  Photograph by: Stuart Gradon

calgaryherald.com - by Dan Healing - July 2, 2013

CALGARY — “Bitumen emulsion” seeping from underground has affected some four hectares of slough at Canadian Natural Resources Ltd.’s Primrose thermal oilsands project in northeastern Alberta, the company said Friday.

In an e-mail reply to a Calgary Herald inquiry, the company said the mixture of heavy oil and water was discovered on Monday near Pad 22 on its Primrose thermal in situ oilsands project located on the Cold Lake Air Weapons Range.

“The cause of the occurrence is unknown and we are in the process of investigating,” the statement says.

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