Three environmental groups on Monday sent an intent-to-sue letter to the Department of Interior (DOI) for not listing sage grouse as an endangered or threatened species. Sixty days’ notice is required ahead of filing a lawsuit under the Endangered Species Act (ESA). The Center for Biological Diversity, Desert Survivors and Western Watersheds Project said the lawsuit would be filed in a still-to-be-determined federal court because DOI classified the sage grouse only as a candidate for protection under the ESA (see Daily GPI, March 8). Around 250 species considered candidates for protection have been on the list for decades, the groups said. DOI declined to comment because of its policy regarding litigation.

Linn Energy LLC has agreed to buy oil and natural gas properties in the Permian Basin for $305 million, subject to closing conditions. The seller wasn’t disclosed. Closing is expected by May 27 and will be financed with proceeds from borrowings under the company’s revolving credit facility. By mid-year Linn expects net production from the new properties to be about 2,800 boe/d, weighted 75% to oil. Proved reserves are about 18 million boe, with a reserve life of 17 years.

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