Riverstone Holdings LLC has committed to invest as much as $200 million in Kerogen Energy Holdings LLC, which is focused on US and Canada onshore unconventional oil and liquids exploration and production.

Total SA has no plans to make any more US shale acquisitions, at least for now, because the French oil and gas company already is satisfied with its international shale oil and gas holdings, executives said.

Summit Midstream Partners LLC, Dallas, agreed to acquire Canyon Pipeline LLC for $207 million from La Grange Acquisitions LP, a wholly owned subsidiary of Energy Transfer Partners LP.

Total SA outlined plans to sell $15-20 billion worth of assets by yearend 2014, and the sales could include upstream assets, refineries, and pipelines, executives said.

Two classes of Nexen Inc. shareholders have approved a “plan of arrangement” connected with the proposed takeover of the company by CNOOC Ltd. of China (OGJ Online, July 23, 2012).

ExxonMobil Corp. agreed to buy Bakken formation assets in North Dakota and Montana covering 196,000 net acres from Denbury Resources Inc. for $1.6 billion.

A US District Court has dismissed the criminal information against Snamprogetti Netherlands BV related to a bribery case in Nigeria after fulfillment of commitments made in 2010 under deferred prosecution, reports Eni, of which Snamprogetti earlier was an indirect subsidiary.

Pioneer Natural Resources Co. expects to open a data room in October in its efforts to sell its assets in the Barnett shale, where Pioneer has operated since 2007.