SandRidge Energy Inc., Oklahoma City, will acquire private Houston independent Dynamic Offshore Resources LLC for $1.275 billion including $680 million in cash and 74 million SandRidge common shares.

Maurel & Prom, Paris, has spudded the Ziwani-1 onshore exploratory well on the 756 sq km Mnazi Bay concession in the Rovuma basin in coastal Tanzania.

Buccaneer Energy Ltd., Sydney, will acquire a 25% operated  working interest in the two main productive leases in the former Cosmopolitan Unit in Alaska’s Lower Cook Inlet from Pioneer Natural Resources Alaska Inc.

MEG Energy, Calgary, said an independent analysis boosted its proved reserves of bitumen in the Christina Lake area of Alberta’s southern Athabasca region by 17% last year to 708 million bbl.

The US Bureau of Ocean Energy Management will hold a consolidated central Gulf of Mexico lease sale in New Orleans on June 20, the US Department of the Interior agency announced.

Essar Energy PLC said it has greatly expanded proved and probable reserves at its 500 sq km Raniganj coalbed methane exploration block in West Bengal and that the company has India’s most expansive CBM acreage with 10 tcf of gas resources across five blocks.

Petro Harvester Oil & Gas LLC, Frisco, Tex., plans to acquire producing, long-life oil properties in central and southern Mississippi and southern Louisiana from Denbury Resources Inc., Plano, Tex.

Results from the 16/5-2S appraisal well will most likely reduce the current resource estimate for the southern part of the Avaldsnes discovery in the North Sea off Norway, said Lundin Petroleum AB, Stockholm.

Tethys Oil AB, Stockholm, has agreed with Odin Energi AS to acquire interests in Lithuanian oil companies UAB Minijos Nafta and UAB LL Investicos.

A Phase 1 final investment decision is the next step now that Eni, Repsol, and Petroleos de Venezuela SA have signed a gas sales agreement for commercial development of supergiant Perla gas-condensate field in the Gulf of Venezuela off Venezuela.