SandRidge Energy Inc. has entered into an agreement to acquire Dynamic Offshore Resources LLC for aggregate consideration of $1.275 billion consisting of approximately $680 million in cash and approximately 74 million shares of SandRidge common stock valued at $8.02 per share. 

Global NuTech Inc. has acquired 100% of the stock of Houston, Texas-based Texas Gulf Oil & Gas Inc.

This week’s upstream M&A was dominated by two large bolt-on acquisitions by Apache and Crescent Point Energy, within North America.

Apache Corp. has agreed to acquire Denver-based Cordillera Energy Partners III LLC, a privately held company with substantial operations that include approximately 254,000 net acres in the Granite Wash, Tonkawa, Cleveland and Marmaton plays in western Oklahoma and the Texas Panhandle, for $2.85 billion.  

The largest deal in a lacklustre week for E&P deals came from PetroBakken’s divestiture of its 2.2% interest in the Weyburn unit in Saskatchewan for C$105 million.

Pembina Pipeline Corp. has agreed to acquire all of the issued and outstanding common shares of Provident Energy Ltd.

Venoco Inc., an independent energy company with substantial holdings in California’s oily Monterey Shale, said Jan. 16 that it has entered into a definitive merger agreement under which Timothy M. Marquez, Venoco’s chairman and CEO, who controls 50.3% of Venoco’s common stock, will acquire Venoco through a wholly owned entity, Denver Parent Corp.

After the extremely busy start to 2012 last week, M&A activity slowed down considerably this week, with only a few deals breaking $100 million.

Marubeni Corp. recently became Japan’s largest owner of American shale oil acreage when it announced it had acquired nearly 52,000 net acres in the Eagle Ford Shale from Dallas-based Hunt Oil.