Acquisition

Chevron Corp. agreed Friday to buy one of the largest independents in the world, Anadarko Petroleum Corp., in a $33 billion deal that expands its armada in the U.S. onshore, deepwater Gulf of Mexico (GOM) and in the liquefied natural gas (LNG) export business.

A subsidiary of Tulsa-based Empire Petroleum Corp. has acquired producing oil and natural gas assets in the Bakken Shale in Montana and North Dakota for $5.6 million.

Pin Oak Energy Partners LLC said Wednesday it has completed a deal to acquire 43,000 acres in northwestern Pennsylvania from Royal Dutch Shell plc affiliate SWEPI LP, buttressing its inventory of deep rights across a region that saw heavy development in the early days of the Appalachian shale boom.

Encana Corp. has clinched a deal to buy Oklahoma stalwart Newfield Exploration Co. in a stock trade worth an estimated $5.5 billion, as well as assuming $2.2 billion net debt, expanding its four core exploration areas of North America’s onshore to a solid five.

Houston-based Sentinel Energy Services Inc., launched last year by Schlumberger Ltd.’s former CEO and a top lieutenant, laid plans Friday to take over North American pipeline services company Strike LLC in a merger valued at $854 million.

Texas-based independent Earthstone Energy Inc. is gobbling up all of the oil and natural gas assets held in the Permian Basin by privately held Sabalo Holdings LLC, including 20,800 net acres in the Midland sub-basin of West Texas, in a cash-and-stock deal estimated at $950 million.

Houston-based Nine Energy Service Inc. has a definitive agreement on the table to acquire Magnum Oil Tools International Ltd. for $493 million in cash and stock, a merger designed to expand its completions offerings in North America’s onshore and beyond.

Nuverra Environmental Solutions Inc. has acquired Clearwater Solutions for $41.9 million, more than doubling its oil and natural gas wastewater injection capacity in the Marcellus and Utica shales. Clearwater’s disposal wells, located in Guernsey County, OH, have a capacity of 17,500 b/d. Nuverra said the transaction would make it the second-largest commercial operator of saltwater disposal wells in the region. Nuverra, an oilfield logistics and equipment company, also operates in the Bakken and Haynesville shales.

Austin, TX-based Drillinginfo, a software service and data analytics provider for the oil and gas industry, has bought Oildex to add to its recent purchases of PLS Inc. and 1Derrick. The Oildex transaction marks its first since private equity firm Genstar Capital became majority shareholder. The Oildex acquisition would allow Drillinginfo to continue expanding its exploration and production, and oilfield services businesses, management said. Oildex, a portfolio company of private equity firm Accel-KKR, provides financial automation solutions for the industry. Drillinginfo CEO Jeff Hughes said Oildex would help accelerate “our growth priority in the large mineral owner market.” Terms of the transaction were not disclosed.