Chesapeake Oilfield Operating LLC , which does business as Seventy Seven Energy , appointed Karl Blanchard as its COO, the company said June 12.

Most recently, Blanchard was vice president of production enhancement for Halliburton Co . (NYSE: HAL), said Seventy Seven Energy, which recently spun off from Chesapeake Energy Corp . (NYSE: CHK). Blanchard had worked for Halliburton since 1981, the company added.

“Karl is a great addition to the existing management team at Seventy Seven Energy,” CEO Jerry Winchester said.

“With his extensive background in the oilfield services industry, Karl is a perfect fit as we become a stand-alone company,” Winchester added.

Blanchard has a bachelor of science degree in engineering from Texas A&M University and is member of the Society of Petroleum Engineers, the company said.