Mid-Con Energy Partners LP appointed Chad B. Roller on July 29 to serve as COO of the Tulsa, Okla.-based oil and gas company.

Mid-Con Energy is a publicly-held limited partnership formed in July 2011 with a focus on EOR. The company’s predecessor, however, has been active in waterflood development since its inception in 1986.

Though Oklahoma has been the base of the company’s operations for over 30 years, Mid-Con Energy has also established a position in Wyoming’s Powder River Basin. The company had previously held a position in Texas, including within the Permian Basin’s Eastern Shelf, but agreed to sell those properties for $60 million in a transaction that closed in April.

Commenting on the appointment, CEO Jeff Olmstead said he was proud to appoint Roller to his new role adding: “He has been vital in our success at navigating lower oil prices the past few years, and will take on even more responsibility for our future growth and success.”

Since 2012, Roller has held a number of positions of increasing responsibility with Mid-Con Energy, including most recently as vice president of development and senior reservoir engineer.

Roller also currently serves as president of Chemical Flooding Technologies (CFT), a waterflood company formed in 2010 through a joint venture between a Mid-Con Energy affiliate and the applied surfactant laboratories at the University of Oklahoma. CFT, which operates as a subsidiary of Mid-Con Energy, focuses on the research, development and field testing of surfactant technology to further develop EOR projects.

Previously, Roller had worked in various engineering roles at Shell Oil Co. and before that served as vice president of research for Ekips Technologies, a venture capital-backed biomedical firm.

Roller’s appointment as COO took effect July 24, according to a press release from Mid-Con Energy.

Emily Patsy can be reached at epatsy@hartenergy.com.

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