Chisholm Oil & Gas LLC, Tulsa, and Gastar Exploration LLC, Houston, have agreed to merge.
The resulting company will use Chisolm’s name and be based in Tulsa.
Its net production will be 20,000 boe/d of oil and natural gas. It will hold 165,000 net acres, mainly in the STACK play of Kingfisher County, Okla.
Chisholm began operations in 2017 with backing from funds managed by affiliates of Apollo Global Management LLC and company managers. Gastar’s owners are private equity funds affiliated with Ares Management Corp.