sentences:  In that capacity he oversaw the November 2007 merger between Petro Rubiales and Pacific Stratus, creating Petro Rubiales Energy Corporation.The parent company of Endeavour Financial was Endeavour Mining Capital, which was then led by Frank Holmes.At the time of the merger, Petro Rubiales was described by Newswire as a "Canadian-based company and producer of heavy crude oil" and "owner of 100 percent of Meta Petroleum Limited, a Colombian oil and gas operator which operates the Rubiales and Piriri oil fields in the Llanos Basin in association with Ecopetrol S.A. the Colombian, state-owned oil company.