Sabine Oil & Gas is an independent oil and natural gas company engaged in the acquisition, development, exploitation and expl ... oration of oil and natural gas properties onshore in the United States. Our operations are focused in East Texas, targeting the Cotton Valley Sand and Haynesville Shale formations. As of November 30, 2019, Sabine Oil & Gas Corporation is now a subsidiary of Osaka Gas USA Corporation. Osaka Gas USA Corporation ("OGUSA") is a wholly owned subsidiary of Osaka Gas Co., Ltd ("Osaka Gas") formed to develop, construct, acquire and manage energy businesses throughout North America. read more