Index Oil and Gas Inc., through its subsidiaries, engages in the acquisition, exploration, appraisal, development, production, and sale of oil and gas properties, primarily in Kansas, Louisiana, and Texas. As of March 31, 2009, the company's estimated total proved oil and gas reserves were approximately 87.703 thousands of barrels of oil equivalent, including 20.967 thousand barrels of oil and 400.414 million cubic feet of natural gas. Index Oil and Gas Inc. was founded in 2003 and is based in Houston, Texas. On November 17, 2010, Index Oil and Gas, Inc. filed a voluntary petition for liquidation under Chapter 7 in the U.S. Bankruptcy Court for the Southern District of Texas. Index Oil & Gas, Inc. is in liquidation.