Gasco Energy, Inc. was formerly known as San Joaquin Resources, Inc. Gasco Energy, Inc. was founded in 1997 and is based in Englewood, Colorado. Gasco Energy, Inc. operates as a natural gas and petroleum exploitation, development, and production company. Gasco Energy, Inc. engages in locating and developing hydrocarbon resources primarily in the Rocky Mountain region. Gasco Energy, Inc. acquires leasehold interests in petroleum and natural gas rights, and exploits and develops properties subject to those leases. Gasco Energy focuses on drilling efforts in the Riverbend project located in the Uinta Basin of northeastern Utah. As of December 31, 2008, the company held interests in 330,923 gross acres located in Utah, Wyoming, California, and Nevada; and 126 gross producing wells and 5 shut-in wells. Gasco Energy, Inc. serves natural gas transmission pipeline and marketing companies, utilities, refining companies, and private industry end-users.