Walt Dunagin

American Association of Professional Landmen consists of landmen and land-related persons throughout affiliated local associations in the United States and in Canada. It promotes standards of performance for all land professionals, which encourage responsible stewardship of energy and mineral resources. The company was founded on March 17, 1987 and is headquartered in Fort Worth, TX.

Reef Exploration, Inc. (Reef Exploration) is a private equity firm founded in 1987 by MAUCELI MICHAEL J. The firm is headquartered in Richardson.

Reef Oil & Gas Drilling & Income Fund LP engages in drilling and owns interests in oil and natural gas properties located in the United States with a primary focus on the Bakken area in North Dakota. Its primary purpose is to generate revenue from the production of crude oil and natural gas, distribute cash to the partners, and provide the tax benefits that are available to those that drill for and produce crude oil and natural gas. The company was founded on September 6, 2012 and is headquartered in Richardson, TX.

Reef Oil & Gas Income & Development Fund III LP was engaged in the acquisition and development of oil and gas properties. It invested in oil and gas properties with the purposes of growing the value of properties through the development of proved undeveloped reserves, generating revenue from the production of crude oil and natural gas, and distributing cash to the partners. The company was founded on November 27, 2007 and was headquartered in Richardson, TX.

Unocal Corp. explores, develops, produces, and markets crude oil and natural gas. The firm also produces geothermal energy in Indonesia and the Philippines and makes petroleum coke, graphite's and silicon carbide materials. The company was founded on October 17, 1890 and is headquartered in El Segundo, CA.