Tj Smith & Company Inc

Established in 1961, Netherland, Sewell & Associates offers a range of geological, geophysical, petrophysical and engineering services to the worldwide petroleum industry. It provides reserve reports and auditing, acquisition and divestiture evaluation, simulation study, exploration resource assessment, equity determination, and management and advisory services. The firm conducts reserve certifications, technical studies, economic evaluations, and advisory work for onshore and offshore fields throughout the world. Netherland, Sewell & Associates engineering and geologic analysts possess diverse skills in data loading, database management, economic modeling, spreadsheet manipulation, computer mapping and log processing. Its reservoir engineering services include reserve determinations, reservoir simulations, probabilistic modeling and fluid analyses. Netherland, Sewell & Associates maintains a presence in Houston.

Founded in 1948, Miller and Lents Ltd. is an international oil and gas consulting firm offering services and expertise in virtually all phases of the upstream petroleum industry. Located in Houston, Texas, it offers a number of services that include reservoir engineering, modeling, geological/geophysical, petrophysical, expert witness/arbitration, assistance to attorneys and many more. Some of the company s clients include Aetna Life Insurance Company, AEP Energy Services Inc., A. G. Edwards & Son Inc., AIG Highstar Capital LLC and Alabama-Coushatta Tribe of Texas.

Founded in 1937, Ryder Scott Petroleum Consultants evaluates oil and gas properties and independently certifies petroleum reserve quantities. The firm performs several hundred consulting studies per year for a variety of clients, including those preparing annual petroleum reserve certifications for filers with the United States Securities and Exchange Commission, as well as clients listed on the London, Ontario, Toronto, Hong Kong and Australian stock exchanges. With more than 60 professional petroleum engineers and geoscientists, the firm conducts reserves evaluations, geoscience and geology studies, field development and enhanced oil recovery design, reservoir simulation, economic analysis, management consulting and expert witness testimony. It also provides a complete range of professional engineering, geoscientific and economic evaluation services. The Houston-based firm has branch offices in Calgary and Denver.