He is working with legal counsels in a number of areas on geomarket legal issues, including business initiatives and serious litigation matters. Mr. Hantel has had twenty-five (25) years experience in legal affairs, concerning much of the United States Oil and Gas industry. Some areas of particular experience have been drilling and completions, turnkey projects, geophysical issues such as global master seismic agreements, reservoir services, multiclient data processing, compliance with federal and state regulations, personnel, insurance and other corporate matters. Prior to joining Schlumberger, Mr. Hantel worked with Exxon Corporation for several years, handling legal matters for a wide range of oil and gas industry issues.