I was attempting to verify this claim myself. I contacted Oxy at 800-699-6903 to verify, he was not in their system. I've also uncovered a history of scams from CLGI using Google searches.
Avoid at all costs
Robert N. Watkins has written: 'Petroleum refinery distillation' -- subject(s): Distillation, Petroleum, Refining
Robert Esser has written: 'Expanding horizons' -- subject(s): Forecasting, Petroleum industry and trade, Petroleum reserves
Robert E Ebel has written: 'The petroleum industry of the Soviet Union' -- subject(s): Petroleum industry and trade
Robert A. Bieberman has written: 'Petroleum developments in New Mexico during 1961'
Fernand Robert has written: 'Trois sanctuaires sur le Rivage Occidental' -- subject(s): Architecture, Antiquities 'L' humanisme' -- subject(s): Humanism
Robert D. Witcofski has written: 'Progress on coal-derived fuels for aviation systems' -- subject(s): Airplanes, Coal liquefaction, Fuel, Petroleum, Synthetic, Synthetic Petroleum
Robert McQueen has written: 'Hitler's early raiders' -- subject(s): British Naval operations, German Aerial operations, World War, 1939-1945
Robert M. Sneider has written: 'Multidisciplinary Teams' -- subject(s): Teams in the workplace, Management, Petroleum industry and trade 'The Integration of Geology, Geophysics, Petrophysics and Petroleum Engineering in Reservoir Delineation, Description and Management'
Robert Hoshide has written: 'OTEC-1 Test Operations Experience Final Report'
Robert Wesley Brown has written: 'Valuation of oil and gas lands' -- subject(s): Natural gas, Petroleum
Robert Sibley has written: 'Elements of fuel oil and steam engineering' -- subject(s): Steam engineering, Petroleum as fuel, Petroleum 'America's answer to the Russian challenge' -- subject(s): Economic policy, Communism, Electric power, Electric industries
Robert P. Beynon has written: 'The Pearl Harbor avenger' -- subject(s): American Naval operations, Bowfin (Submarine), Naval operations, Submarine, World War, 1939-1945