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    Gavin Prise has been named executive director and COO for Expro International, replacing Mike Martindale, who has retired. Prise was director of the Eastern Hemisphere Region. He has over 20 years of experience in the oil and gas industry, the last 11 in management roles with Expro. Weatherford International Ltd. appointed E. Lee Colley III as COO. In the newly created post, he will be responsible for the company's global operations. Colley has been with Weatherford over 10 years, most recently serving as president of the Completion & Production Systems division. Madagascar Oil Ltd (MOL), a privately-held E&P company holding the largest current onshore exploration and development rights in Madagascar, has appointed George B. Nilsen as COO. His oil and gas experience includes senior positions with Nuevo Energy, where he served as senior VP for Strategic Planning and Asset Management. Prior to that, Nilsen managed the Gulf Coast Division of Santa Fe Snyder.

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2013 Fracturing Technology

2013 Fracturing Technology