Jean Chevallier

Expert Petroleum SRL engages in the exploration and production of oil and gas. It designs and finances field rehabilitation work programs to increase the field production and reserves. The company was founded by David Martinon and Michel Louboutin in 2005 and is headquartered in Bucharest, Romania.

SchlumbergerSema, Inc. provides information technology solutions and services. It offers consulting, systems integration, and managed services. The company provides services to the telecommunications, energy and utilities, finance, transport and public sector markets. SchlumbergerSema is located in Greenwood Village, CO.

Saxon Energy Services Inc. provides contract land drilling services. The company was founded in 2005 and is headquartered in Calgary, Canada.

Spectraseis, Inc. provides geophysical surveys and data processing services to oil and gas companies. It provides services to oil and gas exploration and production firms, including a growing customer base among North American unconventional resource operators. The firm provides its customers cutting-edge innovations in surface and borehole passive seismic monitoring, data processing and imaging services. The company was founded by Martin Wagen in 2004 and is headquartered in Denver, CO.