Houston independent Lucas Energy Inc. has appointed Anthony C. Schnur as chief executive officer.

Andre Goffart has been named president and chief executive officer of Total E&P Canada, succeeding Jean-Michel Gires.

Total Petrochemicals & Refining USA Inc. has appointed Nigel Tranter as general manager of the Port Arthur, Tex., refinery.

The board of Energen Corp., Birmingham, Ala., has elected David A. Godsey and David J. Minor to head the exploration and operations efforts of the company’s oil and gas exploration and production unit, Energen Resources Corp.

Bryan Gould has been named president of Athabasca Oil Corp., Calgary, in one of several executive changes at the company.

Merle Johnson has been named chief operating officer of Connacher Oil & Gas Ltd., Calgary. He has been with company since 2007.

Chris Hunt, founder and president of private investment firm Knightsbridge Capital LLC, has been named chairman and chief executive officer of Anschutz Exploration Corp., Denver.

Clarence P. Cazalot, chairman, president, and chief executive officer of Marathon Oil Corp., has been elected chairman of the American Petroleum Institute’s board of directors.

P.K. Borthakur has been named director (offshore) of state-owned Oil & Natural Gas Corp. Ltd. of India.

Marathon Oil Corp. has appointed Lance W. Robertson as vice-president, Eagle Ford production operations.

Sadara Chemical Co. has appointed Ziad S. Al-Labban as chief executive officer. He succeeds Ali A. Abuali who will retire.

Statoil ASA reported that Stale Tungesvik has been named president of its Canadian operations. Tungesvik succeeds Lars Christian Bacher who has been appointed executive vice-president for Statoil's development and production international division.