Knight Well Services named Bobby Crockett (left) as general manager and Randy Gibson (right) as operations manager.

Trygve Hagevik joined RigNet as vice president, Europe and Africa, and will be based in Stavanger, Norway. Alan Walker joined the company as general manager, United Kingdom. In his position, he will manage the day-to-day operations as well as capitalize on the region's growth opportunities.

Lankhorst Flotec Offshore LLC hired Robert "Bubba" Guarino (right) as Offshore Sales for the company. In this role Guarino will be responsible for expanding the sales and marketing efforts throughout the Gulf of Mexico region.

Robert A. Malone has been appointed as chairman and president of BP America Inc. and will serve as BP's chief representative in the United States.

India's Oil Ministry appointed Oil and Natural Gas Corp. director-finance R. S. Sharma as acting chairman of the state-owned flagship explorer after completion of the 5-year term of Subir Raha.

Swift Energy Company's board of directors named Terry E. Swift as chairman of the board. The board of directors also named current board member Raymond E. Galvin as vice chairman of the board.

Deep Marine Technology Inc. elected Bruce C. Gilman to chairman of the board.

Ability Group ASA elected William Greg Coleman as chairman of the board of directors.

Transmeridian Exploration Inc.'s board of directors appointed Alan W. Halsey as vice president and chief operating officer.

Wood Group ESP appointed Gary Ford as president and chief operating officer. Ford succeeds Joe Brady, who will continue to serve as chairman and chief executive officer of the company.

The Group Management Committee of Total appointed the following people. Francoise Leroy has been appointed as general secretary, chemicals and Peter Herbel to general counsel. Jean-Jacques Moscon has been appointed as senior vice president of strategy, development, and research and development (R&D), refining and marketing, while Patrick Pouyanne is senior vice president of strategy, business development and R&D, exploration & production.

Leor Energy hired three executives. Kenton Holliday has been appointed as executive vice president of land and acquisitions. Carlos Roa joined the company as vice president of exploration and David M. Tubbs joined as vice president of operations.

BPZ Energy Inc. reported that Randall D. Keys resigned as chief financial officer. Edward G. Caminos will serve as interim chief financial officer while the company conducts a search for a permanent replacement. Xavier A. Suniga joined BPZ as vice president of business development.

Tom L. Ward joined Riata Energy Inc. as chairman of the board of directors and chief executive officer. Dirk M. Van Doren joined the company as chief financial officer.

Double Eagle Petroleum Co. appointed Lonnie R. Brock to the position of chief financial officer.

Ronald E. Huff has been appointed as chief financial officer at Aurora Oil & Gas Corp.

Ocean Rig ASA has appointed Jan Rune Steinsland as chief financial officer.

Curtis Davis Garrard appointed Justin Turner as partner.

Robert E. Estill has been appointed as vice president, strategic planning and portfolio management at Marathon Oil Company.

Cano Petroleum Inc. named Morris B. "Sam" Smith senior vice president and chief financial officer. Mike Ricketts, the company's former chief financial officer, will remain with the company as vice president and principal accounting officer. Cano also appointed Pat McKinney to the position of vice president - business development. The company also elected Patrick W. Tolbert and Dennis McCuistion to the company's board of directors.

Michael A. Huhnke, P.E., has been named vice president, operations, of Texas Crude Energy Inc. in Houston.

CapRock Communications appointed Britt Carina Horncastle as vice president of corporate development.