Philippe R. Probst, a current board member of PA Resources, has been named interim CEO of the company.

Following the appointment of Andrew Mackenzie CEO, BHP Billiton in mid-April, the company made senior management changes that took effect last week.

Gulfstream Services Inc. (GSI), an oilfield rental company providing high pressure equipment for the international oil and gas industry, has named Billy Marcel as manager of global operations – decommissioning services division.

Transocean’s ultra-deepwater semisubmersible rig, Sedco Express (EXS), was working offshore Nigeria for customer ENI when it received news of a nearby fuel tanker on fire. 

Steptoe & Johnson PLLC has added seventeen attorneys to the firm’s office at The Woodlands, Texas, near Houston.

Far East Energy Corp. has appointed Jennifer D. Whitley as CFO to succeed Bruce N. Huff.  On May 7, 2013, Huff notified the company that he was resigning as the company’s CFO for medical reasons.

Frisco, TX-based independent energy company Comstock Resources Inc.  (NYSE: CRK) has made management changes.

Talisman Energy Inc. (TSX:TLM) (NYSE:TLM) has appointed Paul R. Smith as CFO, effective May 20, 2013. Smith is currently executive vice president, North America, within Talisman.

Steve Cossé, president and CEO of Murphy Oil Corp., intends to step down following the completion of the company's previously announced plan to spin off to its stockholders its US downstream operations into an independent and separately traded company.