Patricia Yarrington has been named vice president and CFO of Chevron Corp.

Joseph P. Lahey has joined Production Enhancement Group Inc. as CEO and
chairman of the board of directors.

Lee W. Wiley, managing partner of Wiley Advisors, has been named vice president, CFO, and director of Wave Imaging Technology Inc.

Wood Group Pressure Control, part of international energy services company John Wood Group plc, has appointed Marcus A. Smedley (left) vice president of engineering.

READ Group ASA has appointed Fraser Louden (right) as the company’s vice president and managing director.

Polarcus DMCC has appointed Philip M. Fontana as chief geophysicist.

Arthur Cheng has joined OHM Rock Solid Images as senior rock physics adviser.

Roxar ASA has named Tone Kråkenes the product manager for the company’s reservoir modeling solution, IRAP RMS.

Maersk Oil North Sea UK Ltd. has appointed Tim Ingram (left) as HSEQ director.

Fugro Gravity & Magnetic Services has named its business development team for the European-African-Middle Eastern region. Raffaela Heinbockel will direct efforts in the
Middle East, and Stewart Walter will lead in Europe and Africa.