Subsea 7 S.A. announced the launch of its offshore renewables division, transferring its seabed-to-surface expertise, capabilities and safety and risk management processes and systems to specifically develop and execute work in this emerging market.

Bristow Group Inc., announced the resignation of director William P. Wyatt. The Bristow board has designated Stephen A. King to fill the resulting vacancy.

McDermott International, Inc. announced that its subsea construction vessel Agile has been contracted by Petrobras to install subsea flexible pipelines and umbilicals offshore Brazil.

Bristow Group Inc. announced that Jonathan E. Baliff has been appointed senior vice president and chief financial officer, starting October 11.

Lufkin Industries, Inc. announced that Brian J. Gifford has been named vice president of human resources for the company.

Weatherford International Ltd. announced that two of its subsidiaries, Weatherford International Ltd., a Bermuda exempted company, and Weatherford International, Inc., a Delaware corporation, commenced cash tender offers for up to $700 million aggregate principal amount of specified series of their outstanding senior debt.

Halliburton closed the acquisition of Boots & Coots, Inc. The merger combines Halliburton’s coiled tubing and hydraulic workover operations with Boots & Coots’ well intervention services.

Stewart & Stevenson LLC announced the appointment of John B. Simmons as chief financial officer and as a director of the company.