The first new-build semi-submersible drilling rig incorporating Wood Group Mustang Norway’s (WGMN’s) GG5000 floating hull design has been delivered to COSL Drilling Europe (CDE). The COSLProspector was designed to operate in water depths up to 1,500 metres (5,000 feet) and drill wells up to 7,600 metres (25,000 feet). The unit is planned for use on the Norwegian Continental Shelf (NCS).
WGMN was responsible for the basic design and participated in the detailed design of the semi-submersible hull and main marine systems. The 50,000 man-hour project was engineered to Norwegian Petroleum Directorate (NPD) standards.

“The delivery of the rig as designed is the result of a highly successful collaboration among WGMN, CDE and Yantai CIMC Raffles Shipyard,” explained Otto Søberg, president of WGMN. “We worked closely with CDE to ensure the design of the rig would meet its needs and objectives and with the shipyard to deliver the rig as planned, thereby avoiding costly construction modifications common to the industry.”

Prior to designing the COSLProspector, WGMN performed the modification design and engineering for three CDE drilling rigs: COSLPioneer, COSLInnovator and COSLPromoter.

“The success of the COSLProspector project is due to hard work from all parties involved. COSL, the yard and WGMN worked closely together, resulting in a rig that I know will do an excellent job for COSL and our clients,” said Jørgen Arnesen, CEO of CDE.

WGMN is currently providing engineering services for another semi-submersible to CDE’s parent company, China Oilfield Services Limited (COSL). COSL chose WGMN’s A5000 semi-submersible drilling rig design for its new-build HYSY982 rig, which is planned for operation in the South China Sea. WGMN’s scope is the result of another successful basic design project and

About Wood Group

Wood Group is an international energy services company with around $7bn sales, employing about 40,000 people worldwide and operating in more than 50 countries. The Group is built on our Core Values and has three businesses – Wood Group PSN, Wood Group Kenny and Wood Group Mustang – providing a range of engineering, production support, and maintenance management services to the oil and gas, and power generation industries worldwide. For more information, visit www.woodgroup.com.

About Wood Group Mustang

Wood Group Mustang provides award-winning services to the global energy industry. From concept to completion, Wood Group Mustang delivers project management, construction management, engineering and procurement services to the offshore, onshore, oil sands, pipeline, refining, chemicals, industrial and automation sectors, operating in countries throughout Africa, Asia, Europe, the Middle East, Latin America and North America. For more information, visit www.mustangeng.com or connect with us on Facebook, LinkedIn or Twitter.

About COSL Drilling Europe

COSL Drilling Europe (CDE) owns and operates three drilling units and two accommodation units. All units are in operation in the North Sea area. CDE is a subsidiary of China Oilfield Services Limited, (COSL) Beijing, China.