China Oilfield Services Limited

Ship Owners
Ship Managers

China Oilfield Services Limited (COSL) is a prominent integrated oilfield service provider that operates primarily in offshore regions. The company, which is a subsidiary of the China National Offshore Oil Corporation (CNOOC), offers a wide array of services that cater to the exploration, development, and production phases of oil and gas fields. These services include but are not limited to:

Geophysical Services: COSL conducts seismic surveys and data interpretation to help identify hydrocarbon deposits beneath the Earth's surface.

Drilling Services: The company operates a fleet of drilling rigs, both offshore and onshore, facilitating exploratory and production drilling activities.

Well Services: These include well logging, cementing, and stimulation operations essential for preparing and maintaining oil and gas wells.

Marine Support and Transportation: COSL offers a range of marine services, including the transportation of personnel, equipment, and materials, as well as anchor handling and towing services for drilling rigs.

Technical Services and R&D: The company also engages in research and development to innovate and improve its service offerings, leveraging technology to enhance efficiency and reduce operational risks.

COSL's footprint extends beyond China, with operations in multiple regions worldwide, reflecting its ambition to be a global player in the oilfield services sector. The company is listed on the Hong Kong Stock Exchange and has garnered a reputation for reliability and excellence within the industry.

In recent years, COSL has also shown a commitment to sustainability and environmental responsibility, aligning itself with global trends and regulatory requirements aimed at reducing the environmental impact of oil and gas exploration and production.

Ships

HAI YANG SHI YOU 708

Research Ship | Flag: China | Port: TIAN JIN

NAN HAI 6

Column-stabilised Unit | Flag: China | Port: ZHANJIANG

NAN HAI JIU HAO

Column-stabilised Unit | Flag: China | Port: ZHANJIANG

Maritime News

Wattlab, HGK Shipping Collaborate On World’s First Hybrid Solar-Powered Inland Cargo Vessel

18 hours ago

Dutch maritime solar innovator Wattlab has delivered a solar energy system for HGK Shipping’s inland shipping cargo vessel Blue Marlin. The vessel’s 192 solar panels will provide power to both the onboard and propulsion systems, making the Blue Marlin the first inland shipping vessel in the world capable of hybrid sailing with solar power. HGK Shipping is a European inland waterway shipping company operating a fleet of 350 vessels. With annual freight figures in the region of 43 million tons, HGK Shipping is considered to be a leading player in European dry bulk, gas and chemical transport.

US Coast Guard Icebreaker Shipbuilding Plan Gets a $8.6B Boost

23 hours ago

President Donald Trump's 'Big Beautiful Bill' earmarks more than $8.6 billion to increase the U.S. Coast Guard icebreaker fleet in the Arctic, where Washington hopes to counter rising Russian and Chinese dominance.The funding includes $4.3 billion for up to three new heavy Coast Guard Polar Security Cutters, $3.5 billion for medium Arctic Security Cutters, and $816 million for procurement of additional light and medium icebreaking cutters.President Trump has been pushing to revive U.S. shipbuilding to counter China's growing strength in maritime manufacturing and naval dominance.

Greek Bulk Carrier Attacked in Red Sea; Crew Safe but Vessel in Danger of Sinking

yesterday

A Greek-operated bulk carrier, Magic Seas, sustained severe damage in a multi-pronged attack off the coast of Yemen on Sunday, believed to have been carried out by Houthi militants. All 19 crew members aboard were safely rescued and are expected to arrive in Djibouti later Monday, according to the ship’s operator, Stem Shipping.However, Magic Seas, a Liberian-flagged vessel transporting iron and fertilizers from China to Turkey, is now at risk of sinking, Stem Shipping representative Michael Bodouroglou said. The attack marked the first major maritime assault in the Red Sea corridor since mid-April.

Israel Attacks Three Yemen Ports

yesterday

Israel has attacked Houthi targets in three Yemeni ports and a power plant, the Israeli military said early on Monday, marking the first Israeli attack on Yemen in almost a month.The strikes on Hodeidah, Ras Isa and Salif ports, and Ras Qantib power plant were due to repeated Houthi attacks on Israel, the military added.Hours after the strikes, the Israeli military said two missiles were launched from Yemen and attempts were made to intercept them, but the results of interception were still under review.The Israeli ambulance service said it had not received any calls regarding missile impacts or casualties following the launches from Yemen.

U.S. Coast Guard Receives Historic Investment

yesterday

The U.S. Coast Guard welcomed the nearly $25 billion investment included in the One Big Beautiful Bill Act Friday — marking the largest single commitment of funding in service history. The investment strengthens every facet of Coast Guard operations and supports the Service's role as the Nation’s leading drug interdiction and maritime border security force. It will allow the Coast Guard to procure an estimated 17 new icebreakers, 21 new cutters, over 40 helicopters and six C-130J aircraft while modernizing shore infrastructure and maritime surveillance systems.