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

White House Expected to Extend Jones Act Waiver

5 hours ago

The White House is expected to extend the Jones Act waiver for up to 90 days as early as Friday to help blunt fuel price pressures tied to the Iran conflict, according to two sources familiar with the decision.The move would temporarily ease requirements that goods transported between U.S. ports be carried on American-built and American-crewed vessels, allowing foreign-flagged ships to move fuel and other key commodities more freely as the administration seeks to contain energy market disruptions from the war and tensions in the Strait of Hormuz.A White House official told Reuters the extension is under consideration, but declined to comment on the length and timing of any announcement.

US Intercepts Three Iranian Tankers in Asian Waters

2 days ago

The U.S. military has intercepted at least three Iranian-flagged tankers in Asian waters and is redirecting them away from their positions near India, Malaysia and Sri Lanka, shipping and security sources said on Wednesday.Washington has imposed a blockade on Iran's trade by sea while Iran has fired on ships to prevent them sailing through the Strait of Hormuz waterway at the entrance to the Middle East Gulf. Nearly two months after the U.S. and Israel began their war on Iran, there is little sign of peace talks resuming during an uneasy ceasefire.The closure of the strait has disrupted supply of a fifth of the world's oil and gas supplies, and caused a global energy crisis. U.S.

Iran Detains Two Container Ships for Maritime Violations

2 days ago

Iran said it had captured two container ships seeking to exit the Gulf via the Strait of Hormuz on Wednesday after firing on them and another vessel, in its first seizures since its war with the United States and Israel began in February.Iran's semi-official Tasnim news agency reported the seizures and added its Revolutionary Guard Corps Navy had warned that any disruption to order and safety in the strait would be considered a "red line."The seizure of one of the ships, the Panama-flagged MSC Francesca, was confirmed by Montenegro's minister of maritime affairs, who said four Montenegrin seafarers were on board and that they and the rest of the crew were safe.

Three Ships Fired Upon in Strait of Hormuz, Crews Unharmed

2 days ago

At least three container ships were hit by gunfire in the Strait of Hormuz on Wednesday, maritime security sources and the United Kingdom Maritime Trade Operations (UKMTO) said.Iran has imposed restrictions on ships using the strait, first in retaliation for the U.S.-Israeli bombardment of the country, and then in response to a U.S. blockade of Iranian ports.A Liberia-flagged container ship sustained damage to its bridge after being hit by gunfire and rocket-propelled grenades northeast of Oman.The UKMTO said the master of the vessel reported being approached by an IRGC gunboat. The vessel, it said, was subsequently fired upon.

Scam Messages Target Ships with Fake Hormuz Transit Offers

2 days ago

Fraudulent messages promising safe passage through the Strait of Hormuz in exchange for cryptocurrency have been sent to some shipping companies whose vessels are stranded west of the waterway, Greek maritime risk management firm MARISKS has warned.The U.S. has maintained its blockade of Iranian ports, while Iran has lifted and then re-imposed its blockade of the Strait of Hormuz, through which roughly a fifth of the world's oil and liquefied natural gas passed before war broke out in the Middle East.Amid ceasefire talks, Tehran, which controls the chokepoint, has proposed tolls on vessels to safely transit.