China Oilfield Services Limited

Ship Managers
Ship Owners

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

Shipbuilding Plan Could Undermine U.S. Operators, Industry Execs say

22 hours ago

A Trump administration proposal aimed at reviving the U.S. shipbuilding industry may backfire by imposing steep fees on China-linked vessels—penalties that industry leaders say would hurt American ship operators and ports rather than help them, industry executives said at U.S. Trade Representative hearings on Monday.At issue are proposed, stacking fees on China-built vessels that could top $3 million per U.S. port call. The Trump administration says the fees would curb China's growing commercial and military dominance on the high seas and promote domestically built vessels. U.S. steelworker unions, U.S.

CMB.TECH, MOL Sign Agreement for Nine Ammonia-Powered Ships

yesterday

Belgian oil tanker group CMB.TECH has signed an agreement with Mitsui O.S.K. Lines (MOL) and MOL Chemical Tankers (MOLCT) for nine ammonia-powered vessels.The vessels will be among the world's first ammonia-powered Newcastlemax bulk carriers and chemical tankers. The delivery of these ships is expected between 2026 and 2029.The landmark agreement between MOL/MOLCT, and CMB.TECH involves nine ammonia-powered ships.Three ammonia-fitted 210.000 dwt Newcastlemax bulk carriers, currently on order at Qingdao Beihai Shipyard, will be jointly owned by CMB.TECH and MOL and chartered to MOL for a period of 12 years each.

U.S. Wants Black Sea Ceasefire

yesterday

A U.S. delegation will seek progress toward a Black Sea ceasefire and a broader cessation of violence in the war in Ukraine when it meets for talks with Russian officials on Monday, after discussions with diplomats from Ukraine on Sunday.The so-called technical talks come as U.S. President Donald Trump intensifies his drive for a halt to Russia's three-year-old assault against Ukraine. Last week, he spoke with both Ukrainian President Volodymyr Zelenskiy and Russian President Vladimir Putin.A source briefed on the planning for the talks said the U.S.

Lack of Oversight Impacts U.S. Fishing Industry

2 days ago

U.S. President Donald Trump’s regulatory freeze has injected chaos and uncertainty into a number of lucrative American fisheries, raising the risk of a delayed start to the fishing season for some East Coast cod and haddock fleets and leading to overfishing of Atlantic bluefin tuna, according to Reuters interviews with industry groups and federal government employees.America’s $320 billion fishing industry relies on a branch of the federal government, the National Oceanic and Atmospheric Administration, to manage coastal fisheries.

Dutra Group Orders New Hopper Dredge from Eastern Shipbuilding Group

4 days ago

The Dutra Group, a California-based heavy civil marine contractor, has issued a notice to proceed to Eastern Shipbuilding Group (ESG) for the construction of a 10,464 cubic yard trailing suction hopper dredge, named Adele.The ship will be constructed at ESG's Allanton and Port St. Joe facilities. Delivery is scheduled for late 2028.The Adele will join The Dutra Group’s 9,870 cubic yard trailing suction hopper dredge Stuyvesant serving our nation’s essential waterways.The newbuild will be based on Royal IHC’s Beagle design. The IHC Beagle Mk2 is a twin screw trailing suction hopper dredge with a maximum hopper capacity of 10,464 yd3.