China Oilfield Services Ltd

CO9

Company Profile

  • Business description

    China Oilfield Services Ltd is engaged in the provision of oilfield services including drilling services, well services, marine support services, and geophysical acquisition and surveying services. It operates in four segments namely the drilling services segment offers oilfield drilling services, the well services segment offers logging and downhole services, the marine support services segment is engaged in the transportation of materials, supplies, and personnel to offshore facilities, moving and positioning drilling structures, and the geophysical acquisition and surveying services segment is engaged in the provision of offshore seismic data acquisition and marine surveying. It generates the majority of its revenue from Well services segment.

  • Contact

    201 Haiyou Avenue
    Yanjiao Economic & Technological Development Zone
    Hebei Province
    Sanhe City065201
    CHN

    T: +86 1084521685

    https://www.cosl.com.cn

  • Sector

    Energy

    Stock type

    Sensitive

  • Industry

    Oil & Gas Equipment & Services

    Fiscal Year End

    31 December 2026

    Employees

    15,509

Stocks News & Analysis

stocks

What Q4 US earnings did and didn’t tell us about AI and the outlook for tech shares

Tech saw solid earnings, but there are more questions around which companies will benefit from AI, and which will be hurt.
stocks

Top stocks of the year: Which opportunities remain in 2026?

A deep dive into the most traded stocks by Aussies in 2025 - and what this signals for the year ahead.
stocks

What did Morningstar subscribers buy and sell during February?

How the most traded shares stack up against our analysts views.

Morningstar Investment Ideas

Markets

Index
Last price
Change
% Change

Market Movers