The Daqing Oilfield has maintained a stable output of over 10 million tons for 24 consecutive years through tertiary oil recovery.

As of December 3rd, Daqing Oilfield, the worlds largest research and production base for tertiary oil recovery, has achieved a tertiary oil recovery output of over 10 million tons in 2025, maintaining

Zhejiang Oilfield has set a new domestic record for deep shale gas drilling.

On November 28th, it was learned that the Daan 1H28-4 well, located in the Linjiang syncline of the Daan block in western Chongqing, was successfully drilled.

The self-developed integrated production line of Huabei Oilfield has enhanced the efficiency of pipeline business.

On November 24th, the "laser rust removal + automatic anti-corrosion" integrated pipeline production line independently developed by Tiancheng Lide Company of Huabei Oilfield

Changqing Oilfield Pioneers a New Path for Shale Oil Production Growth

On November 12th, it was learned that a well at the shale oil fracturing site in the main oilfield area of Longdong in Changqing Oilfield successfully completed the carbon dioxide energy-enhanced fracturing operation and simultaneously achieved multiple integrated tests

Liaoyang Petrochemical: Adapting to the Seasons to Ensure the Production of Low Pour Point Diesel

​As temperatures in Northeast China continue to drop, the pressure to ensure a steady supply of low pour point diesel has been increasing.

The automatic pipe pusher device of the Downhole Operations Company of Dagang Oilfield reduces burden and empowers.

On November 3rd, at the well maintenance site of Well West 17-9 in the Downhole Operations Company of Dagang Oilfield, employees completed the operation tasks that previously required the

The Liaohe Oilfield has put a new device into use, reducing the comprehensive cost per ton of liquid by more than 20%.

On October 28th, it was learned from Liaohe Oilfield that after the Shu 5 Combined Station of the oilfield adopted the new-generation low-temperature electric dehydration device,

Jidong Oilfield Develops a New Type of Filter Core Carbonization Cleaning Device to Reduce Costs and Increase Efficiency

On October 22nd, at the Laoyema Joint Station of the Oil and Gas Gathering and Transportation Company of Jidong Oilfield, employees used a newly developed carbonization cleaning device for filter cores to clean the filter cores.

Analysis of Key Technical Aspects in Valve Applications for Natural Gas Pipelines

In natural gas transmission and distribution systems, valves serve as the core components for fluid control, and their selection, installation, and maintenance directly impact the systems safety, continuity, and regulatory compliance.

Daqing Oilfield develops wide-area tracer logging technology