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  • CNPC's intelligent drilling system "Changlong" is in operation
    édité le 05/06/2025 - Plus de news de "CNPC" - Voir la fiche entreprise de "CNPC"


CNPC's intelligent drilling system
On May 21, the intelligent drilling system "Changlong" V1.0, which has been independently developed and innovatively integrated by CNPC Great Wall Drilling Company (GWDC), was put into operation at a shale oil field in Liaohe Oilfield.

As China's first intelligent drilling system with complete independent intellectual property rights, its commissioning marks a major breakthrough in high-end intelligent drilling equipment in the country. It is a milestone in enhancing the international competitiveness of China's drilling technology and advancing the digital transformation of the drilling industry.

The "Changlong” system integrates an intelligent rig, intelligent wellsite and intelligent decision-making platform, enabling "one-click" control of drilling operations such as automated tripping and drilling. It innovatively transforms drillers from traditional "operators" into "supervisors", reducing personnel exposure in high-risk zones by 95% and improving pipe tripping efficiency by 66%, significantly enhancing both safety and operational efficiency.

After over a decade of independent research and development, the "Changlong" system has achieved multiple key technological breakthroughs, reaching international leading levels in data acquisition frequency and gas detection cycle. The researchers have achieved four core technological breakthroughs, including a digital twin platform, and developed critical equipment such as an intelligent integrated mud logging unit, capable of acquiring 150 sets of data per second while autonomously completing key tasks such as geological parameter acquisition and equipment monitoring. Moreover, they have created seven intelligent decision-making platforms, including GW-ROS Parameter Optimizer and GW-AI Drilling Engineer, which generate optimized drilling commands every five seconds, equipping the rig with a "smart brain".

About CNPC

CNPC is China's largest oil and gas producer and supplier, as well as one of the world's major oilfield service providers and a globally reputed contractor in engineering construction. With a presence in almost 70 countries, we are seeking an even greater international role. We provide energy in a profitable manner, and always attach great importance to our social and environmental responsibilities.


Origine : Communiqué CNPC

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