“国产慧眼”透视万米深地
Ke Ji Ri Bao·2025-10-14 09:49

Core Viewpoint - The successful development and mass production of the CPLog ultra-high temperature and pressure logging equipment marks a historic leap for China in the extreme environment logging field, transitioning from a follower to a partial leader, thereby enhancing the reliability of deep earth exploration with domestic technology [7] Group 1: Technological Advancements - The first ultra-deep exploration well in China, the Shendi Taka 1 well, was drilled to a depth of 10,910 meters, setting multiple world records [1] - The new generation of sealing materials developed by the company combines knowledge from materials science and structural mechanics, achieving international top-level performance in temperature, pressure, and corrosion resistance [2] - The team has innovatively developed a high-frequency signal loss correction technology based on adaptive signal compensation algorithms, ensuring high-fidelity, lossless transmission of data over 13,000 meters of cable [2] Group 2: Equipment Performance - The prototype of the ultra-high temperature and pressure logging equipment can operate stably at 230 degrees Celsius and withstand pressures exceeding 170 MPa, with continuous operation exceeding 7 hours in extreme conditions [3] - The equipment has been successfully applied in key national ultra-deep well projects, completing logging operations in 44 wells across various oil and gas fields in China [6] Group 3: Software Innovations - The integration of Kalman filtering and least squares methods has significantly improved data interpretation accuracy, addressing challenges in identifying abrupt changes in geological layers [4] - The development of algorithms for real-time correction of instrument eccentricity and enhanced imaging clarity in high salinity mud environments has further optimized the equipment's performance [4] Group 4: Market Expansion and Future Goals - The CPLog equipment has been utilized in international markets, completing nearly 300 commercial operations in 2023 across eight countries, including Niger and Chad [6] - The company aims to continue focusing on national deep earth strategic needs, striving to create more advanced, reliable, and intelligent domestic logging equipment [7]