Zhong Guo Hua Gong Bao·2025-08-26 02:21Core Viewpoint - China National Petroleum Corporation's Bohai Drilling Company has achieved significant success in international markets, showcasing its advanced engineering technology in complex geological conditions, contributing to the Belt and Road Initiative's energy cooperation [2] Group 1: Technological Innovations - The BH-GNB combination gamma instrument made its overseas debut in Bolivia, successfully completing drilling tasks for three wells with a total of 2,703 hours of operation and a record of 14 consecutive trips without failure [3] - The BH-GNB system integrates data decoding and depth tracking functions through a unified software platform, simplifying complex equipment connections on-site [3] - In Iraq's Missan oil field, Bohai Drilling successfully applied a new cement slurry system for the first time, achieving "quality" standards in solid casing for the FQCS-105 well, overcoming significant geological challenges [4] Group 2: Operational Efficiency - The innovative dual packer acidizing technique was successfully applied for the first time in the Missan oil field, significantly reducing the operation time from an average of 29.9 days to just 13.4 days for the BUCN-217D well [5] - The new technique allows for precise targeting and layered treatment of multiple oil layers, enhancing operational efficiency [5] - Bohai Drilling's recent breakthroughs in high-end logging instruments, complex solid casing, and efficient acidizing processes demonstrate its strong R&D capabilities in addressing global challenges such as high temperature, high pressure, and multi-layer operations [5]