Core Insights - China National Offshore Oil Corporation (CNOOC) has successfully completed surface operations for six development wells in the Dongfang 1-1 gas field, setting a new domestic record for drilling speed with a maximum daily penetration of 2,618 meters on August 12 [1][3] - This project is notable as it is China's first high-temperature, high-pressure, low-permeability natural gas development project, with reservoir temperatures reaching 150 degrees Celsius and pressure coefficients exceeding 1.8 [1][3] Group 1 - The drilling operation not only represents a breakthrough in offshore drilling speed but also surpasses the drilling speed records of onshore gas wells [3] - The operation team utilized a self-developed "Drilling Optimization System" that employs big data analysis to optimize drilling parameters, allowing for efficient coordination among various technical personnel and equipment [3] - During the 14th Five-Year Plan period, CNOOC is aggressively advancing oil and gas reserve enhancement projects, with an average of nearly 1,000 offshore wells drilled annually, marking a 40% increase compared to the 13th Five-Year Plan [3] Group 2 - The number of wells in new fields such as deep, ultra-deep, deep water, and ultra-high temperature and pressure has doubled compared to the 13th Five-Year Plan [3] - Overall drilling and completion efficiency has improved by 15% [3]