Core Viewpoint - China National Offshore Oil Corporation (CNOOC) has achieved a significant milestone in offshore oil and gas development by setting a new record for daily drilling progress in a single well, indicating advancements in high-temperature and high-pressure oil and gas development technology in China [1] Group 1 - CNOOC's project in the Yinggehai sea area of Hainan has successfully drilled a well that reached a daily drilling depth of 2,618 meters [1] - This achievement marks a new record for single well daily drilling progress in China's oil and gas sector [1] - The development signifies that China's offshore high-temperature and high-pressure oil and gas development technology has reached an internationally advanced level [1]

Group 1 - The core achievement of the project is the record-breaking drilling speed of 2618 meters in a single day, marking a significant advancement in China's offshore high-temperature and high-pressure oil and gas development technology [1] - The well drilled is part of China's first high-temperature, high-pressure, and low-permeability natural gas development project, with a design depth exceeding 5800 meters and a bottom temperature reaching 150 degrees Celsius, indicating the complexity of the operation [1] - The project team utilized intelligent technology to enhance drilling speed, achieving a 50% increase in overall operational efficiency through dynamic optimization of operational parameters and automated tracking of downhole conditions [1] Group 2 - During the 14th Five-Year Plan period, China has significantly promoted offshore oil and gas development, with an average annual number of offshore wells reaching nearly 1000, a 40% increase compared to the previous five-year period [2] - The number of wells in new fields such as deep, ultra-deep, deep water, ultra-deep water, high temperature, and ultra-high temperature and pressure has doubled compared to the previous five-year period, with overall drilling and completion efficiency improving by 15% [2]