Status, challenges and development countermeasures of deep-sea logging technology and equipment

DaZhong REN, YuBin SHAO, AiZhong YUE, XueLi HOU, JiaXiong LIU, ShengWen QI

Prog Geophy ›› 2025, Vol. 40 ›› Issue (5) : 2237-2246.

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Prog Geophy ›› 2025, Vol. 40 ›› Issue (5) : 2237-2246. DOI: 10.6038/pg2025JJ0088

Status, challenges and development countermeasures of deep-sea logging technology and equipment

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Abstract

The reserve and production of oil and gas exploration and development in the global sea areas have been steadily increasing. The growth rate of ultra-deepwater oil and gas production has exceeded that of deepwater, making it a strategic replacement area for global oil and gas resources. Offshore oil and gas are a crucial part of China's oil and gas energy. With the advancement of offshore exploration towards deepwater and ultra-deepwater, it is extremely urgent to improve the technical service guarantee capabilities for exploration and well logging in these areas. Due to the special characteristics of the offshore exploration environment, such as complex structures, diverse lithologies, high temperatures and high pressures, there are special and complex requirements for the functions and performance of well logging instruments, and the technical difficulty is extremely high. Most offshore drillings are cluster wells or multi-branched wells, featuring large deviation angles, large displacements or horizontal wells. This requires well logging instruments to have higher operational efficiency and measurement accuracy. This paper sorts out and summarizes the technical bottlenecks and challenges faced by China's deepwater well logging technology and equipment. Combining with the development status, it puts forward development trends and suggestions, aiming to provide technical support for the exploration and development of China's deepwater oil and gas resources.

Key words

Deepwater oil and gas / Exploration and development / Logging technology / High temperature and high pressure / Development trend

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DaZhong REN , YuBin SHAO , AiZhong YUE , et al . Status, challenges and development countermeasures of deep-sea logging technology and equipment[J]. Progress in Geophysics. 2025, 40(5): 2237-2246 https://doi.org/10.6038/pg2025JJ0088

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