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Digital intelligence well construction technology based on engineering geology integration——Take ZD oilfield as an example
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Journal Article
Digital intelligence well construction technology based on engineering geology integration——Take ZD oilfield as an example
2025
Overview
After nearly 30 years of exploration and development, ZD Oilfield has entered the development period of ultra-high water cut, and has encountered technical and management bottlenecks in geological reservoirs, drilling and completion, and equipment and facilities. The underground wellbore is distributed in a three-dimensional staggered spider web, the anti-collision relationship is extremely complex, the construction is difficult, and the well control safety requirements are high. ZD Oilfield mainly uses 3D trajectory design model and mechanical simulation system to optimize well trajectory, automatic directional drilling system to realize geological and engineering integration and efficient operation management, real drilling monitoring system to improve drilling engineering efficiency, and wellbore risk intelligent early warning and decision-making system to effectively reduce drilling engineering risk. Through the strict operation management and the auxiliary application of intelligent means on site, the efficiency of drilling and completion operations and the scientific decision-making of decision-making are improved, and the quality of well construction projects is improved. If the drilling difficulty continues to increase, the drilling cycle and well construction cycle will decrease from 11.89 days and 23.01 days in 2021 to 8.42 days and 19.91 days in 2024, respectively, and the cementing quality pass rate will increase from 74.18% to 97.41%. At the same time, the drilling and completion problems of the long and stable slope section of the highly difficult and large deviate well were overcome.
Publisher
IOP Publishing
Subject
