随钻测绘技术新进展及启示

doi:10.3969/j.issn.1002-302x.2022.06.008

摘要/Abstract

摘要： 随钻测绘技术基于地层电阻率等随钻测井信息，进行反演处理，可识别井筒数十米外的地层和油藏边界。该技术提高了随钻探测深度，具有普通方向性曲线及井筒成像测井不具备的超深探测特性，可在实时地质导向过程中尽早判定储层边界或油水、气水边界位置，确保井眼在储层内保持精确轨迹钻进。文章介绍了随钻测绘技术及其发展历程，总结了斯伦贝谢、贝克休斯、哈里伯顿等国际油服公司研发的特色技术和系列产品，分析了多层随钻测绘、三维油藏随钻测绘和深探测方位电阻率等新技术进展及应用情况。结合我国随钻测井技术现状，从方位电阻率测量技术、井下数据处理、数据高速传输、数据反演及油藏测绘等方面提出了攻关建议。

关键词: 随钻测绘, 电阻率测量, 反演算法, 地质导向, 储层评价

Abstract: The mapping while drilling technology is based the information logged while drilling like formation resistivity and processed the information by inversion algorithm, thus identifying the information and reservoir boundaries dozens of meters away. This technology improved The technology improves the depth detected while drilling and provided the high-value details unavailable in conventional directional curves and wellbore imaging. It allows the driller to determine the location of the reservoir boundary or oil-water, gas-water boundaries as early as possible logging during the real-time steering process, helping the driller maintain an accurate trajectory within the reservoir. This paper briefs about the mapping while drilling technology and its development process, summarizes the characteristic technology and product families developed by international oilfield service companies like Schlumberger, Halliburton and Baker Hughes, and analyzes the new developments of mapping while drilling technology, such as multilayer mapping-wile-drilling, 3D reservoir mapping-while-drilling and deep azimuthal resistivity. Based on the current conditions of Chinese logging while drilling technology, this paper comes up with some suggestions on such areas as azimuth resistivity measurement, downhole data processing, high-speed data transmission, data inversion and reservoir mapping.

中图分类号:

光新军　胡越发. 随钻测绘技术新进展及启示[J]. 石油科技论坛, 2022, 41(6): 53-61.

Guang XinJun, Hu Yuefa. New Development and Enlightenment of Mapping While Drilling Technology[J]. Petroleum Science and Technology Forum, 2022, 41(6): 53-61.

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