永和区块水平井提速技术
发布时间：2018-11-08 16:43
【摘要】：永和区块主要储层位于石盒子组和山西组,属于低孔、低渗、低丰度的气藏。本文通过对该区块地层岩性进行分析研究,结合先进水平井钻井工艺技术及设备,通过实践总结出一套包括常用井身结构及钻具组合、钻井施工要点以及钻井液体系的钻井技术。通过完善的钻井技术和统一的后勤保障,提高整个区块的开采效率,提高开发效果,降低开采成本。本文结合永和区块钻进过程中存在的难点和问题,分别从井身结构、轨迹剖面设计、轨迹控制、钻头选型及改造、钻井液体系、钻具组合优化和新进工具使用等方面入手,总结出一套适合本区块的快速钻井技术,在提高钻井速度、降低钻井成本、缩短钻井周期及加快油气资源勘探开发进程等方面具有一定的理论意义和使用价值。
[Abstract]:The main reservoirs in Yonghe block are located in Shihezi formation and Shanxi formation, which belong to low porosity, low permeability and low abundance gas reservoirs. Through the analysis and study of formation lithology in this block, combined with advanced horizontal well drilling technology and equipment, this paper summarizes a set of common shaft structure and drilling tool combination through practice. Drilling key points and drilling technology of drilling fluid system. Through perfect drilling technology and unified logistic support, the mining efficiency of the whole block is improved, the development effect is improved, and the mining cost is reduced. Combining with the difficulties and problems in the drilling process of Yonghe block, this paper starts with the following aspects: well structure, trajectory profile design, trajectory control, bit selection and transformation, drilling fluid system, drilling tool combination optimization and the use of new tools, etc. A set of rapid drilling technology suitable for this block has certain theoretical significance and practical value in improving drilling speed, reducing drilling cost, shortening drilling cycle and speeding up the exploration and development of oil and gas resources.
【学位授予单位】：东北石油大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TE243
本文编号：2319078
[Abstract]:The main reservoirs in Yonghe block are located in Shihezi formation and Shanxi formation, which belong to low porosity, low permeability and low abundance gas reservoirs. Through the analysis and study of formation lithology in this block, combined with advanced horizontal well drilling technology and equipment, this paper summarizes a set of common shaft structure and drilling tool combination through practice. Drilling key points and drilling technology of drilling fluid system. Through perfect drilling technology and unified logistic support, the mining efficiency of the whole block is improved, the development effect is improved, and the mining cost is reduced. Combining with the difficulties and problems in the drilling process of Yonghe block, this paper starts with the following aspects: well structure, trajectory profile design, trajectory control, bit selection and transformation, drilling fluid system, drilling tool combination optimization and the use of new tools, etc. A set of rapid drilling technology suitable for this block has certain theoretical significance and practical value in improving drilling speed, reducing drilling cost, shortening drilling cycle and speeding up the exploration and development of oil and gas resources.
【学位授予单位】：东北石油大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TE243
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，本文编号：2319078
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