松辽盆地难采储量钻完井技术现状及对策建议

doi:10.3969/j.issn.1672-7703.2022.05.012

摘要/Abstract

摘要： 松辽盆地难采储量资源丰富，实现该类资源的经济有效动用是提升我国能源自给率的现实路径。松辽盆地致密油水平井钻井周期、水平段长度等关键指标远落后于北美及川渝等地区，尚未形成集约化建井模式，钻井提速提效潜力巨大。通过开展地质工程一体化研究，提升储层钻遇率；开展大平台井组、长水平段水平井等多井型集约化钻完井技术研究，实现钻井全面提速；开展页岩油高性能水基钻井液技术和薄层稠油开发配套技术研究，降低钻井作业复杂；开展近钻头地质导向、一趟钻工艺等先进实用技术集成应用，推动松辽盆地难采储量钻井效率和单井产量大幅提高，持续降低钻井周期和作业成本。配套钻完井技术升级将为高效动用松辽盆地难采储量提供有力支撑。

关键词: 松辽盆地, 难采储量, 地质工程一体化, 集约化建井, 一趟钻, 集成应用

Abstract: Songliao Basin has abundant hard-to-recover reserves. The economic and effective utilization of this type of resources is a realistic way to improve the degree of energy self-sufficiency in China. The key indicators such as drilling cycle and horizontal section length of tight oil wells in Songliao Basin are much worse than those in North America, Sichuan and Chongqing region, and the intensive well construction mode has not been formed yet, which show a great potential of drilling speed and efficiency improvement. The geology and engineering integrated study is conducted to increase the drilling rate of reservoir; The intensive drilling and completion technology of multi well types such as large platform well group and long horizontal well is developed to significantly increase the drilling speed; The high-performance water-based drilling fluid technology for shale oil and supporting technology for thin-layer heavy oil development are researched to reduce the complexity in drilling operations; The integrated application of advanced and applicable technologies such as near bit geo-steering system and one trip drilling technology enables to greatly improve the drilling efficiency and single well production, as well as continuously reduce the drilling cycle and operation cost of hard-to-recover reserves in Songliao Basin. The improvement of supporting drilling and completion technology will provide strong support for the high-efficiency production of hard-to-recover reserves in Songliao Basin.

中图分类号:

TE22

乔磊, 刘奕杉, 车阳, 杨振科, 韩金良. 松辽盆地难采储量钻完井技术现状及对策建议[J]. 中国石油勘探, 2022, 27(5): 130-137.

Qiao Lei, Liu Yishan, Che Yang, Yang Zhenke, Han Jinliang. Technical status and countermeasures of drilling and completion technology for hard-to-recover reserves in Songliao Basin[J]. China Petroleum Exploration, 2022, 27(5): 130-137.

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