吉木萨尔页岩油录井综合地质导向技术应用研究

doi:10.3969/j.issn.1672-9803.2023.01.008

录井工程 ›› 2023, Vol. 34 ›› Issue (1): 47-53.doi: 10.3969/j.issn.1672-9803.2023.01.008

吉木萨尔页岩油录井综合地质导向技术应用研究

王俊^①, 岳红星^②, 秦榜伟^①, 罗鸿成^②, 龚超^①, 王跃昆^①

①中国石油渤海钻探第一录井公司;
②中国石油新疆油田公司吉庆油田作业区

收稿日期:2023-02-08 出版日期:2023-03-25 发布日期:2023-04-14
作者简介:王俊工程师,1985年生,2008年毕业于中国石油大学（华东）资源勘查工程专业,现在中国石油渤海钻探第一录井公司从事录井综合解释评价工作。通信地址：300280 天津市滨海新区大港油田三号院团结东路第一录井公司。电话：（022）25923610。E-mail：huoo06777@163.com

Study on the application of mud logging integrated geosteering technology to Jimsar shale oil

WANG Jun^①, YUE Hongxing^②, QIN Bangwei^①, LUO Hongcheng^②, GONG Chao^①, WANG Yuekun^①

①No.1 Mud Logging Company, BHDC, CNPC, Tianjin 300280,China;
②Jiqing Oilfield Operation Area of PetroChina Xinjiang Oilfield Company, Jmser County, Xinjiang 831700,China

Received:2023-02-08 Online:2023-03-25 Published:2023-04-14

摘要/Abstract

摘要： 目前吉木萨尔页岩油开发采用长水平段水平井,目标地层单层厚度薄、岩性复杂、水平段长、断裂与微构造发育,仅靠随钻测井曲线进行地质导向难度大。通过对该地区“下甜点”地层录井特征的研究,优选钻时、气测全烃、斜长石含量、碳酸盐岩总量4个录井敏感参数来识别地层,指导综合地质导向,提升甜点钻遇率。通过建立这4个录井敏感参数交会图板发现,该地区“下甜点”地层的优质“甜点”同时也是工程“甜点”,提高优质“甜点”钻遇率的同时亦提高了水平段钻进效率,可在实现地质目的的同时,兼顾工程提速与井筒质量。其在该地区21口井的地质导向应用中取得了良好的效果,平均优质“甜点”钻遇率提升2.1%,平均机械钻速提高14.7%,为该地区页岩油一体化高效开发提供了有效支撑。

关键词: 地质导向, 页岩油, 优质“甜点”, 钻遇率, “甜点”模型, 水平井

Abstract: Jimsar shale oil is currently developed using long horizontal section horizontal wells. Because of the thin single-layer thickness, complex lithology, long horizontal sections, and developed faults and microstructures in the target strata, it is difficult to conduct geosteering only by LWD curves. Through the study of the mud logging characteristics of "the lower sweet spot" strata in this area, four mud logging sensitive parameters of drilling time,gas logging total hydrocarbon, plagioclase content and total carbonate rock are optimized to identify the strata, guide the integrated geosteering and improve rate of "sweet spot" drilling encountered. Through the establishment of the crossplot charts of these four mud logging sensitive parameters for this area, it is found that the high-quality "sweet spots" of " the lower sweet spot" strata are also the engineering "sweet spots". While improving the rate of high-quality "sweet spot" drilling encountered, it is also improving the drilling efficiency of horizontal sections. While realizing the geological purpose, the efficiency achieved in engineering and wellbore quality should be taken into account. Mud logging integrated geosteering technology has achieved good results in geosteering of 21 wells in this area, with the rate of high-quality "sweet spot" drilling encountered increased by 2.1% and the average ROP enhanced by 14.7%, providing effective support for the integrated and efficient development of shale oil in this area.

Key words: geosteering, shale oil, high-quality "sweet spot", drilling encountered rate, "sweet spot" model, horizontal well

中图分类号:

TE132.1

王俊, 岳红星, 秦榜伟, 罗鸿成, 龚超, 王跃昆. 吉木萨尔页岩油录井综合地质导向技术应用研究[J]. 录井工程, 2023, 34(1): 47-53.

WANG Jun, YUE Hongxing, QIN Bangwei, LUO Hongcheng, GONG Chao, WANG Yuekun. Study on the application of mud logging integrated geosteering technology to Jimsar shale oil[J]. Mud Logging Engineering, 2023, 34(1): 47-53.

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吉木萨尔页岩油录井综合地质导向技术应用研究

Study on the application of mud logging integrated geosteering technology to Jimsar shale oil

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