The application of geosteering technology for shale gas horizontal well:A case from Well A in southeast Sichuan

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  • 1.State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development,Beijing 100101,China;
    2.SINOPEC Research Institute of Petroleum Engineering,Beijing 100101,China;
    3.East China Branch of SINOPEC,Nanjing 210011,China

Received date: 2016-02-18

  Revised date: 2016-04-20

  Online published: 2019-09-06

Abstract

Southeast Sichuan has been at the forefront of shale gas exploration and production of China.However,problems such as relatively scarce well data,obvious contradiction between logging and seismic data,poor representativeness of cuttings,and longer horizontal section,have made it difficult to do geosteering drilling.Aimed at the difficulties,geosteering of exploratory Well A for shale gas has been executed by the geosteering method of three steps.First,based on regional geological data and logging curve characteristics of guide hole well,marker beds were determined,which provided a basis for correlation of strata while drilling.In geosteering stage before A target,combined with gas logging data,micro-characteristics of logging curve were analyzed to identify the maker beds,and the drilling track was adjusted according to the predicted depth of A target,to ensure precise target hitting.In the geosteering stage for the horizontal section,the variation trend of GR curve while drilling was analyzed,and the bit location was determined.The drilling track was controlled in target window by marker beds.Finally,the length of high quality shale of horizontal section is 1 317m,the drilling ratio was 100%,and the effect was remarkable.The geosteering technology is suitable for shale gas horizontal well drilling in southeast Sichuan,and can effectively improve the drilling ratio of high quality shale,and has high reference value to geosteering of other domestic shale gasfield.

Cite this article

Liu Jiang-tao, Li Yong-jie, Zhu Jie-ping, Han Ke-ning, Zhang Pei-xian, He Gui-song, Long Zhi-Ping . The application of geosteering technology for shale gas horizontal well:A case from Well A in southeast Sichuan[J]. Natural Gas Geoscience, 2016 , 27(12) : 2223 -2230 . DOI: 10.11764/j.issn.1672-1926.2016.12.2223

References

[1]Su Yi’nao.Drilling technology and its development in China[J].etroleum Exploration and Development,2005,32(1):92-95.[苏义脑.地质导向钻井技术概况及其在我国的研究进展[J].石油勘探与开发,2005,32(1):92-95.]
[2]Rong Haibo,He Changhua.State of the art and development of geosteering drilling at home and abroad[J].Drilling & Production Technology,2006,29(2):7-9.[荣海波,贺昌华.国内外地质导向钻井技术现状及发展[J].钻采工艺,2006,29(2):7-9.]
[3]Zhang Ji,Chen Fengxi,Lu Tao,et al.Horizontal well geosteering technology and its application in development of Jingbian Gasfield[J].Natural Gas Geoscience,2008,19(1):137-140.[张吉,陈凤喜,卢涛,等.靖边气田水平井地质导向方法与应用[J].天然气地球科学,2008,19(1):137-140.]
[4]Li Jijun,Yan Hang,Yan Jianian,et al.The application of geosteering technology for horizontal well in the N1-N12 reservoir of Gas-Oil Field[J].Natural Gas Geoscience,2012,23(5):960-966.[李吉军,于航,严嘉年,等.水平井地质导向技术在尕斯库勒油田N1_N12油藏应用研究[J].天然气地球科学,2012,23(5):960-966.]
[5]Qin Zongchao,Liu Yinggui,Xing Weiqi,et al.Application of horizontal well geosteering technique in complex fluvial oil field:Taking Caofeidian 11-1 Oilfield as an example[J].Petroleum Exploration and Development,2006,33(3):378-382.[秦宗超,刘迎贵,邢维奇,等.水平井地质导向技术在复杂河流相油田中的应用——以曹妃甸11-1油田为例[J].石油勘探与开发,2006,33(3):378-382.]
[6]Tang Qinxi.Application of geosteering technology in the development of Sulige Gasfield:A case studies of the Su10 and Su53 blocks[J].Oil & Gas Geology,2013,34(3):388-393.[唐钦锡.水平井地质导向技术在苏里格气田开发中的应用——以苏10和苏53区块为例[J].石油与天然气地质,2013,34(3):388-393.]
[7]Wu Baoyu,Luo Li,Zhang Shudong,et al.Application of LWD geosteering to improve the payzone-encountered rate by horizontal well drilling:A case history in the Moxi Gasfield[J].Nature Gas Industry,2010,30(12):63-69.[吴宝玉,罗利,张树东,等.基于随钻测井的产层导向技术在水平井中的应用——以川中磨溪气田为例[J].天然气工业,2010,30(12):63-69.]
[8]Wu Zexin.Application of geologic steering technique of horizontal well in complex thin layer and low permeability gas reservoir:A case from a district in Sulige Gasfield[J].Natural Gas Geoscience,2013,24(4):859-863.[吴则鑫.水平井地质导向技术在苏里格气田苏53区块的应用[J].天然气地球科学,2013,24(4):859-863.]
[9]Liu Haifeng,Wang Dongxu,Xia Yong,et al.Development geology key technology for horizontal wells of carbonate gas reservoir with low permeability and thin layer[J].Natural Gas Geoscience,2013,24(5):1037-1041.[刘海峰,王东旭,夏勇,等.低渗薄层碳酸盐岩气藏水平井开发地质关键技术[J].天然气地球科学,2013,24(5):1037-1041.]
[10]Fei Shixiang,Wang Dongxu,Lin Gang,et al.The key geological technology for horizontal wells overall development in tight sandstone gas reservoirs:Take the Sudongnan area of Sulige Gasfield for an example[J].Natural Gas Geoscience,2014,25(10):1620-1629.[费世祥,王东旭,林刚,等.致密砂岩气藏水平井整体开发关键地质技术——以苏里格气田苏东南区为例[J].天然气地球科学,2014,25(10):1620-1629.]
[11]Sun Kunzhong,Liu Jiangtao,Wang Wei,et al.Geosteering drilling techniques of horizontal sidetracking well JA,Southeast Sichuan[J].Petroleum Drilling Techniques,2015,43(4):138-142.[孙坤忠,刘江涛,王卫,等.川东南JA侧钻水平井地质导向技术[J].石油钻探技术,2015,43(4):138-142.]
[12]Fang Xixian,Wu Fuzou,Li Wende,et al.Methods study on geosteering in the horizontal wells of unconventional oil and gas[J].Petroleum Geology and Engineering,2012,26(5):89-93.
[方锡贤,吴富邹,李文德,等.非常规油气水平井地质导向方法探讨[J].石油地质与工程,2012,26(5):89-93.]
[13]Susan Smith Nash.An analysis and outlook of technology strategy for shale plays:independents vs.Majors[J].Petroleum Drilling Techniques,2014,42(5):1-8.[苏珊·史密斯·纳什.国际石油公司页岩气开发技术策略分析与展望[J].石油钻探技术,2014,42(5):1-8.]
[14]Xu Ershe,Li Zhiming,Yang Zhenheng.Thermal and hydrocarbon generation history of Wufeng and Longmaxi shales in Pengshui area,eastern Sichuan Basin:A well PY1 case study[J].Petroleum Geology & Experiment,2015,37(4):494-499.[徐二社,李志明,杨振恒.彭水地区五峰_龙马溪组页岩热演化史及生烃史研究——以PY1井为例[J].石油试验地质,2015,37(4):494-499.]
[15]Wang Xiuping,Mou Chuanlong,Ge Xiangying,et al.Mineral component characteristics and evaluation of black rock series of Longmaxi formation in Southern Sichuan and its periphery[J].Acta Petrolei Sinica,2015,36(2):150-162.[王秀平,牟传龙,葛详英,等.川南及邻区龙马溪组黑色岩系矿物组分特征及评价[J].石油学报,2015,36(2):150-162.]
[16]Zhang Zhengshun,Hu Peiqing,Shen Juan,et al.Mineral compositions and organic matter occurrence modes of Lower Silurian Longmaxi Formation of Sichuan Basin[J].Journal of China coal Society,2013,38(5):766-771.[张正顺,胡沛青,沈娟,等.四川盆地志留系龙马溪组页岩矿物组成与有机质赋存状态[J].煤炭学报,2013,38(5):766-771.]
[17]Mou Chuanlong,Zhou Kenken,Liang Wei,et al.Early Paleozoic sedimentary environment of hydrocarbon source rocks in the Middle-Upper Yangtze Region and petroleum and gas exploration[J].Acta Geologica Sinica,2011,85(4):526-532.[牟传龙,周恳恳,梁薇,等.中上扬子地区早古生代烃源岩沉积环境与油气勘探[J].地质学报,2011,85(4):526-532.]
[18]Guo Yinghai,Li Zhuangfu,Li Dahua,et al.Lithofacies palaeogeography of the Early Silurian in Sichuan area[J].Journal of Palaeogeography,2004,6(1):20-29.[郭英海,李壮福,李大华,等.四川地区早志留世岩相古地理[J].古地理学报,2004,6(1):20-29.]
[19]Guo Xusheng.Rule of two-factor enrichiment for marine shale gas in Southern China:Understanding from the Longmaxi formation shale gas in Sichuan Basin and its surrounding area[J].Acta geologica sinica,2014,88(7):1209-1218.[郭旭升.南方海相页岩气“二元富集”规律——四川盆地及周缘龙马溪页岩气勘探实践认识[J].地质学报,2015,88(7):1209-1218.]
[20]Chen Zeming,Yong Ziquan,Zhu Jieping,et al.Features of Wufeng Formation and Longmaxi Formation shale in Nanchuan,southeast of Sichuan,China[J].Journal of Chengdu university of technology:Science & Technology Edition,2013,40(6):696-672.[陈泽明,雍自权,朱杰平,等.四川盆地东南部南川地区五峰组—龙马溪组页岩特征[J].成都理工大学学报:自然科学版,2013,40(6):696-672.]
[21]He Long,Hu Daliang,Zhu Hong.Drilling technologies for shale gas horizontal well Dingye 2HF[J].Petroleum Drilling Techniques,2014,42(7):125-130.[何龙,胡大梁,朱弘.丁页2HF页岩气水平井钻井技术[J].石油钻探技术,2014,42(7):125-130.]
[22]Cao Chunhui,Zhang Mingjie,Tang Qingyan,et al.Geochemical Characteristics and implications of shale gas in Longmaxi Formation,Sichuan Basin,China[J].Natural Gas Geoscience,26(8):1601-1612.[曹春辉,张铭杰,汤庆艳,等.四川盆地志留系龙马溪组页岩气气体地球化学特征及意义[J].天然气地球科学,2015,26(8):1604-1612.]
[23]Zhang Xiaoming,Shi Wanzhong,Xu Qinghai,et al.Reservoir characteristics and controlling factors of shale gas in Jiaoshiba area,Sichuan Basin[J].Acta Petrolei Sinica,2015,36(8):926-940.[张晓明,石万忠,徐清海,等.四川盆地焦石坝地区页岩气储层特征及控制因素[J].石油学报,2015,36(8):926-940.]
[24]Xie Weiyang,Li Xiaoping,Zhang Liehui,et al.Transient production decline analysis for multi-fractured horizontal well in shale gas reservoirs[J].Natural Gas Geoscience,2015,26(2):384-390.[谢维扬,李晓平,张烈辉,等.页岩气多级压裂水平井不稳定产量递减探讨[J].天然气地球科学,2015,26(2):384-390.]

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