Volume 33 Issue 5
Sep.  2016
Turn off MathJax
Article Contents
LIANG Wenli, SONG Jinchu, CHEN Zhiyuan, LIU Jing, MEI Luqiang. Oil Base Drilling Fluid for Drilling Shale Gas Wells in Fuling[J]. DRILLING FLUID & COMPLETION FLUID, 2016, 33(5): 19-24. doi: 10.3969/j.issn.1001-5620.2016.05.004
Citation: LIANG Wenli, SONG Jinchu, CHEN Zhiyuan, LIU Jing, MEI Luqiang. Oil Base Drilling Fluid for Drilling Shale Gas Wells in Fuling[J]. DRILLING FLUID & COMPLETION FLUID, 2016, 33(5): 19-24. doi: 10.3969/j.issn.1001-5620.2016.05.004

Oil Base Drilling Fluid for Drilling Shale Gas Wells in Fuling

doi: 10.3969/j.issn.1001-5620.2016.05.004
  • Received Date: 2016-07-09
  • Publish Date: 2016-09-30
  • Horizontal drilling has been used in developing the block Jiaoshiba in Fuling, Chongqing. The horizontal section, more than 1,500 m in length, penetrated the lower Longmaxi mudstone formation, which has high clay contents, and is brittle and full of micro fractures. The vertical depths of the wells drilled in this area were deeper than 3,500 m. Deep well shale gas development in this area has been faced with difficulties such as high well temperature, cutting carrying, borehole wall collapse in some wells, over-pulls during tripping, and lost returns of muds in some wells, all of these have caused waste of manpower and material resources. To solve these problems, a diesel oil base drilling fluid has been studied for use in shale gas drilling. The diesel oil base drilling fluid formulated had good high temperature stability; at low oil/water ratio (70:30) the fluid was still stable. Two LCMs, were added in the oil base drilling fluid; one was a high purity ultra-fine CaCO3 mixed with an organic gel LCM which can plug fractures of 2 mm in width, and can stand pressure of 7 MPa. The other LCM, a nano graphite powder mixed with ultra-fine sepiolite fibers, can be used to plug micro fractures of 0.1 mm in width, and can stand pressure of 20 MPa. Field application demonstrated that this oil base mud greatly stabilized the borehole wall in easy-to-collapse hole sections, and reduced the average rate of hole diameter enlargement to less than 3%. Good lubricity of the mud made trip very smooth. The property of the mud was stable during the whole drilling period and was easy to maintain. Downhole problems previously encountered such as lost circulation and borehole wall instability were mitigated to acceptable levels. Field application proved the suitability of diesel oil base drilling fluid in shale gas horizontal drilling in Fuling area.

     

  • loading
  • 郭彤楼,刘若冰. 复杂构造区高演化程度海相页岩气勘探突破的启示:以四川盆地东部盆缘JY1井为例[J]. 天然气地球科学,2013,24(4):643-651. GUO Tonglou,LIU Ruobing.Implications from marine shale gas exploration breakthrough in complicated structural area at high thermal stage:Taking Longmaxi Formation in well JY1 as an example[J].Natural Gas Geoscience,2013,24(4):643-651.
    郭彤楼,张汉荣. 四川盆地焦石坝页岩气田形成与富集高产模式[J]. 石油勘探与开发,2014,41(1):28-36. GUO Tonglou, ZHANG Hanrong.Formation and enrichment mode of Jiaoshiba shale gas field, Sichuan Basin[J].Petroleum Exploration and Development,2014, 41(1):28-36.
    刘若冰. 中国首个大型页岩气田典型特征[J]. 天然气地球科学,2015,26(8):1488-1498. LIU Ruobing.Typical features of the first giant shale gas field in china[J].Natural Gas Geoscience,2015,26(8):1488-1498.
    陶怀志,吴正良,贺海. 国产油基钻井液CQ-WOM首次在页岩气威远H3-1井试验[J]. 钻采工艺,2014, 37(5):87-90. TAO Huaizhi,WU Zhengliang,HE Hai.Tests of oil base drilling fluid CQ-WOM made in china in WeiYuan H3-1shale gas well[J].Drilling and Production Technology,2014,37(5):87-90.
    刘均一,邱正松,罗洋,等. 油基钻井液随钻防漏技术实验研究[J]. 钻井液与完井液,2015,32(5):10-14. LIU Jun yi,QIU Zheng Song,LUO Yang,et al.Oil based drilling fluid while drilling leakage protection technology research[J].Drilling Fluid & Completion Fluid,2015,32(5):10-14.
    刘明华,孙举,王中华,等. 非常规油气藏水平井油基钻井液技术[J]. 钻井液与完井液,2013,30(2):1-5. LIU Ming hua,SUN Ju,WANG Zhong hua,et al. Oil based drilling fluid technology in horizontal wells with unconventional oil-gas research[J].Drilling Fluid & Completion Fluid,2013,30(2):1-5.
    何涛,李茂森,杨兰平,等. 油基钻井液在威远地区页岩气水平井中的应用[J]. 钻井液与完井液,2012, 29(3):1-5. He Tao,Li Maosen,Yang Lanping,et al.Application of oil based drilling fluid in shale gas horizontal well in district of Wei yuan[J].Drilling Fluid & Completion Fluid,2012,29(3):1-5.
    何恕,李胜,王显光,等. 高性能油基钻井液的研制及在彭页3HF井的应用[J]. 钻井液与完井液,2013, 30(5):1-4. HE Shu,LI Sheng,WANG Xianguang,et al.Research on high performance oil-based drilling fluid and its application on well Pengye3HF[J].Drilling Fluid & Completion Fluid,2013,30(5):1-4.
    何振奎. 泌页HF-1井油基钻井液技术[J]. 石油钻探技术,2012, 40(4):32-37. He Zhenkui.Oil base drilling fluid technology applied in well Biye HF-1[J].Petroleum Drilling Techniques,2012, 40(4):32-37.
    王建华,李建男,闫丽丽,等. 油基钻井液用纳米聚合物封堵剂的研制[J]. 钻井液与完井液,2013,30(6):5-8. Wang Jian hua, Li Jian nan,Yan Lili,et al.The development and performance evaluation of plungging agent for oil-base drilling fluids[J].Drilling Fluid & Completion Fluid,2013,30(6):5-8.
    李红梅,申峰,吴金桥,等. 新型油基钻井液堵漏剂性能[J]. 钻井液与完井液,2016,33(2):41-44. LI Hongmei,SHEN Feng,WU Jinqiao,et al.Study on performance of a new oil base mud lost circulation material[J].Drilling Fluid & Completion Fluid,2016, 33(2):41-44.
    覃勇,蒋官澄,邓正强,等. 抗高温油基钻井液主乳化剂的合成与评价[J]. 钻井液与完井液,2016,33(1):6-10.
    QIN Yong,JIANG Guancheng,DENG Zhengqiang, et al.Synthesis and evaluation of a primary emulsifier for high temperature oil base drilling fluid[J].Drilling Fluid & Completion Fluid,2016,33(2):41-44.
  • 加载中

Catalog

    通讯作者: 陈斌, bchen63@163.com
    • 1. 

      沈阳化工大学材料科学与工程学院 沈阳 110142

    1. 本站搜索
    2. 百度学术搜索
    3. 万方数据库搜索
    4. CNKI搜索

    Article Metrics

    Article views (433) PDF downloads(422) Cited by()
    Proportional views
    Related

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return