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环保型高性能水基钻井液在山前超深井中的应用

李家学,  张绍俊,  李磊,  孙东山,  张超,  王涛

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文章导航 > 钻井液与完井液  > 2017 >  34(5): 20-26
李家学, 张绍俊, 李磊, 孙东山, 张超, 王涛. 环保型高性能水基钻井液在山前超深井中的应用[J]. 钻井液与完井液, 2017, 34(5): 20-26. doi: 10.3969/j.issn.1001-5620.2017.05.004
引用本文: 李家学, 张绍俊, 李磊, 孙东山, 张超, 王涛. 环保型高性能水基钻井液在山前超深井中的应用[J]. 钻井液与完井液, 2017, 34(5): 20-26. doi: 10.3969/j.issn.1001-5620.2017.05.004
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LI Jiaxue, ZHANG Shaojun, LI Lei, SUN Dongshan, ZHANG Chao, WANG Tao. Application of Environmentally Friendly High Performance Water Base Muds in Ultra Depp Well Drilling in Piedmont Area[J]. DRILLING FLUID & COMPLETION FLUID, 2017, 34(5): 20-26. doi: 10.3969/j.issn.1001-5620.2017.05.004
Citation: LI Jiaxue, ZHANG Shaojun, LI Lei, SUN Dongshan, ZHANG Chao, WANG Tao. Application of Environmentally Friendly High Performance Water Base Muds in Ultra Depp Well Drilling in Piedmont Area[J]. DRILLING FLUID & COMPLETION FLUID, 2017, 34(5): 20-26. doi: 10.3969/j.issn.1001-5620.2017.05.004
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环保型高性能水基钻井液在山前超深井中的应用

doi: 10.3969/j.issn.1001-5620.2017.05.004

  • 1. 塔里木油田公司油气工程研究院, 新疆库尔勒 841000;

  • 2. 塔里木油田公司库车油气开发部, 新疆库尔勒 841000;

  • 3. 能新科(中国)科技有限公司, 北京 100022

基金项目: 

国家重大专项“前陆冲断带超深井安全快速钻井技术（2016ZX05051002）”部分研究成果。

详细信息
    作者简介:

    李家学,高级工程师,博士,1979年生,毕业于西南石油大学油气井工程专业,现在从事钻井液技术研究工作。电话(0996)2174315;E-mail:liji3211979@163.com。

  • 中图分类号: TE254.3

Application of Environmentally Friendly High Performance Water Base Muds in Ultra Depp Well Drilling in Piedmont Area

  • 1. Research Institute of Oil and Gas Engineering, PetroChina Tarim Oilfield Division, Korla, Xinjiang 841000;

  • 2. Department of Kuche Oil and Gas Development, PetroChina Tarim Oilfield Division, Korla, Xinjiang 841000;

  • 3. EntiPetrotech Corp, Beijing 100022

    摘要
  • 摘要: 针对库车山前构造超深、超高压、高温、高含盐地层常规高密度水基钻井液性能调控维护困难，钻进时阻卡等事故频发，安全钻达目的层极其困难等问题，试验应用了环境保护型高性能水基钻井液。该钻井液是由多元高性能井眼稳定剂、纳米成膜封堵剂、高效润滑剂、特殊提速剂等组成，具有抑制性强、流变性和润滑性良好、环境友好、保护储层等性能。该环境保护型高性能水基钻井液在库车山前x井进行了试验应用，应用表明高性能水基钻井液性能稳定，抑制性强，润滑性能好，相比于应用油基钻井液的邻井，机械钻速快6.6%，无事故，井下复杂相对很少。该环境保护型高性能水基钻井液体系环保指标检测合格，产生的岩屑呈土本色，生物毒性小，是环境敏感地区复杂地层提高钻井清洁生产水平的途径之一。

     

    Abstract: High density water base drilling fluids have been used to drill ultra-deep, high temperature, ultra-high pressure wells penetrating salt formations in the piedmont structure in Kuche County, Xinjiang. Challenges encountered using conventional water base drilling fluids included difficulties in mud property maintenance, tight hole and pipe sticking. An environmentally friendly high performance water base drilling fluid formulated with borehole wall stabilizer, nano filming agent, high performance lubricant and specially designed fast drilling agent was tested in field operations. The high performance drilling fluid had high inhibitive capacity and good rheology and lubricity, and was environmentally friendly. It also helped protect reservoirs from being damaged. The application of this drilling fluid in a well drilled in the piedmont structure in Kuche has proved its performance as said above. Rate of penetration (ROP) of the well was 6.6% faster than the ROP of an offset well drilled with oil base drilling fluid. No drilling accidents have ever occurred, and occurrence of downhole complications was greatly reduced. This high performance low bio-toxicity water base drilling fluid has passed environment protection inspection. Drill cuttings produced were in their original colors, and were not colored by the drilling fluid. This environmentally friendly high performance drilling fluid has provided a means of drilling complex formations in environmentally sensitive area.

     

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出版历程
  • 收稿日期:  2017-07-18
  • 刊出日期:  2017-09-30

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