中短半径井眼固井防砂一体化管柱研究与试验

郝宙正, 左凯, 刘禹铭, 李宁, 魏爱拴, 王明杰

郝宙正, 左凯, 刘禹铭, 李宁, 魏爱拴, 王明杰. 中短半径井眼固井防砂一体化管柱研究与试验[J]. 石油钻探技术, 2019, 47(2): 99-104. DOI: 10.11911/syztjs.2019012
引用本文: 郝宙正, 左凯, 刘禹铭, 李宁, 魏爱拴, 王明杰. 中短半径井眼固井防砂一体化管柱研究与试验[J]. 石油钻探技术, 2019, 47(2): 99-104. DOI: 10.11911/syztjs.2019012
HAO Zhouzheng, ZUO Kai, LIU Yuming, LI Ning, WEI Aishuan, WANG Mingjie. Research and Testing of the Integrated String for Cementing and Controlling Sand in a Medium-Short Radius Wellbore[J]. Petroleum Drilling Techniques, 2019, 47(2): 99-104. DOI: 10.11911/syztjs.2019012
Citation: HAO Zhouzheng, ZUO Kai, LIU Yuming, LI Ning, WEI Aishuan, WANG Mingjie. Research and Testing of the Integrated String for Cementing and Controlling Sand in a Medium-Short Radius Wellbore[J]. Petroleum Drilling Techniques, 2019, 47(2): 99-104. DOI: 10.11911/syztjs.2019012

中短半径井眼固井防砂一体化管柱研究与试验

基金项目: 中国海洋石油总公司科技项目“完井防砂系列工具研制Ш期”(编号:CNOOC–KJ135KJXMNFGJ2016–01)资助
详细信息
    作者简介:

    郝宙正(1984—),男,天津人,2008年毕业于中北大学机械设计制造及自动化专业,工程师,主要从事钻完井工艺及工具研发工作。E-mail:haozhzh@cnooc.com.cn

  • 中图分类号: TE52

Research and Testing of the Integrated String for Cementing and Controlling Sand in a Medium-Short Radius Wellbore

  • 摘要:

    为了解决渤海油田中短半径裸眼井固井防砂一体化作业无适用管柱的问题,针对渤海油田的开发情况与技术现状,设计了一套适用于中短半径井眼的固井防砂一体化管柱,对其安全性、通过性的分析结果发现:该管柱在下入过程中不会出现螺旋弯曲,安全性达到了要求;可以顺利通过最大狗腿度为19.28°/30 m、曲率半径为89.20 m的井眼。试验井试验和现场试验均表明:中短半径井眼固井防砂一体化管柱的安全性和通过性达到了设计要求,能实现实现一趟钻完成上部井段固井作业和下部储层段选择性固井和砾石充填防砂作业的功能,能够满足渤海油田中短半径裸眼井实施固井防砂一体化作业的需求。

    Abstract:

    In order to solve the problem that there is no applicable integrated cementing/sand control pipe string for a medium-short radius open hole in Bohai Oilfield, a set of such pipe string suitable for medium-short radius wellbore was designed based on development and technical status of Bohai Oilfield, which analyzed its safety and passability. The results suggested that this pipe string would not spirally bend in the process of running in hole, the safety could be acceptable, and it could smoothly pass through the wellbore with a maximum dogleg of 19.28°/30 m and curvature radius of 89.20 m. Both the results of testing well and field test showed that the safety and passability of the integrated cementing/sand control pipe string for the medium-short radius open hole met the requirement of design. They also demonstrated that the cementing of the upper hole section and the selective cementing/gravel packing sand control of lower reservoir section can be achieved in one run, which can fulfill the integrated cementing/sand control for the medium-short radius open hole in Bohai Oilfield effectively.

  • 图  1   固井防砂一体化外管柱

    Figure  1.   Integrated cementing/sand control outer pipe string

    图  2   固井防砂一体化内管柱

    Figure  2.   Integrated cementing/sand control inner pipe string

    图  3   钻杆碰压阀

    Figure  3.   Drill pipe pressure valve

    图  4   导流充填滑套总成

    Figure  4.   Diversion packing sliding sleeve assembly

    图  5   刚性部件通过井眼曲率的约束几何模型

    Figure  5.   Constrained geometric model of the rigid part passing through the curvature of wellbore

    图  6   充填排量与沙丘比的关系曲线

    Figure  6.   Relationship curves between packing flowrate and sand dune ratio

    表  1   固井防砂一体化管柱各功能状态下的循环排量和压力测试结果

    Table  1   Circulation flowrate and pressure test of integrated cementing/sand control inner pipe string under each functional state

    排量/(L·min–1 下入时循环压力/MPa 充填循环压力/MPa 反循环压力/MPa 注水泥循环压力/MPa 清洗水泥循环压力/MPa
    160 0.32
    300 0 0
    600 0.30 1.12 0 2.80 0
    900 0.40 2.60 3.80 4.20 0
    1 000 5.80 5.00 4.30 0
    1 200 10.00 4.50
    1 400 10.20 4.80 5.30
    1 500 13.00 5.50
    1 600 12.00
    2 000 6.50 7.00
    下载: 导出CSV

    表  2   管柱过窗口和不同狗腿度裸眼段的摩擦阻力

    Table  2   Frictional resistance of the pipe string passing through the window and the open hole section with different doglegs

    试验次序 通过窗口前的悬重/kN 通过窗口时的摩阻/kN 狗腿度/((°)·(30 m)–1 摩阻/kN
    下放 上提 下放 上提 下放 上提
    第1次 350 360 5~10 5~10 5.43 5~10 5~10
    第2次 350 360 10.11 10~15 5~15
    第3次 350 360 12.52 20~30 5~15
    第4次 350 360 15.49 30~40 8~18
    第5次 350 360 16.15 30~45 8~18
    下载: 导出CSV
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出版历程
  • 收稿日期:  2018-05-22
  • 修回日期:  2018-12-03
  • 网络出版日期:  2019-01-02
  • 刊出日期:  2019-02-28

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