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抗高温井下交联固结堵漏技术在塔河油田的应用

陈曾伟,  王悦坚,  李大奇,  刘四海,  林永学

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文章导航 > 钻井液与完井液  > 2015 >  32(3): 42-46
陈曾伟, 王悦坚, 李大奇, 刘四海, 林永学. 抗高温井下交联固结堵漏技术在塔河油田的应用[J]. 钻井液与完井液, 2015, 32(3): 42-46. doi: 10.3969/j.issn.1001-5620.2015.03.012
引用本文: 陈曾伟, 王悦坚, 李大奇, 刘四海, 林永学. 抗高温井下交联固结堵漏技术在塔河油田的应用[J]. 钻井液与完井液, 2015, 32(3): 42-46. doi: 10.3969/j.issn.1001-5620.2015.03.012
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CHEN Zengwei, WANG Yuejian, LI Daqi, LIU Sihai, LIN Yongxue. Application of High Temperature Downhole Crosslinking Solidification Technology for Mud Loss Control in Tahe Oilfield[J]. DRILLING FLUID & COMPLETION FLUID, 2015, 32(3): 42-46. doi: 10.3969/j.issn.1001-5620.2015.03.012
Citation: CHEN Zengwei, WANG Yuejian, LI Daqi, LIU Sihai, LIN Yongxue. Application of High Temperature Downhole Crosslinking Solidification Technology for Mud Loss Control in Tahe Oilfield[J]. DRILLING FLUID & COMPLETION FLUID, 2015, 32(3): 42-46. doi: 10.3969/j.issn.1001-5620.2015.03.012
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抗高温井下交联固结堵漏技术在塔河油田的应用

doi: 10.3969/j.issn.1001-5620.2015.03.012
  • 1.

    中国石化石油工程技术研究院, 北京

  • 2. 中国石化西北分公司, 新疆乌鲁木齐

基金项目: 国家重点基础研究发展规划(973)项目(2010CB226705)、十二五国家重大专项(2011ZX05049-02)、十二五国家重大专项(2011ZX05005-006)。
详细信息
    作者简介:

    陈曾伟,工程师,1984年生,毕业于北京大学能源与资源工程专业,现在从事钻井液井筒强化技术研究工作。地址:北京朝阳区北辰东路8号北辰时代大厦518室;邮政编码100101;电话13811791894;E-mail:chenzw.sripe@sinopec.com。

  • 中图分类号: TE282

Application of High Temperature Downhole Crosslinking Solidification Technology for Mud Loss Control in Tahe Oilfield

  • Room 518 of Beichen Shidai Building, No. 8 Beichendong Lu, Chaoyang District, Beijing 100101, China

    摘要
  • 摘要: 塔河油田奥陶系碳酸盐岩缝洞地层埋深超过6 000 m,地层温度可达130℃;由于地层压力亏空严重,建立循环的漏失压差超过10 MPa;缝洞漏层还存在连通性好、地层水矿化度高的特点。针对漏层高温、高压差、高矿化度的特点,提出采用井下交联固结堵漏技术解决深井缝洞的漏失难题。通过室内评价表明,井下交联凝胶材料SF-1 在地层高温、高Ca2+ 环境中可发生交联反应并迅速增稠,黏度在10 000 mPa·s 以上,滞留性强,且抗温达130℃。后续注入的化学固结堵漏材料HDL-1 可与滞留在通道中的SF-1 进一步反应,凝固形成封堵强度在15 MPa 以上的致密封堵塞。该技术在塔河油田TH12179CH 井奥陶系漏层一次堵漏成功,为深井缝洞性恶性漏失提供了一种有效的堵漏方法。

     

    Abstract: Depleted fractured Ordovician carbonate formations in Tahe Oilfield were buried at 6,000 m, with formation temperature of about 130℃. When lost circulation occurred, mud circulation can be re-gained with bottom hole pressure exceeding 10 MPa.These fractured formations had high channel connectivity and high salinity formation water. A downhole crosslinking solidification technology was developed to deal with lost circulation in these formations. In laboratory experiment, the crosslinking gelling agent SF-1 had its viscosity soared to above 10,000 mPa·s at high temperature (130℃) and high calcium environment, and stayed in place long enough for the mud loss to be stopped. HDL-1, a lost circulation material followed SF-1 reacted with SF-1 in the hole to form a dense plug being able to stand pressures up to 15 MPa, ensuring the efficiency of lost circulation control. This technology was successfully applied in the Well TH12179CH in Tahe Oilfield, where severe lost circulation always occurred.

     

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    • 参考文献(10)
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出版历程
  • 收稿日期:  2015-03-20
  • 刊出日期:  2015-05-31

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