温敏型凝胶堵漏剂的室内研究

张坤; 王磊磊; 苏君; 马红; 李永龙; 薛永波; 刘彦青

doi:10.3969/j.issn.1001-5620.2020.06.013

温敏型凝胶堵漏剂的室内研究

doi: 10.3969/j.issn.1001-5620.2020.06.013

张坤^1,2,
王磊磊^1,2,
苏君^1,2,
马红^1,2,
李永龙^1,2,
薛永波²,
刘彦青²

1. 天津市复杂条件钻井液企业重点实验室, 天津 300450;
2. 渤海钻探泥浆技术服务分公司, 天津 300450

基金项目:

天津市科技计划项目“非常规和深层油气资源开发钻井液关键技术研究”（19PTSYJC00120）资助

详细信息

作者简介:
张坤，高级工程师，1984年生，毕业于南开大学有机化学专业，现在从事钻井液技术研究工作。电话（022）25979174；E-mail：zhangkunzk@cnpc.com.cn

中图分类号: TE282
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出版历程
- 收稿日期: 2020-09-20
- 刊出日期: 2020-12-28

Laboratory Study on Temperature Sensitive Gel Lost Circulation Material

1. Tianjin Key Laboratory of Complex Conditions Drilling Fluid, Tianjin 300450;
2. Drilling Fluid Technology Services of CNPC Bohai Drilling Engineering Company Limited, Tianjin 300450

摘要

摘要: 针对凝胶堵漏成胶可控性差、高温下结构强度弱的问题，以为基础，制备了一种温敏型凝胶堵漏剂BZ-WNJ，并对其成胶性能进行了综合评价。室内研究表明，BZ-WNJ在80～180℃之间均可形成固态凝胶，具有广谱温敏效应，凝胶强度较可得然胶提高137%，同时BZ-WNJ解决了大颗粒固相对高温成胶的影响，可与其他颗粒状、纤维状堵漏剂复合使用，封闭漏层裂缝同时提升漏失通道内黏滞阻力，提升地层承压能力。
- 温敏 /
- 凝胶 /
- 堵漏 /
- 承压
Abstract: Gel lost circulation materials (LCM) currently in use have some deficiencies such as poor gelling controllability and weak structural strength at high temperatures. To deal with these problems, a temperature sensitive gel lost circulation material (LCM) BZWNJ was developed with Curdlan gum. Laboratory study showed that BZ-WNJ forms solid gel between 80 ℃ and 180 ℃, and has broad-spectrum temperature sensitivity. Compared with Curdlan gum, the gel strength of BZ-WNJ is increased by 137%. Meanwhile, using BZ-WNJ, the effects of large particle solids on high temperature gelling are minimized, making BZ-WNJ compatible with other particulate LCMs and fibrous LCMs in sealing off fractures through which the mud is lost, increasing the viscous resistance in mud loss channels and enhancing the pressure-bearing capacity of the formation.
- Temperature sensitive /
- Gel /
- Mud loss control /
- Pressure bearing

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参考文献(9)

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