硅酸盐钻井液用多功能润滑剂

刘智勤; 管申; 许明标; 吴娇

doi:10.3969/j.issn.1001-5620.2021.02.005

硅酸盐钻井液用多功能润滑剂

doi: 10.3969/j.issn.1001-5620.2021.02.005

1. 中海石油(中国)有限公司湛江分公司, 广东湛江 524057;
2. 长江大学石油工程学院, 武汉 430100;
3. 荆州嘉华科技有限公司, 湖北荆州 434000

基金项目:

中海石油（中国）有限公司科研项目“北部湾油田经济开发钻完井技术研究”（YXKY-2019-ZJ-04）

详细信息

作者简介:
刘智勤,工程师,1989年生,毕业于澳大利亚新南威尔士大学油气井工程专业,现在从事海洋油气钻完井液技术研究工作。电话18814250894;E-mail:liuzhq42@cnooc.com.cn

中图分类号: TE254.4
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出版历程
- 收稿日期: 2020-11-29

Laboratory Study and Application of a Multifunctional Lubricant for Silicate Drilling Fluids

1. CNOOC China Limited Zhanjiang Branch, Zhanjiang, Guangdong 524057;
2. College of Petroleum Engineering, Yangtze University, Wuhan, Hubei 430100;
3. Jingzhou Jiahua Technology Co. Ltd., Jingzhou, Hubei 434000

摘要

摘要: 北部湾盆地特殊地层特性导致钻井作业时井壁失稳情况频发，故引入具有“封固”优势的硅酸盐钻井液体系，但硅酸盐钻井液本身自带严重缺陷，即润滑与滤失问题。为了解决这些问题，研制出了一种ALM多功能润滑剂。室内研究结果表明： ALM多功能润滑剂具有优秀的润滑性能、抗磨性能，能抑制储层段掉块岩样水化分散；与硅酸盐体系配伍性良好，同时能够发挥其膜效应，降低钻井液的滤失量，加入5% ALM多功能润滑剂可使硅酸盐体系API滤失量从4.0 mL降到2.1 mL，高温高压滤失量从16.3 mL降至6.8 mL，且对体系的流变性能无影响，润滑系数降低率为85.21%，改善了该体系的润滑和抑制性能。
- 硅酸盐钻井液 /
- 润滑剂 /
- 抗磨 /
- 抑制 /
- 井壁失稳
Abstract: The special formation characteristics of the Beibuwan Basin always leads to borehole wall collapse during drilling operation. Silicate mud, which has the advantage of stabilizing the sloughing formation was introduced to deal with borehole wall instability. The silicate mud has its own problems:poor lubricity and filtration control. A multifunctional lubricant, ALM, was developed to solve these problems. Laboratory study showed that ALM has excellent lubrication capacity and anti-wear performance, it can inhibit the hydration and dispersion of the sloughing rock obtained from the Wei'er member penetrated in the reservoir section. ALM is compatible very well with the silicate mud and when used in the silicate mud, it shows a membrane effect to reduce the filtration rate of the mud. A silicate mud treated with 5% ALM has its filtration rate reduced from 4.0 mL to 2.1 mL, and its HTHP filtration rate from 16.3 mL to 6.8 mL, while the rheology of the mud is not affected. Rate of reduction of coefficient of friction of the silicate mud can be 85.21%. The special properties of ALM effectively improve the lubricating performance and inhibitive capacity of the silicate mud.
- Silicate mud /
- Multifunctional lubricant /
- Anti-wear /
- Inhibit /
- Borehole wall destabilization

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参考文献(15)

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硅酸盐钻井液用多功能润滑剂

doi: 10.3969/j.issn.1001-5620.2021.02.005

作者简介:
刘智勤,工程师,1989年生,毕业于澳大利亚新南威尔士大学油气井工程专业,现在从事海洋油气钻完井液技术研究工作。电话18814250894;E-mail:liuzhq42@cnooc.com.cn

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Laboratory Study and Application of a Multifunctional Lubricant for Silicate Drilling Fluids

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留言板

硅酸盐钻井液用多功能润滑剂

doi: 10.3969/j.issn.1001-5620.2021.02.005

作者简介: 刘智勤,工程师,1989年生,毕业于澳大利亚新南威尔士大学油气井工程专业,现在从事海洋油气钻完井液技术研究工作。电话18814250894;E-mail:liuzhq42@cnooc.com.cn

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出版历程

Laboratory Study and Application of a Multifunctional Lubricant for Silicate Drilling Fluids

计量

出版历程

目录

作者简介:
刘智勤,工程师,1989年生,毕业于澳大利亚新南威尔士大学油气井工程专业,现在从事海洋油气钻完井液技术研究工作。电话18814250894;E-mail:liuzhq42@cnooc.com.cn