多元聚胺钻井液研究与应用

张坤; 王磊磊; 董殿彬; 许绍营; 马红; 黄臣; 张鹏; 郭耀

doi:10.3969/j.issn.1001-5620.2020.03.006

多元聚胺钻井液研究与应用

doi: 10.3969/j.issn.1001-5620.2020.03.006

张坤^1,2,
王磊磊^1,2,
董殿彬^1,2,
许绍营^1,2,
马红^1,2,
黄臣^1,2,
张鹏^1,2,
郭耀²

1. 天津市复杂条件钻井液企业重点实验室, 天津 300280;
2. 中国石油集团渤海钻探工程有限公司, 天津 300451

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”资助（19PTSYJC00120）第一

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: TE254.4
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出版历程
- 收稿日期: 2020-02-14
- 刊出日期: 2020-06-28

Study on and Application of a Polyamine Drilling Fluid

1. Tianjin Key Laboratory of Complex Conditions Drilling Fluid, Tianjin 300280;
2. Drilling Fluid Technology Services of CNPC Bohai Drilling Engineering Company Limited, Tianjin 300451

摘要

摘要: 针对大港油田明化镇强造浆地层，采用端胺基保护的方法开发了一种小分子多元聚胺抑制剂，解决了常规聚胺类处理剂在高膨润土含量下造成的体系破胶问题。依托自主研发的多元聚胺抑制剂形成了一套高膨润土容纳的钻井液体系，体系抗温150℃，10%膨润土干粉污染后体系的流变性良好，生物毒性、生物降解性及金属含量等均符合环境保护指标，解决了大港油田地层强造浆、易垮塌难点。该体系在大港油田港3-52-1井进行了现场应用，全井施工顺利，无事故复杂。与邻井相比，在井深更深、井斜更大、井底位移更长的情况下，机械钻速提高了7%以上。
- 多元聚胺 /
- 高膨润土 /
- 钻井液 /
- 抑制性
Abstract: The Minghuazhen Formation drilled in Dagang Oilfield is of highly mud making, making conventional polyamine drilling fluids laden with bentonite when drilling into this formation. High contents of bentonite in the drilling fluid make the bentonite colloid easy to be damaged when conventional polyamines are used, and this problem has been solved using this newly developed polyamine. A drilling fluid formulated with this polyamine has high tolerance to bentonite and works normally at 150℃. Contaminated with 10% bentonite, the drilling fluid still has good rheology. Biotoxicity, biodegradability and metal content of the polyamine all conform to the requirements of environment protection. Using drilling fluids formulated with this newly developed polyamine, the mud-making and borehole wall instability problems have been solved. The well Gang3-52-1, was drilled smoothly and successfully with the polyamine drilling fluid. Compared with wells drilled nearby, the ROP of the well Gang3-52-1 was increased by at least 70%, even though this well was deeper and had higher well angle and longer bottom hole displacement.
- Polyamine /
- High bentonite content /
- Drilling fluid /
- Inhibitive capacity

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参考文献(8)

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