类油基水基钻井液体系研究与应用

谢俊; 司西强; 雷祖猛; 李红星; 贾宝旭

doi:10.3969/j.issn.1001-5620.2017.04.005

类油基水基钻井液体系研究与应用

doi: 10.3969/j.issn.1001-5620.2017.04.005

1. 中原石油工程有限公司钻井工程技术研究院, 河南濮阳 457000;
2. 中原石油工程有限公司钻井三公司, 河南濮阳 457000

基金项目:

中石化石油工程公司项目（SG1302-03K）；中石化中原石油工程有限公司科技攻关项目（2015202）。

详细信息

作者简介:
谢俊,工程师,1984年生,毕业于长江大学,现在主要从事钻井液技术研究及应用工作。电话13839287570;E-mail:xiebeyondjun@126.com。

中图分类号: TE254.3
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出版历程
- 收稿日期: 2017-04-22
- 刊出日期: 2017-07-31

Research and Application of OBM-like Water Base Drilling Fluid

1. Research Institute of Drilling Engineering, Zhongyuan Petroleum Engineering Ltd., Sinopec, Puyang, Henan 457000;
2. The Third Drilling Company of Zhongyuan Petroleum Engineering Ltd., Sinopec, Puyang, Henan 457001

摘要

摘要: 针对页岩气层等含易坍塌地层储层开发采用油基钻井液时存在的成本高、污染环境等缺点，以聚醚胺基烷基糖苷NAPG为主剂，并配套其他处理剂，研发出一种在抑制及润滑性能方面类似于油基的环保型水基钻井液。室内研究结果表明，该类油基水基钻井液体系在抑制性能、润滑性能方面与油基钻井液相当，抗温达140℃，具有良好的抗土、抗钻屑、抗原油、抗水污染的性能，EC₅₀为128 400 mg/L；无生物毒性，静态渗透率恢复值达90%以上。现场应用结果表明，该钻井液体系性能稳定，抑制防塌能力强，润滑性能好，有效地解决了云页平-6井二开造斜段摩阻大、定向易托压的难题，具有推广应用前景。
- 类油基 /
- 钻井液 /
- 抑制性能 /
- 润滑性能 /
- 聚醚胺基烷基糖苷 /
- 环境保护 /
- 页岩气井
Abstract: An OBM-like water base drilling fluid has been formulated for use in shale gas development to replace the expensive pollutional oil base drilling fluids (OBM). The OBM-like drilling fluid, formulated with NAPG (a polyether amino alkyl glucoside) as the main additive, is an environmentally friendly water base drilling fluid having inhibitive capacity and lubricity that are similar to those of an oil base drilling fluid. Laboratory study showed that this OBM-like water base drilling fluid can be used at 140℃. It is resistant to contaminations such as clay, drilled cuttings, crude oil and water. EC₅₀ of the drilling fluid is 128,400 mg/L, meaning that it is none bio-toxic. Recovery of core permeability tested with this water base drilling fluid is more than 90%. In field application, this OBM-like water base drilling fluid showed stable properties, strong inhibitive capacity and good lubricity. The second interval of the well Yunyeping-6 has been successfully drilled with this drilling fluid, resolving these problems such as high friction in build-up section and difficulty in exerting drilling pressure in directional drilling section. This OBM-like drilling fluid is worth popularizing.
- OBM-like /
- Drilling fluid /
- Inhibitive capacity /
- Lubricity /
- Polyether amino alkyl glucoside /
- Environmental protection /
- Shale gas well

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参考文献(12)

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