蓄能液气泡钻井液流变性能研究

郭保雨; 王旭东; 王群力; 蒋莉; 严波

doi:10.3969/j.issn.1001-5620.2015.04.001

蓄能液气泡钻井液流变性能研究

doi: 10.3969/j.issn.1001-5620.2015.04.001

1.
中石化胜利石油工程有限公司钻井工程技术公司,山东东营
2. 西安理工大学水利水电学院,西安

基金项目: 国家863计划项目“低压易漏地层钻井关键技术及装备”(2012AA091601)。

详细信息

作者简介:
郭保雨,教授级高级工程师,1963年生,现在主要从事钻井液技术研究工作。地址:山东省东营市东营区钻井路7号;邮政编码257064;电话(0546)8725824;E-mail:guobaoyu719.slyt@sinopec.com。

中图分类号: TE254.3
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出版历程
- 收稿日期: 2015-04-09
- 刊出日期: 2015-07-31

Study on Rheology of Aphron Drilling Fluid

No. 7 Drilling Road, Dongying District, Dongying City, Shandong 257064, China

摘要

摘要: 设计并研制了蓄能液气泡钻井液流变性能测试装置,该装置能模拟井下100 ℃、20 MPa 环境,建立了高温(100 ℃)、高压(20 MPa)条件下蓄能液气泡钻井液流变性能的评价方法。研究表明,研制的蓄能液气泡钻井液表现出良好的剪切稀释特性,携屑能力强;泡沫质量对蓄能液气泡钻井液的流变性能影响很大;由于蓄能液气泡钻井液抗压能力强,因此压力对其流变性影响不大;温度对体系的流变性能是通过影响液相黏度来实现的;气体类型对蓄能液气泡的流变性能影响不大;此外,现场应用时可通过改变发泡剂加量(影响泡沫质量)和搅拌速率(影响泡沫粒径)来调节体系的流变性能。
- 蓄能液气泡 /
- 流变性能测试装置 /
- 高温 /
- 高压 /
- 泡沫质量
Abstract: A testing device was developed for the measurement of the rheology of aphron drilling fluids. This device has the capacity of simulating downhole temperatures to 100 ℃ and downhole pressure to 20 MPa. A procedure for the testing of the HTHP rheology of aphron drilling fluids is established. A newly prepared aphron drilling fluid is tested using this device, showing good shear thinning property. Foam quality greatly affects the rheology of the aphron drilling fluid. Pressures, on the other hand, do not obviously affect the rheology of the aphron drilling fluid because of its high pressure resistance. Temperatures greatly affect the viscosity of the liquid phase, thus plays great role in determining the rheology of the aphron drilling fluid. Types of gases have little effect on the rheology of the aphron drilling fluid. In field application, the rheology of the aphron fluid can be adjusted by changing the amount of foamers and agitation speed.
- Aphron drilling fluid /
- Rheology tester /
- High temperature /
- High pressure /
- Foam quality

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参考文献(10)

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