蓄能液气泡钻井液的制备

郭保雨; 王旭东; 王群力; 蒋莉; 严波

doi:10.3969/j.issn.1001-5620.2015.03.001

蓄能液气泡钻井液的制备

doi: 10.3969/j.issn.1001-5620.2015.03.001

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,1963年生,教授级高级工程师,胜利油田高级专家,毕业于四川大学化学系,现在主要从事钻井液技术研究工作。地址:中国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: 2015-01-09
- 刊出日期: 2015-05-31

Preparation and Performance of Energized Foam Drilling Fluid

No. 7 Zuanjing Lu, Dongying District, Dongying City, Shandong 257064, China

摘要

摘要: 针对普通泡沫流体抗压能力弱的缺点,研究了蓄能液气泡的制备原理,并设计研制出了蓄能液气泡钻井液发生装置,其可提供在0.1~20 MPa 不同压力下产生的蓄能液气泡钻井液。蓄能液气泡内部是黏膜包裹的独立内气核,外部是由表面活性包裹水分子构成的双层膜结构,平均粒径约为0.29 mm,累计体积分布最多的气泡直径在0.25~0.33mm 之间。研究表明:与常规泡沫相比,蓄能液气泡表现出很强的抗压能力,例如成泡气核压力为0.5 MPa 的蓄能液气泡,其直径随压力的增加而下降,当压力增加到5 MPa 时气泡直径分布在0.29 mm 左右,压力大于7 MPa 后气泡体积不再发生较大变化,趋于稳定,而且仍然能够有效降低钻井液密度。蓄能液气泡钻井液是对泡沫流体认识的一次飞跃。
- 蓄能液气泡 /
- 蓄能液气泡钻井液 /
- 蓄能液气泡钻井液发生装置 /
- 抗压能力
Abstract: A device was designed to produce energized foam drilling fluid which can be used to replace conventional foam drilling fluids easily to be defoamed by pressure. The energized foam mud was formulated with energized foams made at high pressure being mixed with common drilling fluids, and was thus quite different from conventional foam muds. Study indicated that the energized foam mud produced by the device had (bubble) core pressures of 0.1-20 MPa, capable of withstanding higher pressure. In annular spaces with high pressures, this energized foam mud still maintained low density, and hence low static pressure on the bottom hole.
- Energized foam /
- Energized foam drilling fluid /
- Device for mixing energized foam drilling fluid /
- High pressure resistance

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参考文献(9)

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