High-powered laser temperature effects on rock properties

被引：0
作者：
Graves, Ramona M. [1 ]
Batarseh, Samih [1 ]
Parker, Richard A. [1 ]
Gahan, Brian C. [1 ]
机构：
[1] Colorado School of Mines, Gas Technology Inst., Golden
来源：
JPT, Journal of Petroleum Technology | 2003年 / 55卷 / 05期
关键词：
D O I：
10.2118/0503-0051-jpt
中图分类号：
学科分类号：
摘要：
The high temperature induced by lasers while drilling through rock enhances porosity and permeability and reduces strength. High temperature causes microcracks, vaporizes cementation, and dehydrates clays. Phase changes also affect rock properties such as permeability, porosity, and strength. The effect depends on temperature distribution and gradient as well as mineralogy.
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页码：51 / 52
页数：1
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