| 钻井液对煤层气储层渗透性的损害 |
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| 引用本文： | 贾军,唐培琴. 钻井液对煤层气储层渗透性的损害[J]. 钻井液与完井液, 1995, 0(6) |
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| 作者姓名： | 贾军 唐培琴 |
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| 作者单位： | 地质矿产部探矿工程研究所 北京(贾军)，地质矿产部探矿工程研究所 北京(唐培琴) |
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| 摘 要： | 在煤层气的勘探和开发过程中,有许多因素都不同程度地造成煤层渗透性的损害,影响煤层气的产量。钻井施工是造成储层损害的一个重要环节,主要原因是钻井液及滤液对煤层的侵入。我们在试验的基础上,证实了钻井液对煤层气储层渗透性损害的几个主要原因,其中pH值的影响尤为突出。
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| 关 键 词： | 煤层气地层损害 钻井液 渗透性 |
On the damage of coalbed methane reservoir by drilling fluid |
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| Jia Jun and Tang Pei-Qin,Research Institute of Mineral Exploration Engineering,Ministry of Geology and Mineral Resources,Beijing. On the damage of coalbed methane reservoir by drilling fluid[J]. Drilling Fluid & Completion Fluid, 1995, 0(6) |
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| Authors: | Jia Jun Tang Pei-Qin Research Institute of Mineral Exploration Engineering Ministry of Geology Mineral Resources Beijing |
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| Abstract: | The invasion of drilling fluid and filtrate is a main factor of coalbed methane reservoir damage. The mechanism of drilling fluid invasion into reservoir is presented. Tests indicated that drilling fluid with higher pH value can cause serious permeability damage. |
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| Keywords: | Drilling Fluid Formation Damage Mud Property Permeability |
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