收稿日期: 2009-10-26
修回日期: 2010-03-03
网络出版日期: 2011-04-10
基金资助
国家重大专项“大型油气田与煤层气开发”(编号:2008ZX05034-002);国家“863”课题“晋城煤层气探测与增产技术研究”(编号:2006AA06Z232)联合资助.
Characteristics of Fluid Pressure Research on 3# Coalbed Reservoir in Esat of Jinchengsihe Mine
Received date: 2009-10-26
Revised date: 2010-03-03
Online published: 2011-04-10
煤层瓦斯原位探测技术能够完整的记录煤层瓦斯流体的细节变化\.利用煤层瓦斯原位探测技术,对寺河东四盘区3#煤储层流体压力进行测试。3#煤储层的宏观以及显微观察结果表明寺河3#煤储层裂隙系统具有很强的非均质性,抽放后的残留煤层瓦斯流体的运移具有明显的瞬时波动性;该残留气体的压力总体比较低。流体的运移在不同的煤岩体以及不同的裂隙发育带具有不同的特点,流体的压力变化也与裂隙带发育特征有关。
关键词: 煤层瓦斯压力原位探测; 大裂隙系统; 残留煤层瓦斯; 运移特征
杨青雄, 王生维, 刘旺博, 张典坤, 曹国华, 文国军 . 晋城寺河矿东区3#煤储层流体压力特征研究[J]. 天然气地球科学, 2011 , 22(2) : 361 -366 . DOI: 10.11764/j.issn.1672-1926.2011.02.361
Coalbed gas in-situ exploring technology can completely record the details of coalbed gas fluid changes. Using this technology to system test the fluid of Sihe East 4th zone 3# coalbed reservoir systematically, combined with the 3# coalbed reservoir underground observations, as well as indoor microscopic observations, the results showed that the fracture system of Sihe East 4th zone 3# coalbed reservoir is strong heterogeneity; the coalbed gas is the residual of discharging gas, of which the migration has obvious strong fluctuation and transient characteristic; the residual gas does not have high pressure; and the fluid is transported in different coal\|rocks and various fractured zones with different movement laws, and its pressure changes in different fracture zones.
Key words: Coalbed gas in-situ exploring; Fracture zone; Residual gas; Movement law.
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