岩浆岩接触变质带煤储层吸附特征研究 -学兔兔 www.xuetutu.com.pdf

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第46卷第9期
煤炭工程
Vol 46. No 9
2014年第9期
COAL ENGINEERING
No.9,2014
doi:10.11799/ce201409031
岩浆岩接触变质帯储层吸附特征研究
程乔',胡宝林,刘会虎',杨高峰2
(1.安徽理工大学地球与环境学院,安徽淮南232001;
2.山西晋城无烟煤矿业集团有限责任公司长平煤矿,山西高平048006)
摘要:为了研究岩浆侵入对煤储层吸附性能带来的影响,对采自于朱庄和朱仙庄矿两个井
田内的10块煤样进行了镜质组反射率测试、煤质分析、等温吸附试验等室内实验,分析了煤样
的兰氏体积与其距岩浆岩距离之间的关系,并探讨了煤储层吸附能力产生差异的原因。结果表
明,由于各个煤矿岩桨侵入实际情况的不同,煤储层吸附能力的影响因素也存在差别,研究区内
煤的变质程度仍然是彩响牒储层吸附能力的主要因素,煤中水分在侵入体上部部分范固内失去影
响作用;侵入体上部和下部煤储层的吸附能力出现差异,在距岩浆岩体同等距离时,侵入体上部
煤储层吸附能力比下部强。
关键词:岩浆侵入;煤储层;镜质组反射率;兰氏体积;煤质分析
中图分类号:TD712:;TD12文献标识码:A文章编号:1671-0959(2014)09-0092-04
Study on Adsorption Features of Coal Reservoirs in Magmatic
Rock Contacted Metamorphic Zone
CHENG Qiao, HU Bao-lin, LIU Hui-hu', YANG Gao-feng
(1. School of Earth and Environment, Anhui University of Science and Technology, Huainan 232001, China
2. Changping Mine, Shanxi Jincheng Anthracite Mining Group Corporation Timited, Gaoping 048006, China
Abstract: In order to study magma intrusion affected to the adsorption performances of the coal reservoir, a vitrinite
refectance test, coal quality analysis, isothermal adsorption tost and other indoor experiment were conducted on 10 coal
samples from Zhuzhuang Mine and Zhuxianzhuang Mine. A relationship between the Lancefield volume of the coal sample
and the distance to the magma was analyzed and the causes to the different adsorption capacity of the coal reservoirs were
discussed. The results showed that due to an actual condition of the magma intrusion in each mine was different and the
factor affected to the adsorption capacity of the coal reservoir was different, a metamorphic degree of the coal within th
study zone would still be the main factor affected to the adsorption capacity of the coal reservoir and the moisture content of
the coal at the top part scope of the intrusion lost its influence function. There was differential in the adsorption capacity of
the coal reservoir at the top and bottom of the intrusion. When a same distance was to the magma rock, the adsorption
capacity of the coal reservoir at the top of the intrusion would be higher than the coal reservoir at the bottom of the
Intrusion
Keywords: magma intrusion coal reservoir; vitrinite reflectance; Lancefield volume; coal quality analysis
准北煤田受岩浆活动影响严重,尤其在燕山期构造运年至2009年,淮北矿区记录的岩浆侵入区域煤与瓦斯突出
动。岩浆热液产生的高温使地层中的原始气煤、肥煤向高事故有16起,说明研究区瓦斯含量与赋存异常,因而对该
阶煤变质,部分岩浆接触变质带还出现天然焦。该地区岩地区岩浆侵入区域煤储层吸附特征的研究十分必要。国内
浆侵人对煤储层的吸附特性有很大影响,而煤的吸附能力外研究者已经对岩浆侵入煤层做了许多研究,波兰和澳大
是影响煤层含气量的关键因素之一叫。据统计,自1993利亚有学者认为地质因素和区域岩浆活动对煤与瓦斯突出
收稿日期:2014-01-18
基金项目:国家自然科学基金资助项目(40872103,4130212
作者简介:程乔(1988-),男,安徽安庆人,硕士研究生,主要从事矿井水害防治与水文地质方面的研究工作,
E-mail:651870899@qq.com.
引用格式:程乔,胡宝林,等.岩浆岩接触变质带煤储层吸附特征研究「J].煤炭工程,2014,46(9):92-95