鄂尔多斯盆地东缘临兴地区煤系气共生成藏特征
P618.11; 随开采技术的不断进步,煤系气共采成为可能,而煤系气共采的前提便是煤系气的共生,所以探讨煤系气共生的问题对共采具有重要意义.通过对鄂尔多斯盆地东缘临兴地区煤系气生储盖特征研究的基础之上,结合岩芯观察及野外地质考察,总结了煤系气的共生组合模式,综合沉积、构造和成岩作用,初步探讨了煤系气共生的成因机制.结果显示:本溪组8+9号和山西组4+5号煤层为主要的烃源岩,暗色泥岩也具有一定的生烃能力;砂岩类型以岩屑砂岩为主,孔隙度平均值6.2％,渗透率平均值0.14×10-15 m2,属于致密砂岩范畴;致密砂岩层、泥页岩层和煤层可以互为盖层;致密砂岩、泥页岩和煤层两两之间的组合模式具有14种...
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| Published in | 煤炭学报 Vol. 43; no. 6; pp. 1517 - 1525 |
|---|---|
| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
中国石油大学(华东)地球科学与技术学院,山东青岛,266580%中联煤层气有限责任公司,北京,100011%中国地质大学(北京)能源学院,北京,100083
01.06.2018
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| Subjects | |
| Online Access | Get full text |
| ISSN | 0253-9993 |
| DOI | 10.13225/j.cnki.jccs.2018.4037 |
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| Abstract | P618.11; 随开采技术的不断进步,煤系气共采成为可能,而煤系气共采的前提便是煤系气的共生,所以探讨煤系气共生的问题对共采具有重要意义.通过对鄂尔多斯盆地东缘临兴地区煤系气生储盖特征研究的基础之上,结合岩芯观察及野外地质考察,总结了煤系气的共生组合模式,综合沉积、构造和成岩作用,初步探讨了煤系气共生的成因机制.结果显示:本溪组8+9号和山西组4+5号煤层为主要的烃源岩,暗色泥岩也具有一定的生烃能力;砂岩类型以岩屑砂岩为主,孔隙度平均值6.2％,渗透率平均值0.14×10-15 m2,属于致密砂岩范畴;致密砂岩层、泥页岩层和煤层可以互为盖层;致密砂岩、泥页岩和煤层两两之间的组合模式具有14种,煤系气的共生组合模式具有4种.其中的两种或多种组合,构成了致密砂岩气、页岩气和煤层气的混合共生;沉积作用对煤系气共生的形成具有决定性作用,成岩作用对煤系气的共生具有改造作用. |
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| AbstractList | P618.11; 随开采技术的不断进步,煤系气共采成为可能,而煤系气共采的前提便是煤系气的共生,所以探讨煤系气共生的问题对共采具有重要意义.通过对鄂尔多斯盆地东缘临兴地区煤系气生储盖特征研究的基础之上,结合岩芯观察及野外地质考察,总结了煤系气的共生组合模式,综合沉积、构造和成岩作用,初步探讨了煤系气共生的成因机制.结果显示:本溪组8+9号和山西组4+5号煤层为主要的烃源岩,暗色泥岩也具有一定的生烃能力;砂岩类型以岩屑砂岩为主,孔隙度平均值6.2％,渗透率平均值0.14×10-15 m2,属于致密砂岩范畴;致密砂岩层、泥页岩层和煤层可以互为盖层;致密砂岩、泥页岩和煤层两两之间的组合模式具有14种,煤系气的共生组合模式具有4种.其中的两种或多种组合,构成了致密砂岩气、页岩气和煤层气的混合共生;沉积作用对煤系气共生的形成具有决定性作用,成岩作用对煤系气的共生具有改造作用. |
| Author | 张守仁 杨冠群 钟建华 吴建光 刘闯 |
| AuthorAffiliation | 中国石油大学(华东)地球科学与技术学院,山东青岛,266580%中联煤层气有限责任公司,北京,100011%中国地质大学(北京)能源学院,北京,100083 |
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| Author_FL | YANG Guanqun LIU Chuang ZHANG Shouren ZHONG Jianhua WU Jianguang |
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| Keywords | 煤层气 鄂尔多斯盆地 含煤地层 致密砂岩气 页岩气 |
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| Snippet | P618.11; 随开采技术的不断进步,煤系气共采成为可能,而煤系气共采的前提便是煤系气的共生,所以探讨煤系气共生的问题对共采具有重要意义.通过对鄂尔多斯盆地东缘临兴地区煤... |
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| Title | 鄂尔多斯盆地东缘临兴地区煤系气共生成藏特征 |
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