平顶山矿区东段煤层气地质特征及开发潜力研究Geological Characteristics of CBM in Eastern Sector of Pingdingshan Mining Area and Exploitation Potential
马革非,朱永飞
摘要(Abstract):
平顶山矿区东段煤层气资源丰富,通过研究区构造背景、煤层展布特征、煤阶、煤储层物性特征及地下水动力条件等方面对二1煤层含气量及其控制因素进行了分析;结合抽采压力、地应力、煤体结构等,对该区煤层气开发潜力进行了探讨。研究结果表明:区内煤层气含气量较高,平均为14.2 m3/t,资源量为206.87亿m3,资源丰度为0.70亿m3/km2;煤体结构相对完整,煤储层渗透率为0.04~1.00mD;储层压力高,地应力梯度小。综合分析优选出东西两个有利区块,十三矿—首山一井—十矿—一矿深部(Ⅰ号区)为煤层气开发首选区块。
关键词(KeyWords): 煤层气;地质特征;资源丰度;开发潜力;平顶山矿区东段
基金项目(Foundation): 河南省国土资源科技项目计划(20090901)
作者(Author): 马革非,朱永飞
参考文献(References):
- [1]Scott A R.Hydrogeologic factors affecting gas content distribution incoal beds[J].International Journal of Coal Geology,2002(,50):363-387.
- [2]Ayers W B Jr.Coalbed gas systems,resources,and production and areview of contrasting cases from the San Juan and Powder River basins[J].AAPG Bulletin,2002(,11):1853-1890.
- [4]SU Xianbo,LIN Xiaoying,SONG Yan,et al.The classification andmodel of coalbed methane reservoirs[J].Acta Geologica Sinica,2004,78(3):201-205.
- [5]苏现波,林晓英.煤层气地质学[M].北京:煤炭工业出版社,2009.
- [6]张建博,王红岩,赵庆波.中国煤层气地质[M].北京:地质出版社,2000.
- [7]Xianbo Su,Xiaoying Lin,Mengjun Zhao,Yan Song and Shaobo Liu.The upper Paleozoic coalbed methane system in the Qinshui basin,Chi na[J].AAPG Bulletin,89(1):81-100.
- [8]Xiaobo Su,Xiaoying Lin,Shaobo Liu,et al.Geology of coalbed meth ane reservoirs in the Southeast Qinshui Basin of China[J].InternationalJournal of Coal Geology,2009,(62):197-210.
- [9]苏现波.煤层气储集层的孔隙特征[J].焦作矿业学院,1998,(1):6-11.
- [10]唐书恒.煤储层渗透性影响因素探讨[J].中国煤田地质,2001(1):28-30,86.
- [11]林晓英,苏现波.沁水盆地南部煤层气成藏机理[J].天然气工业,2007,27(7):8-11.
- [12]贺天才,秦勇.煤层气勘探与开发利用技术[M].徐州:中国矿业大学出版社,2007.
- [13]赵庆波,张公明.煤层气评价重要参数及选区原则[J].石油勘探与开发,1999,26(2):23-26.