菏泽地区煤成气储层沉积学研究
摘要
本文运用沉积学、煤成气地质学、层序地层学等学科的基本理论和分析方法,在系统搜集整理菏泽地区野外露头资料、钻孔岩芯资料、测井资料的基础上,分析了菏泽地区晚古生代和新生代沉积体系特征,重点研究晚古生代沉积体系特征,识别出四种沉积体系：潮坪沉积体系、障壁-泻湖沉积体系、河控浅水三角洲沉积体系、河流-湖泊复合沉积体系,并研究了各沉积体系的构成,即沉积相类型及其特征。在沉积体系研究的基础上,发现研究区山西组分流河道砂体和石盒子组河道沉积砂体具备成为煤成气储集体的条件。
研究了菏泽地区煤成气砂岩储层的岩石学特征、储集空间的类型与特点、成岩作用、物性特征及空间展布。储集空间类型主要有4种：即粒间孔隙、粒内孔隙、微孔隙和裂隙,成岩作用是储集空间的主要影响因素。龙固镇西部山西组砂岩储层厚度最大,龙固北部区域下石盒子组砂岩储层厚度最大,南赵楼东南方向龙固镇东北方向靠近田桥断裂区域上石盒子组砂岩储层厚度最大,因此可以推测这些区域煤成气储层发育较好。
The thesis analysed sedimentary systems characteristics of late Palaeozoic and Cenozoic in Heze area, especially focused on researches of late Palaeozoic sedimentary systems characteristics, using basic theories ans analyzing menthods of sedimentology, coal-formed gas geology, sequence stratigraphy, at the basis of collecting and clearing up outcrop datum, core datum and logging datum. Four sedimentary systems are recognized:tidal flat sedimentary system, barrier-lagoon sedimentary system, shallow water delta sedimentary system and river-lake sedimentary system.The thesis studied constitutions of every sedimentary system as sedimentary facies and features. On the basis of sedimentary system researches, the distributary channel sandstones of Shanxi Formation and the river channel sandstones of Shihezi Formation are supposed to be available coal-formed gas reservoirs.
The thesis studied petrography characteristics, storage spaces and characteristics, diagenesis, physical characteristics and distribution of coal-formed gas sandstone reservoirs in Heze area.There are four storage space styles:interparticle pore, intragranular pore, micropore and fissures. There are the deepest Shanxi Formation sandstones in the west of Longgu, the deepest Xiashihezi Formation sandstones in the north area of Longgu, the deepest Shangshizhezi Formation sandstones in the area near to the Tianqiao Fault at the southeast of Nanzhaolou and the northeast of Longu, so theae areas are supposed to have good reservoirs.
研究了菏泽地区煤成气砂岩储层的岩石学特征、储集空间的类型与特点、成岩作用、物性特征及空间展布。储集空间类型主要有4种：即粒间孔隙、粒内孔隙、微孔隙和裂隙,成岩作用是储集空间的主要影响因素。龙固镇西部山西组砂岩储层厚度最大,龙固北部区域下石盒子组砂岩储层厚度最大,南赵楼东南方向龙固镇东北方向靠近田桥断裂区域上石盒子组砂岩储层厚度最大,因此可以推测这些区域煤成气储层发育较好。
The thesis analysed sedimentary systems characteristics of late Palaeozoic and Cenozoic in Heze area, especially focused on researches of late Palaeozoic sedimentary systems characteristics, using basic theories ans analyzing menthods of sedimentology, coal-formed gas geology, sequence stratigraphy, at the basis of collecting and clearing up outcrop datum, core datum and logging datum. Four sedimentary systems are recognized:tidal flat sedimentary system, barrier-lagoon sedimentary system, shallow water delta sedimentary system and river-lake sedimentary system.The thesis studied constitutions of every sedimentary system as sedimentary facies and features. On the basis of sedimentary system researches, the distributary channel sandstones of Shanxi Formation and the river channel sandstones of Shihezi Formation are supposed to be available coal-formed gas reservoirs.
The thesis studied petrography characteristics, storage spaces and characteristics, diagenesis, physical characteristics and distribution of coal-formed gas sandstone reservoirs in Heze area.There are four storage space styles:interparticle pore, intragranular pore, micropore and fissures. There are the deepest Shanxi Formation sandstones in the west of Longgu, the deepest Xiashihezi Formation sandstones in the north area of Longgu, the deepest Shangshizhezi Formation sandstones in the area near to the Tianqiao Fault at the southeast of Nanzhaolou and the northeast of Longu, so theae areas are supposed to have good reservoirs.
引文
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2.贾承造,赵文智慧,魏国齐等.国外天然气勘探与研究最新进展及发展趋势[J].天然气工业,2002,22(4)：5-9.
3.李增学,魏久传,刘莹.煤成(型)气地质学[M].北京：地质出版社,2007：79-115.
4.王明山.巨野煤田3煤层岩浆岩侵入规律研究[J].中国煤田地质,2005,17(4)：9-11.
5.卫学忠,汤振清,朱鲁.巨野煤田岩浆岩侵入煤层变质规律研究[J].山东科技大学学报(自然科学版),2001,20(3)：29-33.
6.韩美莲.巨野煤田潮坪沉积体系及聚煤特征[J].煤田地质与勘探,2000,28(4)：4-6.
7.韩美莲,吕大炜,王芳等.临清坳陷晚古生代煤成气储层沉积学特征[J].煤田地质与勘探,2010,38(4)：7-15.
8.韩美莲,魏久传.巨野煤田三角洲沉积体系及其聚煤特点[J].沉积学报,2001,19(3)：381-432.
9.许光泉,张文华,刘仰露等.山东巨野煤田早二叠世沉积环境及演化分析[J].山东地质,1998,14(3)：18-22.
10.李东海,姜在兴,李继山.济阳坳陷东部新近系馆陶组下段辫状河三角洲沉积研究[J].石油大学学报,2003,27(3)：10-13.
11.杨东明,姜在兴,李葵英等.济阳坳陷馆陶组辫状三角洲—浅水湖泊沉积体系[J].西安石油大学学报,2004,19(6)：15-19.
12.李增学,张善文,刘华等.煤成气储层沉积、层序及其空间展布研究—以济阳孤北区块为例[J].中国地质,2007,34(4)：612-621.
13.韩美莲,魏久传.巨野煤田含煤地层层序单元划分[J].山东科技大学学报(自然科学版),2000,19(1)：33-37.
14.于兴河.碎屑岩系油气储层沉积学[M].北京：石油工业出版社,2008.
15.李明潮.中国主要煤田的浅层煤成气[M].北京：地质出版社,1990.
16.汤振清.用数字测井曲线划分巨野煤田煤类[J].煤田地质与勘探,1997,6：48-51.
17.苗云霞.巨野煤田煤质分析及科学利用评价[J].河北化工,2009,32(3)：12-14.
18.刘磊,姜波,窦新钊等.巨野煤田赵楼井田构造发育规律[J].中国煤炭地质,2009,21(10)：9-25.
19.王明山.菏泽地区巨野煤田开发和环境地质探讨[J].山东煤炭科技,2010,2：132-133.
20.段磊.巨野煤田3煤层的测井响应与成煤环境关系分析[J].山东煤炭科技,2007,4：42-43.
21.宁洪进,董钦亮,李连军.巨野煤田梁宝寺煤矿瓦斯涌出规律分析[J].能源技术与管理,2007,2：18-19.
22.张晖.巨野煤田龙固井田3煤层顶板结构及其影响因素[D].青岛：山东科技大学,2007.
23.徐玉学.巨野煤田彭庄矿井首采工作面巷道支护技术研究与应用[J].山东煤炭科技,2008,6：118-119.
24.黄文峰,康延雷,冯超臣等.巨野煤田彭庄煤矿首采区减少煤损方法简析[J].山东国土资源,2009,25(12)：1-1.
25.王东,窦全安,赵玉禄等.巨野煤田深井动压的预测与防治[J].中国煤炭,2009,35(5)：46-48.
26.黄文峰,康延雷,冯超臣.巨野煤田主采煤层导水裂缝带高度探测研究[J].煤矿现代化,2010,94：42-43.
27.黄文峰,蔡俊娥,郭世春等.巨野煤田资源开发现状与思考[J].发展论坛.
28.许光泉,陈纯芳.山东巨野煤田3煤层厚度变化原因分析[J].中国煤田地质,1998,10(2)：16-18.
29.栗洁.山东巨野煤田彭庄区地震勘探效果[J].煤田地质与勘探,2000,28(3)：57-58.
30.肖为国,姜振泉,李冬林.山东巨野煤田3煤顶底板软岩水稳性特征[J].江苏地质,2006,30(2)：126-129.
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