蜀南地区二叠系茅口组古岩溶地区水系分布及岩溶地貌单元特征
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摘要
蜀南地区茅口组为一套沉积稳定的巨厚层生物碎屑灰岩,基质致密性脆。中二叠世末的东吴运动使蜀南地区茅口组顶部发育古风化壳岩溶,古岩溶地区水系控制着古岩溶的发育和演化。在研究古地貌恢复方法的基础上,分析研究区地层特征和区域构造背景,采用印模法进行古地貌恢复,进而研究了古岩溶地区的水系发育特征。在此基础上,结合风化壳表面侵蚀溶蚀特征、沉积物性质、地貌组合形态、钻井和地震资料,把研究区划分为岩溶台地、岩溶陡坡、岩溶缓坡及岩溶盆地4种二级地貌单元和溶丘洼地、岩溶槽谷、峰林平原等10种三级地貌单元,进一步分析了各种地貌单元的岩溶特征,为下一步的储集层预测提供了有利的目标。
The Permian Maokou Formation in southern Sichuan Province is a set of thickly stable bioclastic limestone with dense and brittle matrix.The Dongwu Movement of the late Middle Permian leads to the development of the palaeoweathering crust-type karst on the apex face of Maokou Formation in this area.Palaeokarst water system controls the development and evolution of the palaeokarst.After studying the methods of recovering palaeogeomorphology,this paper analyzes all kinds of data to recover the palaeogeomorphology with impression method and researches the characteristics of the palaeokarst water system.On this basis,four second order landform units,such as karst platform,karst abrupt slope,karst gentle slope and karst basin and ten third order units,such as hill depression,karst trough valley and peak forest basin are subdivided,combined with eroding features of the upper surface,properties of sediments,configuration of geomorphology and data of drilling well and seismic.At last,the karst features of each unit are analyzed.So the research findings will provide reliable target for the reservoir predication in the next step.
引文
陈景山,李忠,王振宇,等.2007.塔里木盆地奥陶系碳酸盐岩古岩溶作用与储集层分布[J].沉积学报,25(6):858-868.
    陈强路,钱一雄,马红强,等.2003.塔里木盆地塔河油田奥陶系碳酸盐岩成岩作用与孔隙演化[J].石油实验地质,25(6):734-739.
    陈宗清.2007.四川盆地中二叠统茅口组天然气勘探[J].中国石油勘探,5:1-10.
    顾家裕.1999.塔里木盆地轮南地区下奥陶统碳酸盐岩岩溶储集层特征及形成模式[J].古地理学报,1(1):54-59.
    何碧竹,焦存礼,贾斌峰,等.2009.塔里木盆地塔中西部地区奥陶系岩溶作用及对油气储集层的制约[J].地球学报,30(3):395-403.
    洪余刚,陈景山,代宗仰,等.2007.古地貌恢复在风化壳岩溶型储集层研究中的应用[J].大庆石油地质与开发,26(1):1-5.
    刘玉魁,郑多明,王建宁,等.2005.塔里木盆地英买力低凸起奥陶系碳酸盐岩储集层特征及其成岩作用[J].天然气地球科学,16(5):587-591.
    庞艳君,代宗仰,刘善华,等.2007.川中乐山—龙女寺古隆起奥陶系风化壳古地貌恢复方法及其特征[J].石油地质与工程,21(5):8-10.
    苏中堂,陈洪德,林良彪,等.2010.鄂尔多斯盆地塔巴庙地区奥陶系古岩溶发育特征及储集层意义[J].新疆地质,28(2):180-185.
    文华国,郑荣才,沈忠民,等.2009.四川盆地东部黄龙组古岩溶地貌研究[J].地质论评,55(6):816-827.
    夏明军,戴金星,邹才能,等.2007.鄂尔多斯盆地南部加里东期岩溶古地貌与天然气成藏条件分析[J].石油勘探与开发,34(3):291-315.
    夏日元,唐健生,关碧珠,等.1999.鄂尔多斯盆地奥陶系古岩溶地貌及天然气富集特征[J].石油与天然气地质,20(2):133-136.
    夏日元,唐健生,邹胜章,等.2006.碳酸盐岩油气田古岩溶研究及其在油气勘探开发中的应用[J].地球学报,27(5):503-509.
    袁道先.1988.岩溶学词典[M].北京:地质出版社,1-2.
    Breesch L,Stemmerik L,Wheeler W,et al.2009.Fluid flow reconstruc-tion in a complex paleocave system reservoir in Wordiekammen,Cen-tral Spitsbergen[J].Journal of Geochemical Exploration,101(1):10.
    Loucks R G,Mescher P K,McMechan G A.2004.Three dimensional ar-chitecture of a coalesced,collapsed paleocave system in the LowerOrdovician Ellenburger Group,Central Texas[J].AAPG Bulle-tin,88(5):545-564.
    Wayne M Ahr.2007.Geology of Carbonate Reservoirs[M].New Jersey:JohnWiley&Sons,Inc.,Hoboken,13-55,176-199.

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