中国页岩气资源勘探潜力
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摘要
页岩气是以吸附和游离状态同时存在于泥页岩地层中的天然气,它分别在天然气的成因机理、赋存相态、成藏聚集机理、分布变化特点及其与其他类型气藏关系之间存在广泛的变化性。由于页岩气成藏边界条件可有适度地放宽且变化较大,各成藏地质要素之间具有明显的互补性。基于地质、测井、地震等方法和手段,可对页岩气进行快速识别。研究表明,中国存在页岩气大量发育的区域地质条件,初步计算中国页岩气资源量约为(15～30)×1012m3。平面上以中国南方和西北地区最为有利(也包括鄂尔多斯盆地及其周缘),剖面上以古生界资源量为最大,中生界位居其次。
Shale gas is a kind of unconventional natural gas which mainly exists as adsorbed and free gas in shales.Shale gas or gas shale is extensively variable on the genetic mechanism,existing phase,accumulation mechanism,distribution variation,and relationship with other kinds of gas reservoirs.Since the boundary conditions for shale gas accumulation can be broadened moderately and the variation can be very extensive,every geological element for gas accumulation in shales is of obvious complementarity with each other.Based on geology analysis,logging data and seismic study,shale gas accumulations can be rapidly recognized.It demonstrates that there exist favorable geological conditions for regional distribution of shale gas in China,of which the primarily assessed resources of shale gas is about 15-30 tcm.The most profitable regions are South and Northwest China,including the Ordos basin and vicinage basins.Among the regions,the resource of shale gas in Paleozoic is the largest,while the second is in Mesozoic.
Shale gas is a kind of unconventional natural gas which mainly exists as adsorbed and free gas in shales.Shale gas or gas shale is extensively variable on the genetic mechanism,existing phase,accumulation mechanism,distribution variation,and relationship with other kinds of gas reservoirs.Since the boundary conditions for shale gas accumulation can be broadened moderately and the variation can be very extensive,every geological element for gas accumulation in shales is of obvious complementarity with each other.Based on geology analysis,logging data and seismic study,shale gas accumulations can be rapidly recognized.It demonstrates that there exist favorable geological conditions for regional distribution of shale gas in China,of which the primarily assessed resources of shale gas is about 15-30 tcm.The most profitable regions are South and Northwest China,including the Ordos basin and vicinage basins.Among the regions,the resource of shale gas in Paleozoic is the largest,while the second is in Mesozoic.
引文
[1]张金川,薛会,张德明,等.页岩气及其成藏机理[J].现代地质,2003,17(4):466.
[2]张金川,金之均,袁明生.页岩气成藏机理和分布[J].天然气工业,2004,24(7):15-18.
[3]李新景,胡素云,程克明.北美裂缝性页岩气勘探开发的启示[J].石油勘探与开发,2007,34(4):392-400.
[4]陈建渝,唐大卿,杨楚鹏.非常规含气系统的研究和勘探进展[J].地质科技情报,2003,22(4):55-59.
[5]张金川,徐波,聂海宽,等.中国天然气勘探的两个重要领域[J].天然气工业,2007,27(11):1-6.
[6]CURTIS J B.Fractured shale-gas system[J].AAPG Bul-letin,2002,86(11):1921-1938.
[7]JARVIE D M,HILL R J,RUBLE T E,et al.Unconven-tional shale-gas systems:The Mississippian Barnett Shale of north-central Texas as one model for thermogenic shale-gas assessment[J].AAPG Bulletin,2007,91(4):475-499.
[8]SCHMOKERJ W.Use of formation density logs to de-termine organic-carbon content in Devonian shales of the western Appalachian basin,and an additional example based onthe baaken Formation of the Willeston basin[G]∥ROENJ B,KEPFERLE R C.Petroleum Geology of Devo-nian and Mississipian black shale of easterm North America.US Geological Survey Bulletin,1993,1909:1-14.
[9]POLLASTRO R M,JARVIE D M,HILL RJ,et al.Geo-logic framework of the Mississippian Barnett Shale,Bar-nett-Paleozoic total petroleum system,Bend arch-Fort Worth Basin,Texas[J].AAPG Bulletin,2007,91(4):405-436.
[10]MARTINEAU D F.History of the Newark East field and the Barnett Shale as a gas reservoir[J].AAPG Bul-letin,2007,91(4):399-403.
[11]刘丽芳,徐波,张金川,等.中国海相页岩及其成藏意义[C]∥中国科协2005学术年会论文集:以科学发展观促进科技创新(上).北京:中国科学技术出版社,2005:457-463.
[12]张金川,金之钧,袁明生,等.油气成藏与分布的递变序列[J].现代地质,2003,17(3):323-330.
[13]戴金星.我国天然气资源及其前景[J].天然气工业,1994,14(1):3-6.
[14]张金功,袁政文.泥质岩裂缝油气藏的成藏条件及资源潜力[J].石油与天然气地质,2002,23(4):336-337.
[15]慕小水,苑晓荣,贾贻芳,等.东濮凹陷泥岩裂缝油气藏形成条件及分布特点.断块油气田[].2003,10(1):12-14.
[16]MILICI R C,SWEZEY C S.Assessment of Appalachian Basin oil and gas resources:Devonian shale-middle and upper paleozoic total petroleumsystem[M/OL].USGS,Published2006,Version1.0-Available online only.
[17]金之钧,张一伟,王捷,等.油气成藏机理与分布规律[M].北京:石油工业出版社,2003.
[18]金之钧,蔡立国.中国海相油气勘探前景、主要问题与对策[J].石油与天然气地质,2006,27(6):722-728.
[19]张金川,聂海宽,徐波,等.四川盆地页岩气成藏地质条件[J].天然气工业,2008,28(2):151-156.
[2]张金川,金之均,袁明生.页岩气成藏机理和分布[J].天然气工业,2004,24(7):15-18.
[3]李新景,胡素云,程克明.北美裂缝性页岩气勘探开发的启示[J].石油勘探与开发,2007,34(4):392-400.
[4]陈建渝,唐大卿,杨楚鹏.非常规含气系统的研究和勘探进展[J].地质科技情报,2003,22(4):55-59.
[5]张金川,徐波,聂海宽,等.中国天然气勘探的两个重要领域[J].天然气工业,2007,27(11):1-6.
[6]CURTIS J B.Fractured shale-gas system[J].AAPG Bul-letin,2002,86(11):1921-1938.
[7]JARVIE D M,HILL R J,RUBLE T E,et al.Unconven-tional shale-gas systems:The Mississippian Barnett Shale of north-central Texas as one model for thermogenic shale-gas assessment[J].AAPG Bulletin,2007,91(4):475-499.
[8]SCHMOKERJ W.Use of formation density logs to de-termine organic-carbon content in Devonian shales of the western Appalachian basin,and an additional example based onthe baaken Formation of the Willeston basin[G]∥ROENJ B,KEPFERLE R C.Petroleum Geology of Devo-nian and Mississipian black shale of easterm North America.US Geological Survey Bulletin,1993,1909:1-14.
[9]POLLASTRO R M,JARVIE D M,HILL RJ,et al.Geo-logic framework of the Mississippian Barnett Shale,Bar-nett-Paleozoic total petroleum system,Bend arch-Fort Worth Basin,Texas[J].AAPG Bulletin,2007,91(4):405-436.
[10]MARTINEAU D F.History of the Newark East field and the Barnett Shale as a gas reservoir[J].AAPG Bul-letin,2007,91(4):399-403.
[11]刘丽芳,徐波,张金川,等.中国海相页岩及其成藏意义[C]∥中国科协2005学术年会论文集:以科学发展观促进科技创新(上).北京:中国科学技术出版社,2005:457-463.
[12]张金川,金之钧,袁明生,等.油气成藏与分布的递变序列[J].现代地质,2003,17(3):323-330.
[13]戴金星.我国天然气资源及其前景[J].天然气工业,1994,14(1):3-6.
[14]张金功,袁政文.泥质岩裂缝油气藏的成藏条件及资源潜力[J].石油与天然气地质,2002,23(4):336-337.
[15]慕小水,苑晓荣,贾贻芳,等.东濮凹陷泥岩裂缝油气藏形成条件及分布特点.断块油气田[].2003,10(1):12-14.
[16]MILICI R C,SWEZEY C S.Assessment of Appalachian Basin oil and gas resources:Devonian shale-middle and upper paleozoic total petroleumsystem[M/OL].USGS,Published2006,Version1.0-Available online only.
[17]金之钧,张一伟,王捷,等.油气成藏机理与分布规律[M].北京:石油工业出版社,2003.
[18]金之钧,蔡立国.中国海相油气勘探前景、主要问题与对策[J].石油与天然气地质,2006,27(6):722-728.
[19]张金川,聂海宽,徐波,等.四川盆地页岩气成藏地质条件[J].天然气工业,2008,28(2):151-156.
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