澳大利亚H区块中煤阶煤层气储层评价
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摘要
澳大利亚煤层气资源丰富,尤其是中煤阶的煤层气具有埋藏深度浅、含气量高、渗透率高等易于商业开发的特点。以澳大利亚H区块中煤阶的煤层气为研究对象,在测井识别煤层的基础上,利用测井、录井、岩心分析等数据开展了煤层气储层分布、煤质、物性以及含气性研究,利用取心分析数据获得的动态兰氏体积构建煤层含气量及含气饱和度模型,实现H区块煤层气储层表征。研究结果表明,澳大利亚H区块煤层气储层具有高含气量、低灰分、低挥发分、低湿度、高固定碳、高渗透率的特点,具有较高开发潜力。煤层气储层特征评价将为后续煤层气开发奠定基础,同时为同类型煤层气储层评价提供借鉴。
Australia is rich in CBM resources,especially middle rank CBM with shallow burial depth,high gas content and high permeability.The medium-rank CBM in Block H of Australia was taken as the research object,and logging,core and other data were taken as the basic data.On the basis of identifying coal by logging data and studying the distribution characteristics,the coal quality,reservoir physical property characteristics and gas content characteristics of CBM reservoir were studied.The dynamic Langmuir volume method was adopted to simulate the coal seam gas content and gas saturation on the basis of core data.The results show that middle rank CBM in H Block of Australia has the characteristics of high gas content,low ash content,low volatile content,low humidity,high fixed carbon and relatively high permeability,which shows a good development prospect.The CBM reservoir characteristics evaluation lays a foundation for the development of Block H in Australia,and provides a reference for the same type of CBM reservoir evaluation in China.
Australia is rich in CBM resources,especially middle rank CBM with shallow burial depth,high gas content and high permeability.The medium-rank CBM in Block H of Australia was taken as the research object,and logging,core and other data were taken as the basic data.On the basis of identifying coal by logging data and studying the distribution characteristics,the coal quality,reservoir physical property characteristics and gas content characteristics of CBM reservoir were studied.The dynamic Langmuir volume method was adopted to simulate the coal seam gas content and gas saturation on the basis of core data.The results show that middle rank CBM in H Block of Australia has the characteristics of high gas content,low ash content,low volatile content,low humidity,high fixed carbon and relatively high permeability,which shows a good development prospect.The CBM reservoir characteristics evaluation lays a foundation for the development of Block H in Australia,and provides a reference for the same type of CBM reservoir evaluation in China.
引文
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[14]王志文,潘保芝,李舟波,等.基于等温吸附线的煤层气储层的测井评价技术[J].地球物理学进展,2010,25(4):1352-1359.WANG Z W,PAN B Z,LI Z B,et al.Logging evaluation methods of CBM reservoir based on adsorption equation[J].Progress in Geophysics,2010,25(4):1352-1359.
[15]陈振宏,陈艳鹏,杨焦生,等.高煤阶煤层气储层动态渗透率特征及其对煤层气产量的影响[J].石油学报,2010,31(6):966-969.CHEN Z H,CHEN Y P,YANG J S,et al.Reservoir dynamic permeability of high rank CBM and its effect on the CBM output[J]Acta Petrolei Sinica,2010,31(6):966-969.
[16]郭徽,房新亮,王雪颖,等.煤层气井排采时储层渗透率变化特征研究[J].煤炭科学技术,2013,41(1):82-83.GUO H,FANG X L,WANG X Y,et al Study on permeability rate variation features of mine coal bed methane reservoir duing gas drainage process of coal bed methane well[J].Coal Science and Technology,2013,41(1):82-83.
[17]孟召平,田永东,李国富.煤层气开发地质学理论与方法[M].北京:科学出版社,2010.MENG Z P,TIAN Y D,LI G F.Theory and method of CBM development geology[M].Beijing:Science Press,2010.
[18]王宏图,鲜学福,杜云贵,等.煤矿深部开采煤层气含量计算的解析法[J].中国矿业大学学报,2002,31(4):367-369.WANG H T,XIAN X F,DU Y G,et al.Analytical method for CBM content calculation in deep mining of coal mine[J].Journal of China University of Mining and Technology,2002,31(4):367-369.
[2]孙粉锦,王勃,李梦溪,等.沁水盆地南部煤层气富集高产主控地质因素[J].石油学报,2014,35(6):1070-1079.SUN F J,WANG B,LI M X,et al.Major geological factors controlling the enrichment and high yield of CBM in the southern Qinshui Basin[J].Acta Petrolei Sinica,2014,35(6):1070-1079.
[3]孟召平,刘翠丽,纪懿明.煤层气/页岩气开发地质条件及其对比分析[J].煤炭学报,2013,38(5):728-736.MENG Z P,LIU C L,JI Y M.Geological conditions of oalbed methane and their comparison and shale gas exploitation analysis and shale gas exploitation analysis[J].Journal of China Coal Society,2013,38(5):728-736.
[4]淮银超,张铭,杨龙伟,等.基于相控的煤层气藏三维地质建模[J].地球科学与环境学报,2017,39(2):275-285.HUAI Y C,ZHANG M,YANG L W,et al.Facies-controlled three-dimensional geological modeling for CBM reservoir[J].Journal of Earth Sciences and Environment,2017,39(2):275-285.
[5]刘承民,左明星.煤层气储层参数测井评价方法及相关问题探讨[J].煤炭与化工,2014,37(5):25-28.LIU C M,ZUO M X.CBM reservoir parameter well logging evaluation methods and related problems discussion[J].Coal and Chemical Industry,2014,37(5):25-28.
[6]辛欣,张培河,姜在炳,等.彬长矿区煤层气储层参数及开发潜力[J].中国煤炭地质,2014,26(3):19-22.XIN X,ZHANG P H,JIANG Z B,et al.CBM reservoir parameters and exploitation potential in Binchang mining area[J].Coal Geology of China,2014,26(3):19-22.
[7]李俊乾,卢双舫,薛海涛,等.高阶煤层气储层非均质性及其定量评价——以沁水盆地南部郑庄区块为例[J].石油与天然气地质,2016,37(1):72-79.LI J Q,LU S F,XUE H T,et al.Intra-tratal heterogeneity of high rank CBM reservoirs and their quantitative evaluation:Acase study from Zhengzhuang block in the southern Qinshui Basin[J].Oil&Gas Geology,2016,37(1):72-79.
[8]刘之的,赵靖舟,时保宏,等.煤层气储层“三品质”测井定量评价方法研究——以鄂尔多斯盆地东缘韩城矿区为例[J].天然气地球科学,2015,26(5):966-978.LIU Z D,ZHAO J Z,SHI B H,et al.Study on the method of quantitative evaluation for"three qualities"of CBM reservoir using logging data:A case from the Hancheng mine at the eastern edge of the Ordos Basin[J].Natural Gas Geoscience,2015,26(5):966-978.
[9]彭苏萍,杜文凤,殷裁云,等.高丰度煤层气富集区地球物理识别[J].煤炭学报,2014,39(8):1398-1403.PENG S P,DU W F,YIN C Y,et al.High abundance CBM rich region geophysical identification[J].Journal of China Coal Society,2014,39(8):1398-1403.
[10]董震,葛祥,何传亮.测井综合评价指标在煤层气井产能评价中的应用[J].测井技术,2016,40(2):214-219.DONG Z,GE X,HE C L.Application of composite evaluation indicator from logs to productivity evaluation of coalbed gas well[J].Well Logging Technology,2016,40(2):214-219.
[11]杨东根,范宜仁,邓少贵,等.利用测井资料评价煤层煤质及含气量的方法研究——以和顺地区为例[J].勘探地球物理进展,2010,33(4):262-265.YANG D G,FAN Y R,DENG S G,et al.Study on the method of evaluating coal quality and gas content by using logging data:a study case in Heshun[J].Reservoir Evaluation and Development,2010,33(4):262-265.
[12]刘之的,杨秀春,陈彩红,等.鄂东气田煤层气储层测井综合评价方法研究[J].测井技术,2013,37(3):289-293.LIU Z D,YANG X C,CHEN C H,et al.Comprehensive log evaluation for CBM reservoir in eastern block of Ordos Basin[J].Well Logging Technology,2013,37(3):289-293.
[13]黄兆辉,邹长春,杨玉卿,等.沁水盆地南部TS地区煤层气储层测井评价方法[J].现代地质,2012,26(6):1275-1282.HUANG Z H,ZOU C C,YANG Y Q,et al.CBM reservoir evaluation from wireline logs in TS district,southern Qinshui Basin[J]Geoscience,2012,26(6):1275-1282.
[14]王志文,潘保芝,李舟波,等.基于等温吸附线的煤层气储层的测井评价技术[J].地球物理学进展,2010,25(4):1352-1359.WANG Z W,PAN B Z,LI Z B,et al.Logging evaluation methods of CBM reservoir based on adsorption equation[J].Progress in Geophysics,2010,25(4):1352-1359.
[15]陈振宏,陈艳鹏,杨焦生,等.高煤阶煤层气储层动态渗透率特征及其对煤层气产量的影响[J].石油学报,2010,31(6):966-969.CHEN Z H,CHEN Y P,YANG J S,et al.Reservoir dynamic permeability of high rank CBM and its effect on the CBM output[J]Acta Petrolei Sinica,2010,31(6):966-969.
[16]郭徽,房新亮,王雪颖,等.煤层气井排采时储层渗透率变化特征研究[J].煤炭科学技术,2013,41(1):82-83.GUO H,FANG X L,WANG X Y,et al Study on permeability rate variation features of mine coal bed methane reservoir duing gas drainage process of coal bed methane well[J].Coal Science and Technology,2013,41(1):82-83.
[17]孟召平,田永东,李国富.煤层气开发地质学理论与方法[M].北京:科学出版社,2010.MENG Z P,TIAN Y D,LI G F.Theory and method of CBM development geology[M].Beijing:Science Press,2010.
[18]王宏图,鲜学福,杜云贵,等.煤矿深部开采煤层气含量计算的解析法[J].中国矿业大学学报,2002,31(4):367-369.WANG H T,XIAN X F,DU Y G,et al.Analytical method for CBM content calculation in deep mining of coal mine[J].Journal of China University of Mining and Technology,2002,31(4):367-369.
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