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ID:37335004
大小:1.23 MB
页数:6页
时间:2019-05-21
《徐家围子断陷气源断裂输导天然气能力评价》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、2016年2月大庆石油地质与开发Feb.,2016PetroleumGeologyandOilfieldDevelopmentinDaqingV01.35No.1第35卷第1期DOI:10.3969/J.ISSN.1000-3754.2016.01.004徐家围子断陷气源断裂输导天然气能力评价周义博(东北石油大学地球科学学院,黑龙江大庆163318)摘要:为了研究气源断裂在松辽盆地徐家围子断陷火山岩天然气成藏中的作用,以气源断裂输导天然气机理及影响因素研究为基础,通过考虑断裂输导天然气能力和源岩供气条件,建立了一
2、套气源断裂输导天然气能力综合定量评价方法,对徐家围子断陷火山岩储层中气源断裂输导天然气能力进行了综合定量评价。结果表明:徐家围子断陷火山岩储层中气源断裂在徐深301井附近输导天然气能力最强;达深1井以北、肇深5井东南、朝深2井北部和汪深101井一芳深9井以东地区,气源断裂输导天然气能力相对较强,应是天然气成藏的有利地区,目前这些地区已发现了大量营城组火山岩气藏;朝深2井东北和达深1井西北地区气源断裂输导天然气能力强,应是徐家围子断陷火山岩天然气下步勘探的有利地区。关键词:气源断裂;输导天然气能力;定量评价;徐家围
3、子断陷;火山岩气藏中图分类号:TE122.1文献标识码:A文章编号:1000—3754(2016)O1-0o19—06EVALUATIoNoFTHEGASTRANSPoRTINGCAPACITYFoRTHESoURCE—RoCKFAULTSINXUJIAWEIZIFAULTDEPRESSIONZH0UYibo(CollegeoftheGeosciences,NortheastPetroleumUniversity,Daqing163318,China)Abstract:Inordertostudytheroles
4、ofthesource—rockfaultsinthegasreservoiraccumulationinthevolcanicrocksofXujiaweiziFaultDepressioninSongliaoBasin,basedontheresearchesonthegastransportingmechanismandinfluencingfactorsofthefaults,asetofcomprehensiveandquantitativeevaluatingmethodsforthesource—r
5、ockgastransportingcapacityareestablishedintheconsiderationoftheaboveabilityandfaulttransportingcapacityandmoreoverthecombinedcomprehensiveandquantitativeevaluationoftheformercapacityisconducted.Theachieve—mentsshowthatthestrongesttransportingcapacityisdiscove
6、rednearbyWellXushen301;therelativestrongerabil-itiesareproveninthenorthtoWellDashen1,thesoutheasttoWellZhaoshen5,thenorthtoWellChaoshen2andtheeasttoWellWangshen101一wellFangshen9,theseregionsareregardedasthefavorableareasforthegasreser—voiraccumulationandupton
7、owalargenumberofvolcanicgasreservoirshasbeenfoundinK1yc;thegastranspor-tingcapacitiesinthenortheasttoWellChaoshen2andthenorthwesttoWellDashen1areprettystronger,SOtheseregionsareconsideredtobethefavorableblocksofthefurtherexplorationofthevolcanicrockgasinthede
8、pression.Keywords:gas-source—rockfault;gastransportingcapacity/ability;quantitativeevaluation;XujiaweiziFaultDe—pression;volcanicgasreservoir收稿日期:2015—09.24改回日期:2015—12—22基金项目:国家自然基金项目“油源
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