／NaturalGasTechnologyandEconomyVol.17，No.4Aug.20232023年第17卷·第4期天然气技术与经济NaturalGasTechnologyandEconomy修订回稿日期：2023－08－04作者简介：张岩（1978－），高级工程师，从事油气藏评价与开发方面的研究工作。E-mail：396488278@qq.com。川西气田雷口坡组气藏地质特征与开发技术政策GeologicalcharacteristicsanddevelopmenttechnologicalstrategiesongasreservoirsofGeologicalcharacteristicsanddevelopmenttechnologicalstrategiesongasreservoirsofLeikoupoFormation,westernSichuanBasinLeikoupoFormation,westernSichuanBasin张岩1王琼仙1邓美洲1高恒逸1丁蔚楠1敬永红2刘凤1刘沙1胡腾1罗丹序1苏娜1刘叶1（1.中国石化西南油气分公司勘探开发研究院，四川成都610041；2.中国石化西南油气分公司地质中心实验室，四川成都610081）ZHANGYan1,WANGQiongxian1,DENGMeizhou1,GAOHengyi1,DINGWeinan1,JINGYonghong2,LIUFeng1,LIUSha1,HUTeng1,LUODanxu1,SUNa1,andLIUYe1(1.ExplorationandDevelopmentResearchInstitute,SinopecSouthwestOil&GasCompany,Chengdu,Sichuan610041,China;2.Geo⁃logicalCentralLaboratory,SinopecSouthwestOil&GasCompany,Chengdu,Sichuan610081,China)Abstract:TakenwesternSichuangasfieldasanexample,suchcriticalgeologicalfactorsasreservoircharacteristicsandgas-waterdistributionaffectingdevelopmentbenefitswereanalyzedonthebasisofthin-section,mercury-injectionandtestdatatomakedevelopmenttechnologicalstrategiesinanefforttoassuregasreservoirsofLeikoupoFormationinwest⁃ernSichuanBasinwithbenefits.Resultsshowthat(i)thisfieldislocatedinthethrustnappestructurebeltofLongmen⁃shanpiedmont,whichisstructurallyaNE-SWtrendinglong-axisfaultedanticline,emergingasaframeworkofnorthhighandsouthlow.TheredevelopedinterlayerminorfaultsandotherminorfaultsaccompanyingwithPengxianfaultrespective⁃lyatflanksofJinmaandYazihestructures;(ii)therearetidal-flatsedimentaryfacieswhereasmainlyintertidal-subtidalsubfaciesdepositedinthisareawithdolomiticflatandalgaedolomiticflatasthefavorablemicrofaciesfeaturedbyasta⁃blelateralextension;(iii)asasortofthindolomiteinterlayerwiththecharacteristicsofoverlap-maps,thesereservoirsareverticallyablet...
