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1、鐘～I奸利I，蒲一海0，高I1I『林¨l，邱
2、u芒／?疆(1西安科技大學地質與環(huán)境工程學院，西安710054；2西北大學大陸動力學國家重點實驗室，西安7100693中國石化西北油田分公司，烏魯木齊830011)摘要：伊寧凹陷構造變形強烈，構造演化認識不清。利用地震、鉆井資料恢復了伊寧凹陷二疊紀古近紀古構造面貌，以及期問所遭受的構造剝蝕情況，在此基礎上對二疊系生油巖可能的油氣運聚進行預測后指出，伊寧凹陷在三疊紀由斷陷轉為凹陷。二疊紀古近紀伊寧凹陷整體上北低南高、西低東高；二疊紀伊寧凹陷北部為深陷帶，南部、東部為斜坡區(qū)，且南坡較東坡陡；三疊
3、紀伊寧凹陷構造變得低緩，凹陷中央次凸帶發(fā)育北西西向延伸的小凸起；侏羅紀伊寧凹陷沉降中心向北東方向轉移，南坡變緩，東坡變陡。凹陷中部的寧4井附近的斷凸、伊2井西的斷鼻、英塔木南的斷鼻均為為鐵木里克組油氣的有利聚集區(qū)。關鍵詞：伊寧凹陷；二疊紀；構造演化；鐵木里克組；油氣聚集文章編號：10013873(2014)O1002905中圖分類號：TEl112文獻標識碼：APaleostructuralEvolutionandRelationshipwithHydrocarbonofPermianinYiningSagZHONGHongli，PURe
4、nhai，GA0Shanlin，QIUFangqiang(1CollegeofGeologyandEnvironmentalEnee~ng，Xi’anUniversityofScienceandTeehnolog7，Xi’an，Shaar~xl710054，China；2StateKeyLaboratmTofContinentMDynamics，NorthwestUniversity，Xi’an，Shaar~xl710069，China；3NorthwestOilfieldCompany，Sinopee，Urumqi，Xinjiang8
5、30011，China)Abstract：ThetectonicdeformationinYiningsagisSOs~ongthatleadstounclearunderstandingsofthetectonicevolutionuptonowThispaperrestoredthepaleoteetor~efeaturesofPermianPaleogeneinYiningsagbyl／leansoftheseismicanddrillingdata，ineludingthede—nudationthickness，bywhich
6、predietedtheprobablehydroearbonmigrationandaccumulationforthePermiansouroerocksTheresultshowsthatYiningsagwasconvertedfromfaultdepressionintosaginT~assie；thesag’sshapeappearslowinnorthandwestandhighinsouthandeastingeneral0mPermiantoPaleogene；inthePermian．thenorthernparto
7、fthesagwasadeepriftedbelt．thesouthandeastpartswereinslopeareathatlookslikesteeperinthesouththanintheeast；intheTriassie，thesagstrueturebeeamelower，thesub—swellzoneintheeentralsagoccurredSOl／lesmalswelsextendingalongNWW：intheJurassic．thesubduetioneenterofthesagtransferredt
8、o—wardNW，appea~ngflatinthesouthslopeandsteepintheeastoneItisconcludedthatthefaultswellnearWellNing一4andfaultnoseatthewestofWellYi一2ineenterofthesagandfaultnoseinthesouthofYingtamucouldbethefavorablehydroearbonaccumulationareasofTiemulikeformationinYiningsagKWords：Yinings
9、ag；Permian；strueturalevolution；Tiemulikeformation；hydrocarbonaccumulation伊犁盆地面積約386x10km，其東部位于中國達到了20％以
