HighResolutionSequenceStratigraphyDivisionandDepositional CharacteristicsofPutaohuaReservoir,SanzhaoDepression
- Received Date: 1900-01-01
- Rev Recd Date: 1900-01-01
- Publish Date: 2008-06-10
-
Key words:
- highresolutionsequencestratigraphy /
- baselevelcycle /
- formationframework /
- depositioncharacteristic /
- re mainingoilextractionpotentia
Abstract: Byusingthehighresolutionsequencestratigraphytheory,throughdepositionaldynamicanalysis,thecores
of10wellsand1256wellloggingdata,PutaohuareservoirofSanzhaodepressioninSongliaobasinisdividedas1
longtermbaselevelcycle,2mediumterm baselevelcycles,12shortterm baselevelcycles,proposedmiddleflaw
nonbaseflawsequenceformationnewframeworkwiththesedimentarystructureliftingcontrolinthesouthofPutaohua
reservoir.Throughthestudyofreservoirdepositioncharacterandsinglesandbodydistributionlawinshorttermbase
levelcycle,itisrealizedthatthesubmarineriversandbodyasPutaohuareservoirmainreservoircourseiscontinual
thanoriginalunderstanding,alsoextendsfaraway,thedivergenceplain,innerfrontfaciesbeltsouthmovementreac
hingto36km,thishasimportantsignificancetoknowreservoirtypesinthisarea,isspeciallyhighwaterytimeremai
ningoilextractionpotential,hasthesignificantinfluenceoninstructinglithologicalreservoirexplorationandthedevel
opmentinthenorthblockofSongliaoBasin.
Citation: | LIU Zhong-bao. HighResolutionSequenceStratigraphyDivisionandDepositional CharacteristicsofPutaohuaReservoir,SanzhaoDepression[J]. Acta Sedimentologica Sinica, 2008, 26(3): 399-406. |