【7A文】Shale gas (oil) Reservoirs（页岩油气藏的影响因素）.ppt

《【7A文】Shale gas (oil) Reservoirs（页岩油气藏的影响因素）.ppt》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、Shalegas(oil)Reservoirs:factorsthatinfluencereservoir’squalitywithrespecttogas/oilinplaceanddeliverabilityContentUnconventionaloilandgasShalereservoirs:heterogeneousFactorsthatinfluencegasinplaceandporesystemsFactorsthatinfluencedeliverability(fracturesandporesystem)GeneralapplicationstoWCSBConti

2、nuous-typegas&oilaccumulationsResourceplayIntegratedcross-plotofpermeabilityvs.porosityshowingflowunitsforconventional,tightgas,andshalegasreservoirsbasedonrp35porethroatvalues.F=Fayettville,HR=HornRiver,B=Barnett.Viscousflowisdominantinconventionalandtightgasreservoirsdowntomicroportsize.Diffusio

3、n-basedflowdominatesatthenanoportscale,typicalofshalereservoirs.ContentUnconventionaloilandgasShalereservoirs:geologicalsettingandheterogeneousFactorsthatinfluencegasinplaceandporesystemsFactorsthatinfluencedeliverability(fracturesandporesystem)GeneralapplicationstoWCSBShaleplaycomparison(sourceof

4、theabovenumbersprovidedbyU.S.DepartmentofEnergy,2009).FactorsthatinfluenceshalereservoirsContentUnconventionaloilandgasShalereservoirs:heterogeneousFactorsthatinfluencegasinplaceandporesystemsFactorsthatinfluencedeliverability(fracturesandporesystem)GeneralapplicationstoWCSBOccurrenceofgasinshales

5、SizeoftheShaleResource:(OriginalGas-in-Place)PorosityPoresizeLithologyTOCThermalmaturityoftherockReservoirTandPSEMbackscatterimageshowingthepresenceofporeswithinOrganicmatter,withlikelyformedasaresultofhydrocarbongeneration(ImageprovidedbyR.ReedtoRuppelandlouck,2008)SAXS：Small-angleX-rayscattering

6、(X射线散射电镜）SAXS：Small-angleX-rayscattering(X射线散射电镜）LowPisotherm-低压等温吸附分析:描述了在恒温下，可吸附在表面的气体体积与压力的函数关系。描述了一个地层能够储存多少气体以及该气体释放得多快BJH是一种计算方法，通过N2的吸脱附实验，得到孔体积数据，再利用BJH来计算样品孔的分布情况，得到孔径与孔体积的相对关系。SizeoftheShaleResource:(OriginalGas-in-Place)PorosityPoresizeLithologyTOCandtypeofOMThermalmaturityoftherockRese

7、rvoirTandPSizeoftheShaleResource:(OriginalGas-in-Place)PorosityPoresizeLithologyTOCThermalmaturityoftherockReservoirTandPSizeoftheShaleResource:(OriginalGas-in-Place)PorosityPoresizeLithologyTOCThermalmaturityoft