《页岩气讲座》PPT课件.ppt

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1、Content1.Unconventional oil and gas2.Shale reservoirs:heterogeneous 3.Factors that influence gas in place and pore systems4.Factors that influence deliverability(fractures and pore system)5.General applications to WCSBOccurrenceofgasinshalesSizeoftheShaleResource:(OriginalGas-in-Place)PorosityPore s

2、izeLithologyTOCThermalmaturityoftherockReservoirTandPSEMbackscatterimageshowingthepresenceofporeswithinOrganicmatter,withlikelyformedasaresultofhydrocarbongeneration(ImageprovidedbyR.ReedtoRuppelandlouck,2008)SAXS：Small-angleX-rayscattering(X射线散射电镜）SAXS：Small-angleX-rayscattering(X射线散射电镜）Low P isoth

3、erm-低压等温低压等温 吸附分析吸附分析: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，通过是一种计算方法，通过N2的吸脱附实验，得到孔的吸脱附实验，得到孔体积数据，再利用体积数据，再利用BJH来计来计算样品孔的分布情况，得到算样品孔的分布情况，得到孔径与孔体积的相对关系。孔径与孔体积的相对关系。SizeoftheShaleResource:(OriginalGas-in-Place)PorosityPoresizeLithologyTOCandtypeofOMThermalmaturityoftherockR

4、eservoirTandPSizeoftheShaleResource:(OriginalGas-in-Place)PorosityPoresizeLithologyTOCThermal maturity of the rock ReservoirTandPSizeoftheShaleResource:(OriginalGas-in-Place)PorosityPoresizeLithologyTOCThermalmaturityoftherockReservoir T and PSizeoftheShaleResource:(OriginalGas-in-Place)PorosityPoresizeLithologyTOCThermalmaturityoftherockReservoirTandP