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Method of Determining Downhole Formation Grain Size Distribution Using Acoustic and NMR Logging Data
Method of Determining Downhole Formation Grain Size Distribution Using Acoustic and NMR Logging Data
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机译:利用声波和核磁共振测井资料确定井下地层粒度分布的方法
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摘要
The grain size distribution of a pore-scale geometric model of a clastic earth formation are adjusted so that the NMR relaxation time distribution output of the model matches a measured NMR distribution, and an acoustic velocity output of the model matches a measured acoustic velocity (compressional and/or shear). Fluid drainage and imbibing can be simulated. Additional properties of the earth formation are predicted using the pore-scale model. The additional properties may be based on additional measurements of properties of a fluid in the formation.
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