Method and system for predicting production of fractured horizontal well in shale gas reservoir
The present disclosure relates to a method and system for predicting the production of a fractured horizontal well in a shale gas reservoir, and relates to the technical field of fractured horizontal wells. Considering the different diffusion modes of the matrix in different zones, the present discl...
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| creator | QIU, Tingting RAO, Daqian HU, Shuyong HUANG, Wenhai ZHANG, Jiayi |
| description | The present disclosure relates to a method and system for predicting the production of a fractured horizontal well in a shale gas reservoir, and relates to the technical field of fractured horizontal wells. Considering the different diffusion modes of the matrix in different zones, the present disclosure uses Fick's First Law to describe the pseudo-steady-state diffusion of the matrix in the fracture network zone, Fick's Second Law to describe the unsteady-state diffusion of the matrix in the pure matrix zone, and Darcy's Law to describe the seepage in the fracture network. The present disclosure predicts the production of the fractured horizontal well in the shale gas reservoir under the conditions of matrix-microfracture coupling and hydraulically created fracture-microfracture coupling. The present disclosure improves the prediction accuracy of shale gas well production, and more accurately describes the actual flow law of the shale gas reservoir. |
| format | Patent |
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Considering the different diffusion modes of the matrix in different zones, the present disclosure uses Fick's First Law to describe the pseudo-steady-state diffusion of the matrix in the fracture network zone, Fick's Second Law to describe the unsteady-state diffusion of the matrix in the pure matrix zone, and Darcy's Law to describe the seepage in the fracture network. The present disclosure predicts the production of the fractured horizontal well in the shale gas reservoir under the conditions of matrix-microfracture coupling and hydraulically created fracture-microfracture coupling. 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| subjects | CALCULATING COMPUTING COUNTING DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES DETECTING MASSES OR OBJECTS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR TESTING |
| title | Method and system for predicting production of fractured horizontal well in shale gas reservoir |
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