Method for simulating flow of temporary plugging agent in hot dry rock complex fracture network

Method for simulating flow of temporary plugging agent in hot dry rock complex fracture network

The invention relates to a method for simulating the flow of a temporary plugging agent in a hot dry rock complex fracture network. The method comprises the following steps: researching the migration process of the granular temporary plugging agent in the complex crack of the hot dry rock; building...

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Hauptverfasser: WANG DAOBING, ZHENG CHEN, QIN HAO, YU BO, HAN DONGXU, DONG YONGCUN
Format: Patent
Sprache:chi ; eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator WANG DAOBING
ZHENG CHEN
QIN HAO
YU BO
HAN DONGXU
DONG YONGCUN
description The invention relates to a method for simulating the flow of a temporary plugging agent in a hot dry rock complex fracture network. The method comprises the following steps: researching the migration process of the granular temporary plugging agent in the complex crack of the hot dry rock; building a complex fracture physical model and a CFD-DEM coupling model for simulating the transportation process of the granular temporary plugging agent in the hot dry rock complex fracture network; taking temporary plugging agent particles as a dispersed phase, and taking fluid as a continuous phase; considering the interaction between the particles and the fluid and the interaction between the particles; meanwhile, considering the influence of temperature change on relevant attributes such as particle deformation, aggregation and friction coefficient of the temporary plugging agent, so that bidirectional coupling calculation of a continuous phase and a particle phase is realized. The movement of the particles of the tem
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title Method for simulating flow of temporary plugging agent in hot dry rock complex fracture network
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