A mixed element method for the desorption-diffusion-seepage model of gas flow in deformable coalbed methane reservoirs
type: Item
instance of: scholarly article
title: A mixed element method for the desorption-diffusion-seepage model of gas flow in deformable coalbed methane reservoirs
zbMATH Open document ID: 1407.76076
DOI: 10.1155/2014/735931
author: Lei Yang
published in: Mathematical Problems in Engineering
publication date: 2019-02-08T00:00:00Z
review text: Summary: We present a desorption-diffusion-seepage model for the gas flow problem in deformable coalbed methane reservoirs. Effects of fracture systems deformation on permeability have been considered in the proposed model. A mixed finite element method is introduced to solve the gas flow model, in which the coalbed gas pressure and velocity can be approximated simultaneously. Numerical experiments using the lowest order Raviart-Thomas (\(\text{RT}_0\)) mixed element are carried out to describe the dynamic characteristics of gas pressure, velocity, and concentration. Error estimate results indicate that approximation solutions could achieve first-order convergence rates.
Mathematics Subject Classification ID: 76M10
Mathematics Subject Classification ID: 65M60
Mathematics Subject Classification ID: 76N15
zbMATH DE Number: 7017158
Wikidata QID: Q59071810
MaRDI profile type: Publication
full work available at URL: https://doi.org/10.1155/2014/735931
OpenAlex ID: W2057918513
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description: scientific article; zbMATH DE number 7017158