Dual-porosity model of rate transient analysis for horizontal well in tight gas reservoirs with consideration of threshold pressure gradient
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Hydrodynamics"
DOI: 10.1007/s42241-018-0113-7
Abstract: Most researches of the threshold pressure gradient in tight gas reservoirs are experimental and mainly focus on the transient pressure response, without paying much attention to the transient rate decline. This paper establishes a dual-porosity… read more here.
Keywords: tight gas; pressure gradient; rate; threshold pressure ... See more keywords
Exact analytical solution of a generalized multiple moving boundary model of one-dimensional non-Darcy flow in heterogeneous multilayered low-permeability porous media with a threshold pressure gradient
Sign Up to like & getrecommendations! Published in 2020 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2020.01.028
Abstract: Abstract A nonlinear generalized multiple moving boundary model of one-dimensional non-Darcy flow in heterogeneous multilayered low-permeability porous media with a threshold pressure gradient is constructed, in which the total rate of fluid injection into the… read more here.
Keywords: pressure gradient; threshold pressure; pressure; darcy flow ... See more keywords
Threshold pressure gradient for helium seepage in coal and its application to equivalent seepage channel characterization
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Natural Gas Science and Engineering"
DOI: 10.1016/j.jngse.2021.104231
Abstract: Abstract Seepage is the main gas migration form in coal seam. The experiments in this study show that there exist threshold pressure gradient and low-velocity nonlinear seepage phenomenon when non-adsorbable helium flows in coal briquette.… read more here.
Keywords: pressure gradient; seepage channel; seepage; coal ... See more keywords
Production prediction method of horizontal wells in tight gas reservoirs considering threshold pressure gradient and stress sensitivity
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2019.106750
Abstract: Abstract This study is aimed at the problem of specific seepage mechanisms, such as the threshold pressure gradient and stress sensitivity, in tight gas reservoirs, which have a tremendous influence on a gas well production… read more here.
Keywords: production; stress sensitivity; pressure gradient; gas ... See more keywords
Study on the Effect of Threshold Pressure Gradient on Remaining Oil Distribution in Heavy Oil Reservoirs
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DOI: 10.1021/acsomega.1c04537
Abstract: Due to the spatial network structure, heavy oil has a high threshold pressure gradient when it flows through porous media, and the threshold pressure gradient plays a crucial role in the distribution of remaining oil.… read more here.
Keywords: oil; pressure gradient; pressure; threshold pressure ... See more keywords
Analysis and Calculation of Threshold Pressure Gradient Based on Capillary Bundle
Sign Up to like & getrecommendations! Published in 2021 at "Mathematical Problems in Engineering"
DOI: 10.1155/2021/5559131
Abstract: Oilfield water injection is one of the important means to supplement energy to the formation and enhance oil recovery in the process of oilfield development. The level of water injection technology determines the effect of… read more here.
Keywords: pressure gradient; low permeability; gradient; threshold pressure ... See more keywords