Results 21 to 30 of about 109,385 (246)
Geofluids, 2021 Threshold pressure gradient, gas slippage, and stress sensitivity have important effects on the production of a tight gas reservoir. But previous studies only focused on one or two of these effects.
Jing Chen +5 more
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Oil & Gas Science and Technology, 2006 On étudie dans cet article l'influence du gradient de seuil sur des essais de remontée de pression et d'écoulement dans les puits. Les solutions analytiques appropriées à ces essais sont obtenues dans deux cas d'intérêt pratique : le cas du gisement ...
Pascal H.
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Static Threshold Pressure Gradient of Micro-Channels [PDF]
, 2007 The exploitation of oil fields and laboratory experiments exhibit the existence of Threshold Pressure Gradient (TPG) of liquid flow in low permeability porous media. That is to say, only the actual pressure gradient imposed is larger than TPG, the liquid can flow in porous media.
openaire +1 more source
A Study of the Non-Linear Seepage Problem in Porous Media via the Homotopy Analysis Method
Energies, 2023 A non-Darcy flow with moving boundary conditions in a low-permeability reservoir was solved using the homotopy analysis method (HAM), which was converted into a fixed-boundary mathematical model via similarity transformation.
Xiangcheng You +3 more
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Therapeutic Apheresis and Dialysis, EarlyView.ABSTRACT Background Japan has one of the highest dialysis prevalence rates worldwide and a shrinking, aging population. Whether dialysis burden has entered a sustained post‐peak phase or whether recent declines partly reflect pandemic‐related disruptions remains uncertain.
Hatice Şahin +2 more
wiley +1 more source
An analytical model of SAGD process considering the effect of threshold pressure gradient
IOP Conference Series: Earth and Environmental Science, 2018 © 2018 Institute of Physics Publishing. All rights reserved. An analytical model is proposed for the development of super-viscous oil deposits by the method of steam-assisted gravity drainage, taking into account the nonlinear filtration law with the limiting gradient. The influence of non-Newtonian properties of oil on the productivity of a horizontal
P. Morozov, A. Abdullin, M. Khairullin
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EnergiesUtilizing the discrete fracture model (DFM), a transient flow model is established for fractured horizontal wells in tight oil reservoirs, accounting for threshold pressure gradient (TPG), stress sensitivity effect, hydraulic fracture parameters, and ...
Lichun Sun +4 more
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Geofluids, 2019 In general, there is stress sensitivity damage in tight reservoirs and fractures. Furthermore, the flow in tight reservoirs is the low-velocity non-Darcy flow.
Zhongwei Wu +4 more
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A computational method of critical well spacing of CO2 miscible and immiscible concurrent flooding
Petroleum Exploration and Development, 2017 : Based on the theory of non-Darcy seepage, a mathematical model for CO2 miscible and immiscible concurrent flooding considering changes of oil viscosity and threshold pressure gradient of oil and CO2 is established.
Jie CHI +4 more
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Peripheral lysosomes recruit PLEKHG3 to focal adhesions and restrain protrusion dynamics
FEBS Letters, EarlyView.Proximity‐dependent labeling at the LAMTOR complex revealed the Rho GEF PLEKHG3 as a lysosome‐proximal protein directing the study toward the influence of lysosome positioning on actin dynamics and cell motility. We show that PLEKHG3 colocalizes with lysosomes at focal adhesion sites and observe that forced peripheral dispersion of lysosomes hinders ...
Rainer Ettelt +8 more
wiley +1 more source