Forced imbibition capillary pressure
Capillary pressure can serve as both an opposing or driving force for fluid transport and is a significant property for research and industrial purposes (namely microfluidic design and oil extraction from porous rock). It is also observed in natural phenomena. See more In fluid statics, capillary pressure ($${\displaystyle {p_{c}}}$$) is the pressure between two immiscible fluids in a thin tube (see capillary action), resulting from the interactions of forces between the fluids and solid walls of … See more Capillary pressure formulas are derived from the pressure relationship between two fluid phases in a capillary tube in equilibrium, which is that force up = force down. These forces are described as: These forces can … See more Needle ice In addition to being manipulated for medical and energy applications, capillary pressure is the cause behind various natural phenomena … See more • Capillary action • Capillary number • Disjoining pressure • Leverett J-function • Young–Laplace equation See more Capillary pressure is defined as: $${\displaystyle p_{c}=p_{\text{non-wetting phase}}-p_{\text{wetting phase}}}$$ where: See more Microfluidics Microfluidics is the study and design of the control or transport of small volumes of fluid flow through porous material or narrow channels for … See more It has been shown that as reservoir simulators use the primary drainage capillary pressure data for saturation-height modeling calculations, primary drainage capillary pressure data should be averaged in the same manner that water saturations are … See more WebJan 19, 2016 · After completing measurements of capillary pressure for primary drainage, the direction of saturation change can be reversed, and another capillary pressure …
Forced imbibition capillary pressure
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WebJan 1, 2024 · Then, spontaneous and forced imbibition capillary pressure curves (hereafter, collectively referred to as imbibition data) are measured by displacing oil with water (the blue dashed curve in Fig. 1), and the process continues until residual oil saturation (S o r) is reached where no more oil can be produced (point D in Fig. 1).
WebThe results suggested that wave-induced fluid-pressure diffusion at mesoscopic patches in conjunction with capillary action can have important implications for interpreting ultrasonic VSR and ASR ... WebOct 29, 2008 · The first term is the forced part of the capillary pressure with LET function fp. cow. F. The ... This paper demonstrates the effect of pore systems and mineralogy on imbibition capillary pressure ...
WebMay 16, 2024 · The mechanisms of forced imbibition (FI) under forced pressure (the difference between hydraulic fluid pressure and original pore pressure) need to be further studied; especially, the difference and boundary of various mechanisms in forced soaking are still unclear. WebJun 1, 2024 · Imbibition, which means the displacement of a non-wetting fluid by a wetting fluid driven by capillary force, is a common process with a lot of practical applications, …
WebIn forced imbibition test, 50,000 KCl brine was used similar to spontaneous imbibition test. Our results indicate that tight rocks have very high capillary pressure, and it is …
WebDec 14, 2007 · By computer experiments using a generic coarse-grained model, it is shown that an analysis of imbibition forced by a controllable external pressure quantifies … indigo wheelchair assistance numberWebApr 12, 2024 · Capillary pressure is the only driving force in the spontaneous imbibition process. According to the Young–Laplace thermodynamic equation, the contact angle of the two-phase interface is particularly important. The L–W model assumes that the contact angle is constant at its equilibrium value. indigo wheelchair contactWebJun 12, 2024 · The capillary pressure increases as the capillary size is decreased and shows a power-law dependence onthe size of the capillary. This dependence yields up … indigo wheelchair booking numberWebSummary Dietrich's discussion is wide ranging. We agree that oil recovery from diatomite rocks is influenced by a variety of mechanisms, that compaction plays a role, and that more work in the area of recovery mechanisms and their representation locomotive malaysiaWebJan 29, 2024 · The classical Lucas–Washburn (LW) equation and its modified forms were developed and have been applied extensively to elucidate the fundamental mechanisms underlying the basic statics and dynamics of the capillary-driven flow in porous systems. indigo wheelchair assistance bookingWebOct 1, 2012 · Primary drainage and imbibition capillary pressure and resistivity index (PcRI) were measured by the porous-plate method using stock tank oil and simulated formation brine at reservoir temperature and overburden conditions. Large hysteresis effects were obtained between primary drainage and imbibition for both Pc and RI curves. locomotive maintenance services limitedWebFeb 5, 2024 · The capillary pressure is considered as one of the driving forces for imbibition. Since this force is in inverse proportion to the pore size, it is particularly significant in the formation of nanopores and micropores. Thus, unconventional formation with smaller pore size usually has much higher capillary pressure and larger imbibition … indigo wheelchair request for senior citizens