... capillary pressure time scale travel fractional flow function permeability saturation end effect SPWLA 63rd Annual Logging Symposium, June 10-15, 2022 DOI: 10.30632/SPWLA-2022-0031 EXTENDED FRACTIONAL FLOW THEORY FOR STEADY STATE RELATIVE PERMEABILITY EXPERIMENTS WITH CAPILLARY END EFFECTS...

... not reliably assess these complexities, requiring extensive calibration efforts or pore-scale image analysis. A recently developed method enabled assessment of pore-network properties such as constriction factor, pore-body- and pore-throat-size distributions as well as permeability and capillary pressure based...

... logging symposium rock sample capillary pressure permeability throat-size distribution saturation-dependent capillary pressure limestone university SPWLA 62nd Annual Logging Symposium, May 17-20, 2021 DOI: 10.30632/SPWLA-2021-0093 RELIABLE QUANTIFICATION OF PORE GEOMETRY IN CARBONATE ROCKS USING...

...) results obtained from the digital rock analysis (DRA) assuming uniform water-wetness are consistent with relative permeability calculated from mercury injection capillary pressure using Brooks-Corey model. When wettability of the digital rock model was set to mixed-wet, the resulted Kro matches...

... capillary pressure (MICP) data, reservoir heterogeneity can be determined. This complexity of the formation characterization presents challenges in reservoirs that contain tilted water/oil contact (WOC). Tilted WOC discovers hydrocarbon saturation below the free-water level, and different events during...

... it may be extrapolated to the uncored zones using available high resolution logs. Special petrophysical analyses such as NMR Low Field, Porous Plate Capillary Pressure, Electrical Properties and Relative Permeability Curves (Steady State) showed correlation with the defined rock types and in turn allowed...

... ABSTRACT We introduce a workflow to calculate capillary pressure curves from NMR transverse relaxation time ( T 2 ) distributions of partially hydrocarbon-saturated measurements. First, we develop a pore-size-dependent fluid-substitution (PSDFS) joint inversion method to correct T 2...

..., capillary pressure, and in-situ flow measurements. First, we looked at the cutoffs defining hydrocarbon charge into the pore system. Proper determination of this cutoff can help better estimate hydrocarbon in place. To address this question, we have developed NMR T2 Shape and 2D Shape analyses to define...

.... Upstream Oil & Gas reservoir simulation Thickness calculation sensitivity Reservoir Characterization layer thickness saturation height model log data application geometric average synthetic log data scaling method capillary data water saturation spwla 59 porosity capillary pressure...

... ABSTRACT While permeability modelling follows a well-established route in converting laboratory properties to subsurface conditions, ambiguity remains over the route to be followed by the laboratory acquired capillary pressures (under ambient conditions like most of Mercury Injection-MICP...

... by a combination of in-situ capillary pressure and mud- filtrate invasion effects. For high-quality reservoirs able to sufficiently dissipate localized pressure disturbances caused by mud-filtrate invasion, results indicate that the difference between measured and actual formation pressure is equal...

... (Permeability, Lithology, Porosity and Lithofacies). It is important to recognize that none of the standard PTRi directly account for multi-modal pore geometries. carbonate saturation spwla 58 Winland capillary pressure Symposium throat radius PRT Schlumberger petrophysical rock type...

... and core derived water saturations to the reservoir model cell sizes. This paper clarifies the, often misunderstood, definitions for the free-water-level, transition zone and irreducible water saturation. Using capillary pressure theory and the concept of fractals, a practical SwH function is derived...

..., relative permeabilities, capillary pressure curves and formation factor. In this approach, the invasion process is not simulated in itself as it would lead to a very unstable inverse problem within the time frame of the logging. On the contrary, it considers the fluids in the invaded domain as radially...

... Upstream Oil & Gas water saturation drainage facies Almond imbibition Reservoir Characterization correlation porosity hydrocarbon gas saturation permeability spwla 57 phase saturation Symposium saturation saturation-height model capillary pressure University shoreface...

... reservoirs, shale oil and gas plays have kerogen pores containing micropores (< 2 nm) and mesopores (2 50 nm) in their matrices (Kuila and Prasad, 2011). These small pores may result in non- negligible capillary pressure and changes in phase behavior of reservoir fluids. The conventional flash calculation...

... to MICP groups without transferring to log domain necessary for reliable earth modeling. A procedure has been developed to describe the dominant pore types occurring within a carbonate reservoir based on the interpretation of standard core data, mercury injection capillary pressure data and wireline log...

... Oil in Place (OOIP) of a reservoir it is necessary to know the limits of oil accumulation in the subsurface. One of the limits to be determined is the water-oil contact (WOC). The transition zone of this contact is capillary pressure dependent. Traditional techniques to determine the WOC involve...

..., capillary pressure, and compositional gradients are among the most prevalent sources of uncertainty. Most of them are well documented at lower temperatures and pressures, but, until now, fluid contact uncertainty in high-pressure, high-temperature (HPHT) environments has received little attention...

... such as relative permeability and capillary pressure directly correlate with porosity and permeability (Angeles et al., 2010; Corey et al., 1956; Fetkovich et al., 1986). These properties influence not only the radius of invasion but also the shape of the radial invasion front (Wu et al., 2004; Dussan et al., 2002...