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Keywords: capillary pressure
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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205989-MS
... in this paper. It is then tested on a carbonate reservoir case study with a significant number of SCAL data, both capillary pressure and relative permeability curves. It is demonstrated that the methodology allows a good identification of rock-types from the relative permeability data set. These rock-types...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206023-MS
... productivity is studied. In this work, several experiments were carried out including coreflooding, capillary pressure, and relative permeability measurements. The profiles of condensate saturations show that GS can mitigate the condensate bank by 84%, while TCF removed around 63% of the condensate liquid...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206031-MS
... is presented when the amount of wetting liquid volume connected to the pore is altered through changing the boundary conditions (cases 1 and 2). Moreover, the effect of drier surrounding medium and/or drier pores is also tested by increasing either the capillary pressure surrounding the pore or the capillary...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206202-MS
... characteristic is 1, and Eq. (1) is obeyed. More interestingly, no matter how the sphere is distorted, as long as no holes are loops are formed, the integral of the Gaussian curvature remains the same. Having introduced curvature, we can use the Young-Laplace equation to find the capillary pressure: (2...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206307-MS
... performance carbonate reservoir capillary pressure core analysis ift oil recovery complex reservoir simulation Introduction The pore scale displacement of WAG at near-miscible condition differs significantly from that of immiscible WAG in mixed-wet systems. Sohrabi et al. (2005, 2008a, 2008b...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206357-MS
... micro-droplets within the oil and the expansion of thin water films between the oil and rock surface. Before waterflooding and during HSW, the measured contact angles were constant and above 110 o , while the mean curvature and the capillary pressure values remained negative, suggesting that the HSB did...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206379-MS
... simulation initial oil saturation flow in porous media modeling contact angle oil injection pore-network simulation injection secondary oil injection capillary pressure Introduction Reservoir wettability is a rock property of great significance to petroleum and environmental engineers...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201269-MS
... and diffusion of the CO 2 / n -decane mixtures in the nanopores. The Peng-Robinson (PR) equation of state is combined with Young-Laplace equation to calculate the phase-composition diagram at the presence of capillary pressure. The equilibrium molecular dynamics simulations (MDS) are also conducted to study...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201479-MS
... saturation shut-in period fracturing fluid fluid dynamics upstream oil & gas frictional pressure viscosity optimum shut-in time capillary pressure flowback propagation core sample interfacial tension permeability Introduction A common industry practice after hydraulically fracturing...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201548-MS
.... Spatially resolved NMR measurements provide the T2 distribution of each slice. For each slice, water saturation and the capillary pressure applied to it during centrifugation are also known. Let Pc 1 and Pc 2 be the capillary pressures applied to two adjacent slices and let γ be the water-air...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195931-MS
...-scale model was utilized to history-match laboratory results. The capillary pressure and relative permeability curves for the field-scale model were estimated from scaling group analysis and core-scale simulation. The simulation results indicate that SASI EOR has significant potential of enhancing oil...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-199774-STU
... and atmospheric pressure cases, while surprisingly, IFT-reduction could be detrimental for the recovery enhancement due to the low capillary pressure. The results gave indicative suggestions on the selection of surfactant and engineering application design for a surfactant based EOR project in shale oil...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-199763-STU
... variations of petrophysical characteristics of porosity, permeability, and capillary pressure that are quite dominant in the subsurface system. There may be instances where the rock properties will have lateral variations (random) whose effects on recovery performances cannot be defined, and also there might...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195890-MS
... f r ) ) − F i ] = 0 Capillary pressure We define the capillary pressures at the gas-oil ( go ) interface and water-oil ( wo ) interface as follows: (8) p c , g o = p g − p o (9) p c , w o = p o − p w By using...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195970-MS
... mechanisms in these processes (diffusion, dispersion, advection and capillary pressure) were examined within the context of the derived scaling groups using reservoir simulation of SBH at three different geometric scales, ranging from the laboratory scale through a semi-field scale to the field scale...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-196092-MS
... to the critical property shift which can be described by our upscaled PR-C EOS, capillary pressure is also taken into account into the compositional simulation. Results show that the capillary pressure has different effects on production in terms of the fluid type, leading to a lower producing Gas/Oil ratio (GOR...

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