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Keywords: pore throat
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Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205911-MS
... adaptability. From Fig. 11 , we can see that when core permeability becomes larger, the plugging effect gradually becomes weak; while with the increase of particle size and solution concentration, the plugging effect gets better instead. This shows that when pore throat size increases, few microgel...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-196066-MS
... encountered in all the wells, rock quality assessment (core and log methods with integration of capillary pressure curves), free water level (FWL) assessment, permeability modelling using machine learning approach (NN), pore throat radius estimation to relate hydrocarbon filling mechanism and saturation...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191596-MS
... droplets and grain surfaces is decreased, leading to increased droplet interception on grain surfaces. This results in more extensive droplet-pore throat blockage, redirecting the displacing fluid into less permeable zones. Increasing the magnitude of the droplet zeta potential of injected emulsions...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191658-MS
... the apex pore throat radius needs to be to allow for hydrocarbon accumulation, and hence the higher the R apex cutoff in μm. Therefore, when testing data is scarce, one can read the R apex cutoff value from the chart shown in Figure 5 given the formation oil viscosity in any oilfield. We can...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191878-MS
... , is replaced by a hypothetical homogeneous one (see Fig. 1b ). Then, the pore-throat conductance, g , in the homogeneous medium is replaced by its actual value in the original heterogeneous system. This replacement causes perturbations in the local flow around the replaced pore throat. Next, the effective...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–11, 2017
Paper Number: SPE-187157-MS
... ambient temperature short-term fine migration test efm test fine migration Core Test permeability reservoir characterization SEM micrograph Micrograph Injection Rate migration pore throat permeability loss return permeability Different authors studied the effects of conditions...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181653-MS
... (~20%) in the formation. The MICP and NMR data shows bimodal distribution of pore throat size and T 2 distribution, indicating presence of two types of pore system. We utilized principal component analysis and K means clustering technique to identify different clusters of similar petrophysical...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181629-MS
... to formulate an RRT definition for a carbonate reservoir by integrating data from MICP, CCA, petrophysical logs and lithofacies information. The workflow involves associating the pore throat size distribution evaluated using MICP data with the measured porosity and permeability values utilizing the Winland R35...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181641-MS
... de-ionized water injection pore throat injection differential pressure reservoir core sample permeability The petroleum industry encounters challenges related to clays instabilities every day in various applications such as drilling, acidizing, hydraulic fracturing, sand control...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 8–10, 2012
Paper Number: SPE-159817-MS
... ). For each interval the calculations of Cox et al. provide the volume of gas behind the lamella, the area of the lamella, and the mean curvature of the lamella. Briefly, in the first interval the lamella bulges forward in the pore throat. In the second it moves downstream until it reaches the beginning...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 30–November 2, 2011
Paper Number: SPE-146833-MS
... stability and making the particle positions and arrangement available for pore throat network analysis. The standard network modeling approach for analysis of packing of nearly equal grains (Delaunay tessellation) cannot be used since grains of two different length scales create a high portion of distorted...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 30–November 2, 2011
Paper Number: SPE-152359-STU
... (in %). The equation was originally defined from mercury porosimetry measurements on approximately 300 samples from the Spindle Field in Colorado. Winland correlated porosity and permeability to pore throat radii corresponding to different mercury saturations and found that the 35 th percentile gave the best...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 4–7, 2009
Paper Number: SPE-125169-MS
... Dynamics flow in porous media Modeling & Simulation Upstream Oil & Gas micropore relative permeability pore throat relative permeability curve permeability cementation mercury injection capillary pressure data capillary pressure permeability data exponent water saturation residual...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 4–7, 2009
Paper Number: SPE-124882-MS
... showed that the hydrates form at the pore walls if deposited from the flow of methane-saturated water alone. The saturation of hydrate deposited in different size pores was found to be uniform. A Gaussian distribution of particle size of the sediment results in a Rayleigh distribution of pore throat...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–24, 2008
Paper Number: SPE-120194-STU
... Fluid Dynamics flow rate experiment volumetric flow flow in porous media constriction correspond pore throat hypothesis Upstream Oil & Gas exponent rate constant computer cumulative distribution retention dependence Reservoir Characterization frequency particle particle...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, November 11–14, 2007
Paper Number: SPE-110050-MS
... earlier, the majority of permeability estimates obtained from capillary pressures curves are derived from two fundamental theories:12 1. Percolation/Characteristic Length Models: Percolation theory describes the spreading a fluid though a stati- stically random porous medium with a variable pore throat...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, November 11–14, 2007
Paper Number: SPE-110425-MS
... dense random packs of spheres as model porous media. A characteristic feature of dense packings is a pair of neighboring grains that do not quite touch. We refer to the void space between pairs of such spheres as gaps. Gaps are smaller than pore throats, which are the void space between three spheres...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–27, 2006
Paper Number: SPE-103228-MS
... sequestration. Thus tests are required for both the understanding of how brine and CO2 streams flow through porous media and how their mutual solubilities change their saturations with time. chemical flooding methods Brine sandstone fraction injection Upstream Oil & Gas micropore pore throat...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–27, 2006
Paper Number: SPE-102888-MS
... analysis vuggy porosity NMR electrical image carbonate reservoir pore throat radius fraction core slab case study carbonate reservoir pore throat borehole electrical image permeability Copyright 2006, Society of Petroleum Engineers This paper was prepared for presentation at the 2006 SPE...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–12, 2005
Paper Number: SPE-95887-MS
... equations. It requires discretization of the pore space into pores and pore throats, and transport is modeled by imposing conservation equations at the pore scale. Network modeling involves two levels of approximation. The first is the representation of the complex, continuous void space as discrete pores...

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