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Keywords: matrix
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Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200346-MS
... To get the matrix pressure, we sum up the water and oil phase transfer functions Abstract Classical waterflooding methods which rely on water displacing oil are not plausible in unconventional shale reservoirs because of the low permeability of such reservoirs because the pressure gradients...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200319-MS
... Abstract Matrix acidizing is a widely-used stimulation treatment performed below the fracture pressure of the formation. The purpose of acidizing is to improve or restore the formation permeability through rock dissolution. Natural fractures exist in approximately 50% of carbonate reservoirs...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200379-MS
... foram simulation organic matter core-scale model core model lef core plug-a matrix mineral The Eagle Ford (EF) formation is divided into two main units, the Upper EF and the lower EF. The Lower Eagle Ford (LEF) shale is characterized as a dark-gray mudstone interval of the Eagle Ford...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200431-MS
.... The experimental results were analyzed by the material balance for components: oil, brine, and surfactant. The analysis resulted in a quantitative evaluation of the imbibed fraction of the injected components (brine and surfactant). Results show that the surfactant enhanced the brine imbibition into the matrix...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200457-MS
... recovery hydraulic fracturing directional drilling pore hydraulic fracture heated surface specific gravity gas thermally rupture temperature matrix equation upstream oil & gas steam injection microfracture specific gas gravity heat transfer equation hydrocarbon graphical solution...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 14–18, 2018
Paper Number: SPE-190259-MS
... homogenous and fractured core systems with initial two-phase saturation. The representative fractured system included a well-defined fracture by splitting core sample lengthwise and controllable initial oil/brine saturation in the matrix by closing the fracture with a rubber sheet at high confining pressure...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 14–18, 2018
Paper Number: SPE-190305-MS
... recoveries. We calculate ultimate recoveries for both primary production and for the HSP process, and show that methane injection is preferred over carbon dioxide injection. We also show that the proxy model, to be accurate, must match the total matrix contact area and the ratio of effective to total contact...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 14–18, 2018
Paper Number: SPE-190256-MS
... enhanced recovery flow in porous media seright model production outlet core 8rc gel injection displacement front leakoff rate Upstream Oil & Gas Imaging experiment saturation Fluid Dynamics fracture rock matrix core material gel dehydration chalk matrix core half...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 14–18, 2018
Paper Number: SPE-190188-MS
... treatment. The pore connectivity loss can occur because of the physical closure of flow path at the fracture-matrix interface and/or two-phase blockage. The limiting two phase phenomena can potentially prevent the injected gas from getting into pore space because of capillary forces. Our results suggest...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 11–13, 2016
Paper Number: SPE-179658-MS
... improve the sweep efficiency by diverting the solvent toward untouched part of the porous media. In addition, foam bubbles partially blocked the opening area in matrix/swept-area increasing the contact of solvent and heavy oil, providing better mixing. Therefore, oil is swept much faster and more...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 11–13, 2016
Paper Number: SPE-179554-MS
... Abstract Nuclear magnetic resonance (NMR) was used to investigate the exposure between CO 2 and matrix with permeability of 0.218 mD at 40 °C and 12 MPa. Before NMR experiment, the core was saturated with oil. To investigate the effects of exposure time on EOR, the saturated core was exposed...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 11–13, 2016
Paper Number: SPE-179585-MS
... Sandstones blocks that simulate the matrix rock in the experiments and these blocks are separated by small gaps using metal spacers. These gaps act as the fractures in the experimental model. The experimental conditions are close to the reservoir and the used configuration simulates the interaction between...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 11–13, 2016
Paper Number: SPE-179634-MS
...) will ensue. Experimental results have shown promising oil recovery potential using CO 2 . This study investigates oil production mechanisms from the matrix into the fracture by simulating two laboratory experiments as well as several field-scale studies, and evaluates the potential of using CO 2 huff-n-puff...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 11–13, 2016
Paper Number: SPE-179627-MS
... Abstract The goal of this research is to improve oil recovery by reducing bypassing due to fractures, common in carbonate reservoirs. Salinity sensitive polymeric particles (SSPP) are synthesized in this study, which can plug fractures in reservoir rocks and divert fluid flow into the matrix...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Symposium, April 12–16, 2014
Paper Number: SPE-169028-MS
... & Simulation waterflood mechanism Waterflood Process Upstream Oil & Gas waterflooding waterflood recovery factor LPA carbonate reservoir producer injector porosity LKA injection permeability imbibition process fracture network McElroy field matrix fractured reservoir mechanism...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Symposium, April 12–16, 2014
Paper Number: SPE-169072-MS
... Conformance Problem Matrix that aids in determining whether a conformance issue is wellbore or reservoir dominated and cross-references it with flow through highly conductive features versus permeable rock. The problems that exist in the four different quadrants of the matrix all require different solutions...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Symposium, April 12–16, 2014
Paper Number: SPE-169152-MS
... The remainder of this manuscript is organized as follows: The governing equations for transport of fluid in a dual-porosity reservoir are first presented. Intra-phase and cross-phase diffusion are then discussed based on generalized Fick's law and film theory. A generalized matrix-fracture...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Symposium, April 12–16, 2014
Paper Number: SPE-169031-MS
... curve exponent, S r the reduced saturation expressed as The static model features layer-cake matrix properties in a flat topography spanning 2 km by 2 km laterally and 85 m of column. Four carbonate formations are represented in this model: ✓ The top formation (A) featuring high...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Symposium, April 12–16, 2014
Paper Number: SPE-169114-MS
... of component і is (only considered in matrix): Although what we are most concerned with in shale gas reservoir simulations is to model gas flow from reservoir to well, liquid phase flow is often occurring simultaneously with gas flow because the existence of hydraulic fracturing fluids around well...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Symposium, April 12–16, 2014
Paper Number: SPE-169034-MS
... alkaline solution NaOH marcellus sample pH solution texas tech university Upstream Oil & Gas low ph solution imbibition matrix high ph solution spontaneous imbibition In shale reservoirs, oil is stored in a very tight matrix, with virtually all permeability concentrated in a large...

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