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Keywords: displacement
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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201429-MS
... research is to model viscous fingering during drainage displacements, i.e., a non-wetting phase displacing a viscous wetting phase. We modified a previously proposed effective-fingering model for imbibition processes. Laboratory unstable coreflood experiments were history matched. Power-law correlations...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201264-MS
.... The primary purpose later became maintaining cement placement at the conclusion of primary cementing. Cement is typically denser than mud and/or displacement fluid and thus will create a hydrostatic differential pressure acting on the float valve, which keeps the cement in the annulus, rather than u...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201310-MS
... For the cases here M<1 is said to be a favorable mobility ratio because this suppresses fingering according to the original ST criterion. CO 2 displacing water will have a mobility ratio around 10. Behavior of perturbation . From the definition of the perturbation given in Figure 1...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201314-MS
...-dimensional connectivity of the fluid phases during multi-stage injection. We then explain the observed pore-scale connectivity and displacement in terms of pore size and wettability of the system. We present a comparison of the FM-based average connection distances obtained after the different fluid...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-199772-STU
... microns. We successfully studied the wettability state after connate water displacement and we also altered wettability of the carbonate porous medium from more oil wet to less water wet conditions. The water contact angle of the ganglia showed a 70% reduction in contact angle from an oil-wet to a water...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195876-MS
... complexity of the mud removal tasks. Furthermore, costly non-aqueous mud is being recycled and reused on multiple wells because of continuous management pressure to bring down the well construction expenditures. This field practice is making the mud removal and displacement even more difficult due to the...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195807-MS
... displacement Earthquake Upstream Oil & Gas pore pressure change boundary element method rock property seismicity Reservoir Characterization fluid injection numerical model fault slippage seismicity event FEM model stress change injection artificial intelligence vector...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195937-MS
... In wells drilled with an OBM and gravel packed with a water-based fluid, the wellbore is displaced to water-based fluids either before or after running screens to target depth. Advantages and disadvantages of various approaches used in the industry are summarized by Beldongar et al. 2018 . In the...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195981-MS
... reservoir engineering, depletion mechanisms and other issues related to fluid displacement in porous media. The Metrix associated with the student outcome and assessment methods developed for ABET evaluation showed that a well-conceived visualization lab can be extremely effective in petroleum...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-196023-MS
... 1996 ). Following are the assumptions of this study: Apart from the capillary number and Reynold's number, pressure (stress) gradient is an important factor to consider in this study as the production port is connected to the atmosphere for the sample collection. In the displacement competition...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191496-MS
.... enhanced recovery displacement chemical flooding methods methane PVT measurement oil sample minimum miscibility pressure composition Upstream Oil & Gas Simulation experiment crude oil reservoir co2 injection fraction society of petroleum engineers live oil system intermediate component...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191513-MS
... Installation and Operations displacement Positioning System experimental data probability distribution autonomous robot voltage probability equation production enhancement pipe evaluation conceptual robot consumption Presentation of SPE-191513-MS Presentation of SPE-191513-MS...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191490-MS
... inhibition paraffin remediation scale remediation Production Chemistry flow assurance oilfield chemistry Reservoir Characterization wax inhibition Upstream Oil & Gas deposition maturity evaluation equilibration asphaltene inhibition lateral displacement asphaltene gradient biodegradation...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191645-MS
... where c m is added mass coefficient, ρ is density of the fluid, and ν is volume of the fluid displaced. Because the fluid is in a viscous medium, there can be a time lag between pipe velocity and fluid movement along the string; in other words, there can be a phase shift introduced between the...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191670-MS
... displacement discontinuity geomechanics model that uses rate and state friction to model stable or unstable rupture events. The model incorporates reservoir properties including vertical and horizontal extent; stratification including top-seal, reservoir, and basement; multiple permeability and porosity...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191701-MS
... nitrogen displacement, optimized slurry volume, and variable choke to regulate pressure on the backside to isolate the wellbore. Displacing with nitrogen proved to be challenging, and the many lessons learned will be documented in this paper. All 12 of the producing wells, along with 5 disposal wells in...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-194045-STU
... injection of brine with a lower ionic strength than the connate brine in oil-wet systems. However, the combination of low salinity with surfactant flooding has been reported to give a vastly higher oil recovery. Despite overlooked laboratory investigations in this area, the underlying displacement...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191408-MS
... & Gas drilling operation Directional Drilling Efficiency Well position best practice cognitive function workflow instruction displacement Exhibition good decision Artificial Intelligence directional driller information loat Implementation automation automation system interaction...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–11, 2017
Paper Number: SPE-187186-MS
... porosity and permeability related to deformation. The simulator in this paper adopts a staggered grid finite difference method for fluid flow and displacements. Displacements and pore pressures are placed at centers of faces and grid blocks, which increases numerical accuracy. Four types of nonlinear...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–11, 2017
Paper Number: SPE-187200-MS
... were not capable of displacing surface bound water or head pressure was insufficient to drive the desaturation to completion. The same products were further tested in new procedure using higher drive pressures in order to answer this question. Rigorous methods to test flowback aids...

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