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Keywords: sweep efficiency
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Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174594-MS
... Abstract In spite of CO 2 mobility reduction during CO 2 and surfactant solution co-injection, CO 2 -foam flooding in heavy oil reservoirs has relatively poor sweep efficiency due to the high viscosity the oil. Therefore, reducing the oil viscosity is necessary to improve CO 2 -foam sweep...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174656-MS
... Pilot Project, which used HPAM 3630s, with early results from a nano spherical polymer (nanosphere) pilot project in the adjacent and similar Scovil Pool in East-Central Alberta, Canada. enhanced recovery uplift injection well nanosphere north lobe waterflooding polymer sweep efficiency...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174693-MS
... Upstream Oil & Gas optimization problem platform Oil Saturation Distribution application WAG Oil Recovery Efficiency sweep efficiency infill well recovery recovery factor saturation reservoir EOR process oil saturation gas injection water injection saturation distribution injection...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174694-MS
... Intelligence low salinity deployment application reservoir viscosity sweep efficiency polymer portfolio simulator EOR includes any technique that alters the fluid flow properties and thus recovers hydrocarbons that are not produced during primary and secondary depletion. EOR techniques can...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174629-MS
... needed to increase oil sweep efficiency from the matrix. Foam/polymer enhanced foam (PEF) injection has gained interest in conventional heavy oil recovery in recent times. However, the oil recovery process by foam injection, especially by PEF, is less understood in fracture heavy oil carbonate reservoirs...
Proceedings Papers

Paper presented at the SPE Asia Pacific Enhanced Oil Recovery Conference, August 11–13, 2015
Paper Number: SPE-174567-MS
... Abstract Carbon dioxide miscible flooding is a proven EOR method. It faces two significant challenges: gravity override and early CO 2 break through. Many researchers have investigated different methods to control CO 2 mobility and improve its sweep efficiency. This paper, for the first time...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 2–4, 2013
Paper Number: SPE-165300-MS
... measurements to monitor the sweep efficiency. Glass bead and sand pack are used as porous media. The range selected for the glass bead is 90 – 150 μm. The advantage of using glass beads is enhancing visual observation and providing consistent permeability and porosity (represent homogeneous reservoir...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 2–4, 2013
Paper Number: SPE-165278-MS
... recovery process optimally. enhanced recovery Efficiency experiment Modeling & Simulation reservoir pressure EOR process displacement prediction reservoir oil saturation Oil Recovery co2 injection WAG permeability sweep efficiency gas injection reservoir Upstream Oil & Gas...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 2–4, 2013
Paper Number: SPE-165302-MS
... (i.e. Conformance, WOR vs DHPVI etc) Sweep efficiency and flood front monitoring A SIPOC analysis has been performed. SIPOC stands for Supplier-Input-Process-Output-Customer. It's a tool used to define a workflow in terms of input required, processes (including calculations and models...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-143506-MS
... the injected water’s viscosity thus decrease the mobility ratio of injected water and crude oil to expand the sweep efficiency; and surfactant is used to reduce the interfacial tension between injected water and crude oil thus increase capillary number of formation to increase displacement efficiency...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-143438-MS
... Abstract Water alternating gas injection (WAG) is normally employed to improve the volumetric sweep efficiency of miscible flooding processes. Literature search indicated a number of numerical studies investigated the effect of flooding rate, gravity forces, slug size, and heterogeneity on WAG...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-144012-MS
.... The obtained results indicate that Hot-water flooding with 120 °C will obtain a great recovery performance. The best converting moment of Hot-water flooding is when the heavy crude oil recovery was about 22%. In comparison with the Hot-water flooding, the capacity to enhance the sweep efficiency of WASP...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-144147-MS
... under the high effective micellar slug. Even though water flooding has the lowest oil recovery factor, its performance is quite good in terms of sweep efficiency. There is no significant difference of the saturation profiles between polymer flooding and water flooding. Figure 3 Cumulative Oil...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-144406-MS
... water injection profile, and thus to achieve the objective of increasing sweep efficiency to recover more oil, and decrease water breakthrough in high permeability zone, if connected to the producers. Firstly, the reservoir is analyzed to choose the best candidate of injection well. Then, the sector...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-144891-MS
... and Gas injection scheme (GASWAG) improved the sweep efficiency of the lower section on the inner part of oil rim with the downward movement of water and, increases the swept efficiency of the upper section on the outer part of oil rim with upward movement of injected gas. The investigated GASWAG schemes...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-144865-MS
... Abstract A new EOR scheme is proposed to improve sweep efficiency and oil recovery from heterogeneous mixed to oil-wet carbonate reservoirs. The reservoir under study is a highly heterogeneous and layered reservoir which can be described at a high level as consisting of two main bodies, i.e...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-144899-MS
..., quantitatively describe interwell connectivity and sweep efficiency, and provide sufficient data for reservoir evaluation. The tracer test was designed by numerical simulation. The test started in November 2009 and was terminated in February 2010. Analytical interpretation based on moment analysis and numerical...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-144961-MS
... . injector co 2 oil saturation fault block chemical flooding methods spe 144961 ooip water curtain injection enhanced recovery efficiency residual oil saturation aquifer denbury resources inc oil recovery reservoir upstream oil & gas reservoir pressure sweep efficiency injection rate...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-144788-MS
..., so viscosity of heavy oil is significantly reduced, mobility ratio is improved and volumetric sweep efficiency is significantly increased; (2) it can decrease oil-water interfacial tension, so capillary number can be increased, oil displacement efficiency is significantly increased; (3)it can...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-145027-MS
... of 500ppm to 1500ppm were tested. enhanced recovery viscosity polymer flooding polymer solution polymer injection voidage replacement incremental recovery upstream oil & gas reservoir pressure sweep efficiency reservoir society of petroleum engineers chemical flooding methods...

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