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Keywords: polymer flooding
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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–5, 2022
Paper Number: SPE-210240-MS
... by adjusting the polymer concentration to the AP slug containing softened water. experiment injection upstream oil & gas chemical flooding methods polymer concentration waterflooding concentration brine slug paper summary efficiency enhanced recovery viscosity polymer flooding sandpack...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–5, 2022
Paper Number: SPE-210291-MS
... and then, it was reduced to 30% when polymer flooding was extended for 5 injected PVs. The RRF values were moderately low in both core samples (fractured and unfractured); however, a slight increase in RRF appeared in the fractured core sample due to polymer retention in matrix region. This investigation is one...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–5, 2022
Paper Number: SPE-210000-MS
... Table 1 Reservoir properties for ANS J-Pad polymer flood pilot Parameter Value API ° 15.4 Oil viscosity (cp) 332 Horizontal permeability (md) 500 – 5000 Porosity (%) 32 Reservoir depth (ft) 3600 Reservoir thickness (ft) 15 Initial reservoir pressure (psi...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–5, 2022
Paper Number: SPE-209964-MS
... Abstract Application of polymer flooding in carbonate reservoirs still faces significant challenges, including polymer degradation, injectivity, and retention. With the increased awareness of the importance of water chemistry, this paper investigates the effect of make-up water composition...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–5, 2022
Paper Number: SPE-210009-MS
... achieved success with waterflooding but currently, a continuous decline is observed. Polymer flooding is proposed as a solution in these cases. The pre-salt fields are still ramping up production at very high rates. Hence, as an alternative, in those reservoirs, CO 2 -WAG might be applied in the near...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206220-MS
... recovered as an oil bank. This paper is concerned with a simpler, lower-cost CEOR, in which a sole additive of surface active solvent (SAS) makes low-tension displacement fronts in polymer flooding (e.g., 10 −2 mN/m) without involving ultra-low IFT microemulsion phase behavior. The envisioned application...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206010-MS
... and Bai, 2010 ). It is implemented by injecting chemicals, solvents, or high-temperature steam into the reservoir ( Lake, 1989 ). Polymer flooding is a mature chemical EOR technique that has been extensively used to reduce the mobility of the injectant fluid. Conventionally, polymer flooding...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206247-MS
... Abstract The first-ever polymer flood pilot to enhance heavy oil recovery on Alaska North Slope (ANS) is ongoing. After more than 2.5 years of polymer injection, significant benefit has been observed from the decrease in water cut from 65% to less than 15% in the project producers. The primary...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201256-MS
... particle reservoir chemical flooding methods waterflooding sandpack polymer flooding flooding experiment water flooding Introduction Even though the energy transition to lower-carbon intensity will change the oil and gas industry in next few decades, the global energy demand is expected...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-204270-STU
.../Ac rylic acid ATBS/Acryli c acid Anniocity Medium to High Medium Medium Low Molecular Weight Low Medium Medium Low Conclusions Investigation of rheological properties of the polymer is a fundamental step for the successful implementation of polymer flooding on a field...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-199771-STU
..., this injection scheme should be developed in an integrated experimental and simulation study to: (1) assess realistic mechanisms and measurements for a given polymer-rock system; (2) identify and quantify the possible benefits during a polymer flooding field project. The global objective of this work...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191391-MS
... novel liquid polymer pressure drop Oil Recovery Symposium chemical flooding methods polymer static mixer hydration Upstream Oil & Gas viscosity polymer flooding liquid polymer enhanced recovery filtration ratio laboratory application configuration friction factor single...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191474-MS
... Waterflooding (LSW) provides better oil recovery than High Salinity Waterflooding (HSW). Past studies also showed that there are significant advantages in combining LSW with other conventional EOR methods such as chemical flooding (polymer flooding and surfactant flooding) or miscible gas flooding to benefit...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191498-MS
... Abstract Experimental data in numerous publications show that viscoelastic polymers can significantly reduce residual oil saturation under favorable conditions. The effect of viscoelasticity is in addition to improved sweep efficiency of polymer flooding. The residual oil saturation decreases...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–11, 2017
Paper Number: SPE-187195-MS
... such as polymer flooding) should be evaluated and taken into account in the analysis, since there are differences in the cash flow of the project options and these additional investments are important to the final decision. The objective of this paper is to compare the use of production and economic indicators...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–11, 2017
Paper Number: SPE-187303-MS
... Abstract Reservoirs facing challenges such as high oil viscosity and high heterogeneity benefit from polymer flooding by decreasing unfavorable mobility ratios or improving crossflow. Despite this diversity of needs, polymer floods are often designed around a single point viscosity value, which...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181640-MS
... chemical additives can still be successful for producing heavy oil in non-linear core systems with no capillary trapping. enhanced recovery polymer Upstream Oil & Gas chemical flooding methods breakthrough waterflooding mechanism Material Balance injection polymer flooding Injection...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-184746-STU
...-Nano flooding after polymer flooding can increase R.F with more than 2% of OOIP. Polymer-Nano flooding on a sample saturated with oil gave a R.F 66.29 %of OOIP slightly below the value of R.F (67.16 %of OOIP) of polymer flooding but with more than 40% cost reduction. Polymer-Nano flooding can alter...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181473-MS
... , and Kamal 2009 ). In this paper we share new development that extends transient testing and analysis technology to IOR and EOR operations during polymer flooding. With the expanded use of Permanent Downhole Pressure Gauges (PDHG), the new developed technique can be used without additional operational cost...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181296-MS
...Experimental Material and Setup Experimental Materials Abstract A green field development might face many challenges such as water source shortage, wastewater accumulation, discharging pollution, and purifying effect. The polymer flooding produced water (PFPW) with complex characteristics...

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