An Experimental Investigation of Polymer Gels Injection in Carbonate Reservoirs to Study Disproportionate Permeability Reduction (DPR)

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Zamani Faramarz; RASHIDI FARIBORZ

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Journal: PETROLEUM RESEARCH Year:2019 | Volume:29 | Issue:106 Page(s): 33-42

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Information Journal Paper

Title

An Experimental Investigation of Polymer Gels Injection in Carbonate Reservoirs to Study Disproportionate Permeability Reduction (DPR)

Author(s)

Zamani Faramarz | RASHIDI FARIBORZ | Issue Writer Certificate

Keywords

Chemical Water ShutoffQ1

Polymer GelsQ1

Relative Permeability Modification (RPM)Q1

Disproportionate Permeability Reduction (DPR)Q1

Residual Resistance Factor (RFF)Q1

Factor NetworkQ1

Gellant SolutionQ1

Abstract

Excess water production is a serious problem in oil industry. Chemical controlling methods such as injection of certain polymers are cheap and easy to handle. These polymers in the reservoir forms a gellant network which causes disproportionate permeability reduction (DPR). In fact, this method reduces both oil and water permeability; but reduction in water production would be much more than that for oil. Therefore, little water will be produced. Four experiments using core sample from a carbonate reservoir were carried out by employing distilled water as reference case and water with addition of different salts to represent formation water. The water permeability drastically reduced with addition of polymer in the reference case. However, addition of various ions to water especially ions with double positive charge decreased water and oil perm abilities in a rather similar way. Therefore, it is concluded that prior to applying polymer injection technologies into a reservoir, the formation water should be analyzed for double positive charges.

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APA: Copy

Zamani, Faramarz, & RASHIDI, FARIBORZ. (2019). An Experimental Investigation of Polymer Gels Injection in Carbonate Reservoirs to Study Disproportionate Permeability Reduction (DPR). PETROLEUM RESEARCH, 29(106 ), 33-42. SID. https://sid.ir/paper/114610/en

Vancouver: Copy

Zamani Faramarz, RASHIDI FARIBORZ. An Experimental Investigation of Polymer Gels Injection in Carbonate Reservoirs to Study Disproportionate Permeability Reduction (DPR). PETROLEUM RESEARCH[Internet]. 2019;29(106 ):33-42. Available from: https://sid.ir/paper/114610/en

IEEE: Copy

Faramarz Zamani, and FARIBORZ RASHIDI, “An Experimental Investigation of Polymer Gels Injection in Carbonate Reservoirs to Study Disproportionate Permeability Reduction (DPR),” PETROLEUM RESEARCH, vol. 29, no. 106 , pp. 33–42, 2019, [Online]. Available: https://sid.ir/paper/114610/en

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