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Improve water flooding efficiency of high pour-point oil reservoir by separate injection at multi stages

Zhu Bao

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Abstract

In order to improve water injection profile, many packers and water allocators have been applied in water injection well to inject quantitatively into different reservoir intervals. Application of this method in block Shen84 An12 showed that new water entries had started, water entering into high permeable layers had been controlled, and water flooding efficiency had improved. For heterogeneous, water injection sandstone reservoirs, separate injection at multi stages is one of the important methods of improving water injection profile and water flooding efficiency.

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What this paper is about

In order to improve water injection profile, many packers and water allocators have been applied in water injection well to inject quantitatively into different reservoir intervals. Application of this method in block Shen84 An12 showed that new water entries had started, water entering into high permeable layers had been controlled, and water flooding efficiency had improved. For heterogeneous, water injection sandstone reservoirs, separate injection at multi stages is one of the important methods of improving water injection profile and water flooding efficiency.

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Available abstract

In order to improve water injection profile, many packers and water allocators have been applied in water injection well to inject quantitatively into different reservoir intervals. Application of this method in block Shen84 An12 showed that new water entries had started, water entering into high permeable layers had been controlled, and water flooding efficiency had improved. For heterogeneous, water injection sandstone reservoirs, separate injection at multi stages is one of the important methods of improving water injection profile and water flooding efficiency.

Key concepts: Water flooding, Water injection (oil production), Petroleum engineering, Water cut, Environmental science, Flooding (psychology), Enhanced oil recovery, Geology

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