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Analysis on Chemical Deplugging Effect of Chang 2 Reservoir in Dongrengou Oilfield

Liu Li-pen

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Abstract

With the development of Dongrengou oilfield, a large number of oil wells formed the blockage and pollution of the wellbore and reservoir in the process of development because of various reasons, which resulted that the wells could not produce the liquid. In this paper, according to the reservoir conditions of Dongrengou oilfield and oil well plugging reasons, chemical deplugging conditions of Chang 2 reservoir were analyzed; practical application effect of various plug removal techniques was compared.

About this research paper

What this paper is about

With the development of Dongrengou oilfield, a large number of oil wells formed the blockage and pollution of the wellbore and reservoir in the process of development because of various reasons, which resulted that the wells could not produce the liquid. In this paper, according to the reservoir conditions of Dongrengou oilfield and oil well plugging reasons, chemical deplugging conditions of Chang 2 reservoir were analyzed; practical application effect of various plug removal techniques was compared.

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Available abstract

With the development of Dongrengou oilfield, a large number of oil wells formed the blockage and pollution of the wellbore and reservoir in the process of development because of various reasons, which resulted that the wells could not produce the liquid. In this paper, according to the reservoir conditions of Dongrengou oilfield and oil well plugging reasons, chemical deplugging conditions of Chang 2 reservoir were analyzed; practical application effect of various plug removal techniques was compared.

Key concepts: Petroleum engineering, Wellbore, Petroleum reservoir, Geology, Spark plug, Environmental science, Engineering, Aerospace engineering

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