Title: Characteristics of Field by Gas Injection Miscible Flooding in Pubei Oilfield,Tur pan-Ha mi Basin.
Abstract: Pubei oilfield is the first oilfield recovered by gas injection miscible process in China.The project of gas injection miscible flooding is one of the critical tasks proposed inthe Ninth Five-Year Planof the state.Since putting into production by gas injection process in1998,stable production has been maintained at present in the whole oilfield with recovery rate of5.6%,current recovery percent of15.74%and composite water cut of zero,achieving re-mark able results for development.This paper studied the variation of fluid property since gas-injection production and numerical simulation results,showing that current gas-injection blocks in this oilfield have reached requirements of the mis cible phase project design.It will provide significant guide for oilfields,especially for those having high gas-oil ratio in western China developed by abundant associated gas or gas-injection miscible phase process.
Publication Year: 2001
Publication Date: 2001-01-01
Language: en
Type: article
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