2003•Unpublished venueRequires access

A FEASIBILITY STUDY OF GAS INJECTION FOR OIL RESERVOIRS AFTER WATERFLOODING

Ping Guo

Abstract

Water injection is a commonly used method for the development of oil field. However, oil recovery by waterflooding is usually low. As such, how to enhance oil recovery after waterflooding has been a challenge facing petroleum engineers. Gas injection flooding has long been considered as a viable EOR method in the petroleum industry, but the potential of gas injection after waterflooding is still unclear. In this paper, the schemes of gas injection after waterflooding in China and abroad are analyzed, and some of the Chinese case studies are reviewed.

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Key concepts: Petroleum engineering, Water injection (oil production), Oil field, Petroleum, Enhanced oil recovery, Water flooding, Environmental science, Fossil fuel