A FEASIBILITY STUDY OF GAS INJECTION FOR OIL RESERVOIRS AFTER WATERFLOODING

doi:10.3863/j.issn.1000-2634.2003.04.11

西南石油大学学报(自然科学版) ›› 2003, Vol. 25 ›› Issue (4): 37-40.DOI: 10.3863/j.issn.1000-2634.2003.04.11

• 石油工程 • Previous Articles Next Articles

A FEASIBILITY STUDY OF GAS INJECTION FOR OIL RESERVOIRS AFTER WATERFLOODING

GUO Ping¹ LUO Yu-qiong²HE Jian-hua³ WANG Zhong-lin⁴ LI Min¹ LIU Jian-yi¹

( Southwest Petroleum Institute, Nanchong Sichuan 637001,China)

Received:2002-06-28 Revised:1900-01-01 Online:2003-08-20 Published:2003-08-20

Abstract

Abstract:

Water injection is a commonly used method for the development of oil field. However, oil recovery by water-flooding is usually low. As such, how to enhance oil recovery after water-flooding 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 water-flooding is still unclear. In this paper, the schemes of gas injection after water-flooding in China and abroad are analyzed, and some of the Chinese case studies are reviewed.

Key words: water-flooded reservoir, gas injection, feasibility

CLC Number:

TE357.7

GUO Ping LUO Yu-qiong HE Jian-hua WANG Zhong-lin LI Min LIU Jian-yi. A FEASIBILITY STUDY OF GAS INJECTION FOR OIL RESERVOIRS AFTER WATERFLOODING[J]. 西南石油大学学报(自然科学版), 2003, 25(4): 37-40.

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A FEASIBILITY STUDY OF GAS INJECTION FOR OIL RESERVOIRS AFTER WATERFLOODING

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