Toe-to-Heel Air Injection New Method of EOR

doi:10.3863/j.issn.1000-2634.2008.01.021

西南石油大学学报(自然科学版) ›› 2008, Vol. 30 ›› Issue (1): 78-80.DOI: 10.3863/j.issn.1000-2634.2008.01.021

• 石油与天然气工程 • Previous Articles Next Articles

Toe-to-Heel Air Injection New Method of EOR

LI Wei-chao ¹ WU Xiao-dong ¹ LIU Ping ²

1.MOE Key Laboratory of Petroleum Engineering in China University of Petroleum,Changping Beijing 102249,China;2.Petroleum Engineering College,China University of Petroleum,Dongying Shandong 257061,China

Received:2007-03-19 Revised:1900-01-01 Online:2008-02-20 Published:2008-02-20
Contact: LI Wei-chao

Abstract

Abstract: Toe-To-Heel Air Injection (THAI) on the horizontal section of horizontal well is a effective technology to exploit heavy oil and enhance oil recovery.On the basis of existing research and successful application of this technology,the mechanism of THAI is studied;then,the differences between THAI and other technologies used in heavy oil exploitation are compared.Through the comparison,the advantages and the application ranges of THAI are presented.Comparing with traditional ISO technique which requires long distance displacing between vertical injector and producer,the displacing distance of THAI is very short with higher recovery.In addition,several factors influencing the application of THAI are analyzed,such as ignition temperature,gas injection intensity,injection pressure,well pattern and so on.

Key words: heavy oil, horizontal well, air injection, EOR

CLC Number:

TE327

LI Wei-chao WU Xiao-dong LIU Ping . Toe-to-Heel Air Injection New Method of EOR[J]. 西南石油大学学报(自然科学版), 2008, 30(1): 78-80.

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http://journal15.magtechjournal.com/Jwk_xnzk/EN/Y2008/V30/I1/78

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Toe-to-Heel Air Injection New Method of EOR

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