Volume 9, Issue 4 pp. 471-489
Review

A comprehensive review of alkaline–surfactant–polymer (ASP) flooding

James J. Sheng

Corresponding Author

James J. Sheng

Bob L. Herd Department of Petroleum Engineering, Texas Tech University, P.O. Box 43111, Lubbock, TX, 79409 USA

Correspondence to: James J. Sheng, Bob L. Herd Department of Petroleum Engineering, Texas Tech University, P.O. Box 43111, Lubbock, TX 79409, USA. E-mail: [email protected]Search for more papers by this author
First published: 30 May 2014
Citations: 229

ABSTRACT

Alkaline–surfactant–polymer (ASP) flooding is a combination process in which alkali, surfactant, and polymer are injected in the same slug. Because of the synergy of these three components, ASP is the current worldwide focus of research and field trial in chemical enhanced oil recovery (EOR).

This paper is to provide a comprehensive review of the ASP process. The reviewed topics include the following:

  • ASP synergy and its EOR mechanisms
  • Screening criteria
  • Laboratory work
  • Numerical simulation work
  • Summary of pilots and large-scale applications
  • Project economics
  • Chemicals used
  • Water quality
  • Mobility control requirement
  • Problems associated with ASP flooding and possible solutions

In addition to the comprehensive review, future developments are also discussed. Data and analyzed results presented in this review will provide the reader with the updated information about ASP and a guide to read relevant papers for those who are new to chemical EOR. The survey data also provide operators with some reference data for their project design and optimization. © 2014 Curtin University of Technology and John Wiley & Sons, Ltd.

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