A Simulation Study of Enhanced Recovery of Schrader Bluff Heavy Oil by Immiscible and Miscible Gas Injection

R. R. Madarapu*, Baker Hughes Inteq, S. Khataniar, S. L. Patil, A. Y. Dandekar

*Corresponding author for this work

Research output: Contribution to conferencePaperpeer-review

4 Scopus citations

Abstract

The Schrader Bluff Pool is a shallow, heavy oil reservoir in the Alaskan North Slope. Due to the absence of a significant primary drive, enhanced oil recovery methods must be considered for recovering heavy oil from the Schrader Bluff Pool. The objective of this study was to use reservoir simulation to evaluate immiscible and miscible solvent injection processes for improving oil recovery from Schrader Bluff. Typical reservoir heterogeneity encountered in the Schrader Bluff sands was incorporated into the simulation model. Performance of solvents readily available in the area was studied for different modes of injection such as continuous injection, slug and WAG injection. It was concluded that immiscible, lean gas type injectants would be ineffective for oil recovery from the Schrader Bluff Pool. The miscible WAG injection processes appeared to be promising.

Original languageEnglish
Pages581-584
Number of pages4
StatePublished - 2002
Externally publishedYes

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology
  • General Engineering

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