Evaluation of residual oil saturation after waterflood in a carbonate reservoir
Journal Article
·
· SPE Reservoir Engineering (Society of Petroleum Engineers); (United States)
- Qatar General Petroleum Corp., Doha (Qatar)
- Total-CFP, Saint-Remy-les-Chevreuse (France). Petrophysics Dept.
Four different approaches, including special core analysis (SCAL), log-inject-log, thermal-decay-time (TDT) logs, and material balance, were used to narrow the range of residual oil saturation (ROS) after waterflood, S[sub orw], in a carbonate reservoir in Qatar to between 23% and 27%. An equation was developed that relates S[sub orw] with connate-water saturation, S[sub wi], and porosity. This paper presents the results of S[sub orw] determinations with four different techniques: core waterflood followed by centrifuging, log-inject-log, TDT logging, and material balance.
- OSTI ID:
- 6703435
- Journal Information:
- SPE Reservoir Engineering (Society of Petroleum Engineers); (United States), Vol. 9:4; ISSN 0885-9248
- Country of Publication:
- United States
- Language:
- English
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