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A field experiment of improved steamdrive with in-situ foaming

Journal Article · · SPE (Society of Petroleum Engineers) Production Engineering; (USA)
DOI:https://doi.org/10.2118/12784-PA· OSTI ID:5747882
;  [1];  [2];  [3]
  1. Stanford Univ., CA (USA)
  2. Arco Alaska (US)
  3. SOHIO Petroleum Co. Cleveland, OH (USA)
This paper reports on the design and execution of a field experiment on recovery of heavy oils by steamdrive enhanced by additives. The goal of this project was to study the effect of injection of a commercial surfactant (Suntech IV/sup TM/) and N/sub 2/ on the behavior of a conventional steamdrive. Because the laboratory studies leading to the design and implementation of this field experiment have been referenced many times, we emphasize here the field data obtained in reservoir definition, monitoring of the experiment's progress, and production evaluation in a heavy-oil reservoir. Several standard and experimental analytical methods were applied, and their validity in the Kern River field test is discussed. Three slugs of surfactant and N/sub 2/ were injected at different rates. Analysis of the results shows a considerable improvement in oil recovery by steamdrive caused by the addition of surfactant and N/sub 2/ to the steam. The changes in production behavior of the reservoir caused by the additives are analyzed and discussed. Although the economics of this project is difficult to determine at this point, it looks promising.
OSTI ID:
5747882
Journal Information:
SPE (Society of Petroleum Engineers) Production Engineering; (USA), Journal Name: SPE (Society of Petroleum Engineers) Production Engineering; (USA) Vol. 4:3; ISSN SPENE; ISSN 0885-9221
Country of Publication:
United States
Language:
English