Improved Oil Recovery by Waterflooding - University of Wyoming

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Solutions/work in progress A. Work with reservoir crude oil/brine/rock Reservoir cores are generally more responsive than outcrop cores but : • coring are expensive • duplicate core plugs are not usually available because of heterogeneity • core quality, history, cleaning and re-use of cores are problematic. • quality of crude oil samples can be uncertain Papers on reservoir sandstone and carbonate results are in preparation, covering: • Step changes in salinity • Injection flow rate • Intermissions in flow • Effluent brine analysis • Etc. E N H A N C E D O I L R E C O V E R Y I N S T I T U T E
Solutions/work in progress B. Total has identified a responsive outcrop Three groups have reported response (U. of Wyoming, U. Bordeaux, and U. of Stavanger) • Cost, heterogeneity, and logistics of supply are still a problem E N H A N C E D O I L R E C O V E R Y I N S T I T U T E
Page 1 and 2: Improved Oil Recovery by Waterflood
Page 3 and 4: • Jill Buckley Adjunct Professors
Page 5 and 6: July 2010 onward Presentations •
Page 7 and 8: TOPICS • Screening outcrop cores
Page 9 and 10: Laboratory Measurement of Oil Recov
Page 11 and 12: Definitions (cont’d) • Low Sali
Page 13: Main Hindrances to Systematic Inves
Page 17 and 18: Screening of commercially available
Page 19 and 20: R wf (% OOIP) 100 80 60 40 20 Berea
Page 21 and 22: R wf (% OOIP) 100 80 60 40 20 Briar
Page 23 and 24: enefit compare to waterflood result
Page 25 and 26: Importance of Laboratory Coreflood
Page 27 and 28: Target Formations • Minnelusa (Gi
Page 29 and 30: 100 mm Minnelusa Rock from Oil Zone
Page 31 and 32: Phosphoria Rock from Cottonwood Cre
Page 33 and 34: 100 mm Tensleep Rock from Oil Zone
Page 35 and 36: Anhydrates dissolution in Tensleep
Page 37 and 38: Oil recovery, %OOIP 100 90 80 70 60
Page 39 and 40: R wf (% OOIP) 100 80 60 40 20 Silur
Page 41 and 42: 3. Sequential Waterflooding Morrow,
Page 43 and 44: Recovery of Crude Oil Medium Permea
Page 45 and 46: Recovery of Crude Oil Low Permeabil
Page 47 and 48: Recovery of Crude Oil High Permeabi
Page 49 and 50: Summary • Further investigation o
Page 51 and 52: Reservoir at residual oil saturatio
Page 53 and 54: Displacement Radial length of of in
Page 55 and 56: The well is put on production and t
Page 57 and 58: 100 bbl oil 100 bbl oil Single Well
Page 59 and 60: Field Test ? 2011 ? Discussion of p
Page 61 and 62: Ongoing Topics and Future Work 1. L
Page 63 and 64: Improved Oil Recovery by Waterflood
Page 65 and 66:
E N H A N C E D O I L R E C O V E R
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Improved Oil Recovery by Waterflooding - University of Wyoming

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