Improved Oil Recovery by Waterflooding - University of Wyoming

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Silurian Dolomite Outcrop Mineralogy: interstitial dolomite and no anhydrates Porosity: 17 – 20% Permeability: 100 mD – 1,000 md 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
R wf (% OOIP) 100 80 60 40 20 Silurian Dolomite (WP Crude Oil) T a = 60 o C ; T d = 60 o C k g = 102 mD ; k b = 19 mD S wi = 24% Seawater P (psi) 20x Dilution of Seawater 0 0 5 10 15 20 25 30 35 0 Injected Brine, PV Low Salinity Waterflooding for Silurian Dolomite Outcrop pH 35 30 25 20 15 10 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 5 pH and P (psi)
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 and 14: Main Hindrances to Systematic Inves
Page 15 and 16: Solutions/work in progress B. Total
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: Oil recovery, %OOIP 100 90 80 70 60
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

Improved Oil Recovery by Waterflooding - University of Wyoming

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