Data from an oil well flow-after-flow test are given in the following table: Petroleum Engineering 3310 Reservoir Engineering Reservoir data is given in the attached Excel file. Relative permeability...

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Data from an oil well flow-after-flow test are given in the following table: Petroleum Engineering 3310 Reservoir Engineering Reservoir data is given in the attached Excel file. Relative permeability is shown in the following figure. Ignore capillary pressure and assume ideal horizontal reservoir (no dip angle). 1. Plot the fractional flow curves of a function of saturations 2. Identify the water saturation (SW@BT), fw and dfw/dSw at leading edge of water front. Assuming the total sweep efficiency (Ev*ED) is 50%. What’s the recovery factor at breakthrough point (waterfront reaches the producer)? Hint: you do not need to know the reservoir length since the breakthrough timepoint is not required. 3. If the abandonment watercut (WCT) is 99% (surface) and the total sweep efficiency (Ev*ED) is 50%, what is the recovery factor? Note, when we generate dfw/dSw plot, we only use the data with 24%<><70%, which will present a straight line in the semi-log plot to get a and b in the eq. 14-36. every step must be tracked in excel. i expect everyone submit me an excel file. hint: for q1, i expect a plot like the following. once the water breakthrough happens, the leading edge hits the production well. sw2 in the plot represents the abandonment condition, sw_abn. which="" will="" present="" a="" straight="" line="" in="" the="" semi-log="" plot="" to="" get="" a="" and="" b="" in="" the="" eq.="" 14-36.="" every="" step="" must="" be="" tracked="" in="" excel.="" i="" expect="" everyone="" submit="" me="" an="" excel="" file.="" hint:="" for="" q1,="" i="" expect="" a="" plot="" like="" the="" following.="" once="" the="" water="" breakthrough="" happens,="" the="" leading="" edge="" hits="" the="" production="" well.="" sw2="" in="" the="" plot="" represents="" the="" abandonment="" condition,="">
Oct 10, 2021
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