The surface tension of mercury is480mN/m, the contact angle of mercury atrock surface is 160°. At reservoircondition, the oil-water interfacial tensionis 30mN/m, the contact angle of oil-water-rock system is 139°, the density differencebetween water and oil is 0.4g/cm'.Themedian pressure on the mercury/aircapillary pressure curve is 9.84 atm thethreshold pressure for mercury is 2.1l1atm.Calculate:1) The pressure differencebetween water phase and oil phase atreservoir conditions at the levelwhere water saturation Sw-50%.2) The minimum pressurerequired for water displacing oilat reservoir condition?

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Description: The surface tension of mercury is480mN/m, the contact angle of mercury atrock surface is 160°. At reservoircondition, the oil-water interfacial tensionis 30mN/m, the contact angle of oil-water-rock system is 139°, the density differencebetween water

Given data: The surface tension of mercury is σHg = 480 mN/mThe contact angle of mercury at the rock…

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Mechanical Engineering

The surface tension of mercury is 480mN/m, the contact angle of mercury at rock surface is 160°. At reservoir condition, the oil-water interfacial tension is 30mN/m, the contact angle of oil-water- rock system is 139°, the density difference between water and oil is 0.4g/cm³.The median pressure on the mercury/air

The surface tension of mercury is 480mN/m, the contact angle of mercury at rock surface is 160°. At reservoir condition, the oil-water interfacial tension is 30mN/m, the contact angle of oil-water- rock system is 139°, the density difference between water and oil is 0.4g/cm³.The median pressure on the mercury/air

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

The surface tension of mercury is
480mN/m, the contact angle of mercury at
rock surface is 160°. At reservoir
condition, the oil-water interfacial tension
is 30mN/m, the contact angle of oil-water-
rock system is 139°, the density difference
between water and oil is 0.4g/cm'.The
median pressure on the mercury/air
capillary pressure curve is 9.84 atm the
threshold pressure for mercury is 2.1l1atm.
Calculate:
1) The pressure difference
between water phase and oil phase at
reservoir conditions at the level
where water saturation Sw-50%.
2) The minimum pressure
required for water displacing oil
at reservoir condition?

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