Measuring and testing – With fluid pressure – Porosity or permeability
Patent
1988-08-17
1990-05-08
Raevis, Robert R.
Measuring and testing
With fluid pressure
Porosity or permeability
G01N 1508
Patent
active
049227580
ABSTRACT:
A cell assembly for determining the conductivity and permeability of proppants in simulated subterranean formations comprising a plurality of vertically stacked cell units interconnected such that upon application of a compressive force the compressive force is transmitted equally throughout each of the cell units. Each of the cell units comprises a cell body member having a passageway extending therethrough; a lower piston connected to the cell body member such that one end thereof extends a selected distance into a lower portion of the passageway and an opposed second end extends outwardly therefrom for reciprocal movement within a cell body member of a second cell unit placed therebelow; and an upper piston member positionable in an upper portion of the passageway for reciprocal movement therein in response to force directed thereon, the upper piston member functioning as the lower piston member for a cell unit disposed thereabove. A plurality of shims are disposed within the passageway to define a proppant cavity therebetween. The upper and lower portions of each of the upper and lower piston members are provided with a groove about the peripheral edge portion adapted to receive a square ring such that a fluid tight seal is formed with the body member. A method and apparatus for conditioning a fracturing fluid to simulate downhole conditions are also disclosed.
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McCarthy Bill D.
Raevis Robert R.
Stim Lab, Inc.
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