Viscometer apparatus and method

Details Viscometer apparatus and method Viscometer apparatus and method

1988-10-07

1989-11-07

Levy, Stewart J.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Viscosity

G01N 1114

Patent

active

048783773

ABSTRACT:
A rotary viscometer includes a rotor member having plural helically staggered mixing blades disposed on the outer surface thereof for thoroughly mixing a quantity of fluid whose viscosity is being measuring during rotation of the rotor member. The viscometer has a relatively large annular space between the rotor member and a stationary bob member, and the viscosity of hydraulic fracturing fluids for earth formations, in particular, of a type which exhibit increased viscosity at elevated temperatures, is measured by an improved method using the viscometer.

REFERENCES:
patent: 2096222 (1937-10-01), Bock
patent: 2457247 (1948-12-01), Lawshe
patent: 2703006 (1955-03-01), Savins
patent: 2992651 (1961-07-01), Krofta
patent: 3435666 (1969-04-01), Fann
patent: 4175425 (1979-11-01), Brookfield
patent: 4299118 (1981-11-01), Gau et al.

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