Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Content or effect of a constituent of a liquid mixture
Patent
1984-09-28
1985-07-16
Levy, Stewart J.
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Content or effect of a constituent of a liquid mixture
73151, 73432SD, E21B 4910
Patent
active
045288429
ABSTRACT:
A bore hole hydraulics simulator for drilling fluid has a pump for flowing the drilling fluid along a permeable partition which divides a first volume containing the drilling fluid from a second volume adapted to collect filtrate passing through the permeable partition. The first volume is a substantially cylindrical passageway to simulate a bore hole, having within it a rod-like member simulating a drill string. The partition is a sleeve-like insert located adjacent the rod-like member. The second volume is a chamber surrounding the insert. The rod-like member includes a device for measuring the thickness of a cake build-up on the sleeve-like insert within the passageway. The output of the pump can be adjusted in response to measurements of cake thickness, in order to maintain a substantially constant shear rate past the cake.
REFERENCES:
patent: 2830266 (1958-04-01), Southwick et al.
patent: 4430889 (1974-02-01), Sutton
patent: 4458528 (1974-07-01), Roper et al.
Levy Stewart J.
Trans-Canada Resources Ltd.
Williams Hezron E.
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