Method and apparatus for testing polymer drilling mud

Details Method and apparatus for testing polymer drilling mud Method and apparatus for testing polymer drilling mud

1990-03-09

1992-04-21

Williams, Hezron E.

Measuring and testing

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

Content or effect of a constituent of a liquid mixture

G01N 1504

Patent

active

051056569

ABSTRACT:
A test cell utilizing a pressure vessel having a vertically oriented filter having 7 square inches of flow area located therein with the vessel being sufficiently deep to provide a settling chamber below the filter for weighting materials which settle out in the presence of the high temperatures. The methods presented herein provide a means for testing polymer drilling muds that yield consistent and repeatable results that can be correlated to fluid loss indices of other drilling muds. The methods involve filling the vessel with polymer mud, heating the mud to the predetermined temperature, applying pressure to the drilling mud to force it through a 7 square inch flow area filter and measuring the filtrate over a predetermined period of time to establish the flow index.

REFERENCES:
patent: 3216242 (1965-11-01), Eyerich
patent: 4402214 (1983-09-01), Morgan et al.
patent: 4517053 (1985-05-01), Devine
patent: 4613406 (1986-09-01), Gess
patent: 4748849 (1988-06-01), Jamison et al.

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