The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 13, 2011

Filed:

Dec. 12, 2008
Applicants:

Kenneth Slater, Sealy, TX (US);

Michael T. Darring, New Orleans, LA (US);

Marian Baranowski, Houston, TX (US);

Inventors:

Kenneth Slater, Sealy, TX (US);

Michael T. Darring, New Orleans, LA (US);

Marian Baranowski, Houston, TX (US);

Assignee:

M-I LLC, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 49/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A screen test apparatus includes a test cell disposed within a pressure vessel, a piston disposed within the pressure vessel, wherein the piston is in sealing contact with an inner surface of the pressure vessel, and a screen assembly disposed in an end of the test cell. The screen assembly includes a mount collar, a screen disposed in the mount collar, and an end cap adjacent the screen which includes grooves in a face adjacent the screen and passages extending through the end cap, wherein the screen assembly is configured to fully support the screen while allowing a fluid to pass through the screen.


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