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:
Jun. 07, 2011

Filed:

Nov. 10, 2009
Applicants:

Thomas H. Selman, Midland, TX (US);

Juanita C. Selman, Midland, TX (US);

Matthew J. Jennings, Midland, TX (US);

Richard James Gonzales, Midland, TX (US);

Brian A. Jennings, Midland, TX (US);

Stephen M. Bergman, Casper, WY (US);

Inventors:

Thomas H. Selman, Midland, TX (US);

Juanita C. Selman, Midland, TX (US);

Matthew J. Jennings, Midland, TX (US);

Richard James Gonzales, Midland, TX (US);

Brian A. Jennings, Midland, TX (US);

Stephen M. Bergman, Casper, WY (US);

Assignee:

Selman and Associates, Ltd., Midland, TX (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A low maintenance adjustable gas trap with a plurality of couplings, each coupling securing to a flow line of a drilling rig; a plurality of hammer unions each engaging a coupling; a plurality of base manifold pipes, each engaging a hammer union; a base manifold flow line engaging the base manifold pipes, a chimney pipe connected to the base manifold flow line with a controllable valve, a reducer connected to the chimney opposite the base manifold flow line; an expansion chamber component connected to the reducer; a restrictor mounted to the expansion chamber component opposite the reducer, wherein the restrictor has a diameter no more than ⅓a diameter of the expansion chamber component; and a conduit connection connected to the restrictor for engaging a conduit to flow a gas sample from the gas trap to a gas analyzer.


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