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:
Jan. 16, 2018

Filed:

Oct. 15, 2014
Applicants:

Kevin W. Hightower, Burleson, TX (US);

David A. Green, Highlands Ranch, CO (US);

Neil W. Longfellow, Boulder, CO (US);

Robert E. Bender, Evergreen, CO (US);

Inventors:

Kevin W. Hightower, Burleson, TX (US);

David A. Green, Highlands Ranch, CO (US);

Neil W. Longfellow, Boulder, CO (US);

Robert E. Bender, Evergreen, CO (US);

Assignee:

Well Master Corp, Golden, CO (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 43/12 (2006.01);
U.S. Cl.
CPC ...
E21B 43/121 (2013.01);
Abstract

A plunger for extraction of hydrocarbon fluids from a gas well system wherein the plunger is arranged to move upwardly and downwardly in an arrangement of inner tubing within the gas well system. The plunger comprises an elongated housing sleeve having a longitudinally directed bore, an elongated central chamber within the longitudinally directed bore, the central chamber having a plug nestable seat at each end thereof; and a plug displacably arranged within the central chamber so as to seal the bore during travel of the plug in a first direction in the inner tubing, and to permit flow of fluid through the plunger as the plunger travels in a second direction in the inner tubing.


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