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.
Patent No.:
Date of Patent:
Oct. 21, 2008
Filed:
Apr. 20, 2005
Applicant:
Bruce M. Victor, Fort Lupton, CO (US);
Inventor:
Bruce M. Victor, Fort Lupton, CO (US);
Assignee:
Production Control Services, Inc., Frederick, CO (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/12 (2006.01); E21B 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A plunger mechanism comprises an adjustable bypass valve. Depending on well parameters, a user may desire to adjust the descent rate of a plunger in service. The present device allows the user to vary or adjust the bypass orifice to alter the flow of liquid through the plunger core.