Patent · US Active

Dynamic seal pad plunger arrangement

US8869902B2 · kind B2 · utility

12Cited by

1References

20Claims

0Family size

Assignee

Well Master Corporation · US

Inventors

Jesse L. Smith · Kingfisher, US
David A. Green · Mission Viejo, US
Robert E. Bender · Evergreen, US

Key dates

Filing date	Apr 20, 2012
Grant date	Oct 28, 2014
Priority date	—
Expiry date	Apr 17, 2033

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04B47/12
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A plunger system for maximizing the liquid lift potential of a plunger arranged for vertical travel in a conduit in a gas/oil production well. The plunger system comprises an elongated plunger body mandrel having an upper or first end and a second or lower end with a fluid transmitting bore extending longitudinally therethrough, from the second or lower end of the plunger body and into at least a central portion of the plunger body, a plurality of curvilinearly shaped, replaceable wear pads arranged in a controllably radially displaceable manner on the plunger body, and at least one fluid ejecting nozzle arranged extending through a side wall of the plunger body.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.