Patent · US Active

Single and multi-chamber wellbore pumps for fluid lifting

US8991504B2 · kind B2 · utility

5Cited by
2References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 4, 2012
Grant dateMar 31, 2015
Priority date—
Expiry dateApr 4, 2032

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04B53/1005
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A wellbore pump includes a pump housing suspendible in a wellbore at ends of at least one of a power fluid line and a fluid discharge line. The pump housing includes a fluid inlet proximate a bottom end thereof and wherein the fluid discharge line is coupled proximate a top end thereof. The pump include valves for directing flow of wellbore fluid out of the housing when power fluid displaces fluid in the housing, the valves for directing flow of wellbore fluid into the housing when power fluid pressure is relieved.

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