Patent · US Expired

Reciprocating slickline pump

US7172028B2 · kind B2 · utility

9Cited by
25References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 15, 2003
Grant dateFeb 6, 2007
Priority date
Expiry dateJun 5, 2024

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B33/1275
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A reciprocating hydraulic slickline pump for use in a wellbore. The pump comprises a pump member. The pump member is reciprocated axially by slickline in order to form an upstroke and downstroke. The pump is configured such that it pressurizes fluid within a workstring assembly during the pump's downstroke.

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