Patent · US Active

Sliding sleeve sub and method and apparatus for wellbore fluid treatment

US9010447B2 · kind B2 · utility

17Cited by
14References
63Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 7, 2010
Grant dateApr 21, 2015
Priority date
Expiry dateJul 15, 2031

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B2200/06
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A tubing string assembly is disclosed for fluid treatment of a wellbore The tubing string can be used for staged wellbore fluid treatment where a selected segment of the wellbore is treated, while other segments are sealed off The tubing string can also be used where a ported tubing string is required to be run-m in a pressure tight condition and later is needed to be in an open-port condition A sliding sleeve in a tubular has a driver selected to be acted upon by an inner bore conveyed actuating device, the driver drives the generation of a ball stop on the sleeve.

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