Sliding sleeve sub and method and apparatus for wellbore fluid treatment
US9010447B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 7, 2010 |
| Grant date | Apr 21, 2015 |
| Priority date | — |
| Expiry date | Jul 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.