Multi-functional isolation tool and method of use
US8201631B2 · kind B2 · utility
21Cited by
26References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2011 |
| Grant date | Jun 19, 2012 |
| Priority date | — |
| Expiry date | Apr 1, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/126
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A tool assembly and method for completing a well are provided. The tool is deployed on tubing string and includes a fluid treatment assembly with cup seals above and below the treatment ports. An equalization valve beneath the fracturing assembly can be opened or closed to control fluid passage between the coiled tubing and treatment zone to the wellbore below.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.