Blowout-preventer-stack one-trip test tool and method
US9470082B1 · kind B1 · utility
4Cited by
25References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 2015 |
| Grant date | Oct 18, 2016 |
| Priority date | — |
| Expiry date | May 5, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/064
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A blowout-preventer-stack one-trip test tool and method providing a solid test pin for sealing the test plug in the wellhead, a running tool for securely placing, separating from, reattaching, and removing the solid test pin, testing all fixed and variable rams and annulars and testing all blind and shear rams without damage to pipe, in one trip, and a fail-safe secondary provision for removing the solid test plug on a second trip with an emergency retrieval tool if necessary.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.