Hydraulically activated connection device
US10605030B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 9, 2017 |
| Grant date | Mar 31, 2020 |
| Priority date | — |
| Expiry date | Jan 20, 2038 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B29/12
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention provides an improved hydraulically activated clamping device for connecting a wellhead and or Christmas tree positioned on a wellhead to a fracing tree that may comprise a connector body; a mandrel body; two or more clamp segments; two or more actuating bolts; a seal ring to provide sealing engagement between said connector body and said mandrel body; one or more motors driving each of said two or more actuating bolts; and control means to reduce or retard the power to the first of said two or more actuating bolts to release and prevent its further movement until the other of said actuating bolts release also.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.