Variable size coil tubing gripping elements
US7270190B2 · kind B2 · utility
18Cited by
11References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 11, 2005 |
| Grant date | Sep 18, 2007 |
| Priority date | — |
| Expiry date | Sep 25, 2025 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/062
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A variable ram for coiled tubing comprises a pair of opposing rams, each ram having a ram body with a vertical channel formed therein; a pair of opposing pins within each ram head, the pins extending into the channel; and a toothed gripper having a hole therein sized to mount over its respective pin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.