Tubular delivery arm for a drilling rig
US11118414B2 · kind B2 · utility
1Cited by
67References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 2017 |
| Grant date | Sep 14, 2021 |
| Priority date | — |
| Expiry date | Oct 22, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/16
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A tubular delivery arm that travels vertically along a rail on the front of a drilling mast in generally parallel orientation to the travel of a top drive. The tubular delivery arm has a dolly vertically translatably connected to a mast of the drilling rig. An arm is rotatably and pivotally connected to the dolly at its upper end. A tubular clasp is pivotally connected to the arm at its lower end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.