Pipe-handling apparatus and methods
US8215887B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 1, 2010 |
| Grant date | Jul 10, 2012 |
| Priority date | — |
| Expiry date | Nov 1, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/155
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A pipe-handling apparatus adapted to move pipe to and from a drilling floor of a drilling rig including a ramp extendable between a main support structure and the drilling floor, a pipe carrier mounted on the main support structure configured to move between lower and elevated positions over the ramp, a lift arm including a first end and a second end and being pivotally connected at its first end adjacent the far end of the carrier and operable below the carrier to lift and support the carrier's far end to an elevated position, a track on the main support structure for supporting the carrier and the lift arm, and a drive system that pivots or moves the lift arm up about a track stop to lift the far end of the carrier and moves the near end up and over the ramp.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.