Drill pipe handling system
US9422778B2 · kind B2 · utility
1Cited by
7References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2014 |
| Grant date | Aug 23, 2016 |
| Priority date | — |
| Expiry date | Jan 20, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An elevator, apparatus, and method for handling a tubular, of which the apparatus includes a body defining at least a portion of a tapered bowl. The apparatus also includes a plurality of slips disposed at least partially within the bowl and configured to slide along a surface of the bowl. Each of the slips includes a radial engaging surface configured to engage an outer diameter of a tubular, and a tapered engaging surface configured to engage a tapered section of the tubular.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.