Dual-saddle ear support apparatus
US7735565B2 · kind B2 · utility
2Cited by
19References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2009 |
| Grant date | Jun 15, 2010 |
| Priority date | — |
| Expiry date | Oct 22, 2029 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B3/022
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus for use in wellbore operations and a method for using it is provided. The apparatus includes a main body, two support ears spaced-apart and projecting from the main body, each having an inner ear part and an outer ear part. The inner ear part is able to support more weight than the outer ear part. In certain aspects, structure for preventing a large support link from being positioned on an outer ear part is provided. The apparatus, may be any of a link adapter, a block adapter, a becket, an elevator, and a drilling hook.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.