Non-seize material attachment for a drill slip system
US6915857B2 · kind B2 · utility
0Cited by
18References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2004 |
| Grant date | Jul 12, 2005 |
| Priority date | — |
| Expiry date | Apr 7, 2024 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An oil or gas well slip system is provided that includes a first movable member having an interactive contact surface and a second movable member having a mating interactive contact surface for slidable engagement with the interactive contact surface of the first movable member. The first and second movable members are each comprised of a first material. A second material, compositionally different from the first material, is attached to the interactive contact surface of either the first or the second movable member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.