Modified die block for drilling rig floor wrench
US10718171B2 · kind B2 · utility
2Cited by
12References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 11, 2016 |
| Grant date | Jul 21, 2020 |
| Priority date | — |
| Expiry date | Aug 23, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/161
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Modified tong assemblies for drilling rig floor wrenches are provided, each tong assembly providing die blocks having “quick-release” gripping die for gripping and manipulating wellbore tubulars. According to embodiments herein, each tong assembly includes die blocks forming at least two opposed slots for receiving the die within the slots, and having at least one spring-actuated retainer pin for releasably securing the die within the slots.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.