Cover grate for well-site cellars
US10920392B2 · kind B2 · utility
0Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 27, 2018 |
| Grant date | Feb 16, 2021 |
| Priority date | — |
| Expiry date | Jul 27, 2038 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02D29/1454
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A system and method for protecting workers, vehicles, and well-heads by enclosing well-site cellars with a series of framed plates. Each plate is perforated and configured for lifting with holes for hoisting the plates. Each plate is lipped to be retained by longitudinal edges of the cellar. A plurality of plates supports a platform for supporting a pipe wrangler adjacent a cellar based wellbore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.