Post and non-elongated substructure drilling rig
US10214970B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2018 |
| Grant date | Feb 26, 2019 |
| Priority date | — |
| Expiry date | Jun 12, 2038 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B15/003
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A land-based drilling rig includes a drill rig floor, the drill rig floor including a V-door, a side of the drill rig floor having the V-door defining a V-door side of the drill rig floor and an opposite V-door side of the drill rig floor opposite the V-door side of the drill rig floor. The land-based drilling rig also includes a mast, the mast mechanically coupled to the drill rig floor. Further, the land-based drilling rig includes at least four support bases, each support base coupled to the drill rig floor by a telescoping support arm, the support base and telescoping arm forming a support, wherein the support bases are square or cylindrical.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.