Box-on-box self-stacking substructure for a drill rig
US9488014B2 · kind B2 · utility
21Cited by
27References
44Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 2014 |
| Grant date | Nov 8, 2016 |
| Priority date | — |
| Expiry date | Nov 10, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H12/344
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Disclosed is a drill rig having two master skids. Wherein prior to assembly of the drill rig, the master skids include a base box structure and a supported box structure arranged in a nested relationship. Additionally, the base box structures house hydraulic components and support components necessary to raise and support the supported box structure at an operational position. Further, the base box structures includes hydraulic components necessary to raise the drill rig mast to an operational position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.