Method and apparatus for moving tubular rotary slips
US12247446B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 29, 2024 |
| Grant date | Mar 11, 2025 |
| Priority date | — |
| Expiry date | Feb 29, 2044 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B34/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A rotary slips lift system for oilfield tubulars includes a movable base adapted to move between a first position and a second position where the first position is closer to a bowl in a drilling rig floor than the second position. The system further includes a lifting arm having a first end and a second end where the second end is pivotally coupled to the movable base and where the lifting arm has a first arm position and a second arm position. The system further includes a rotary slips where the rotary slips is removably coupled to the first end of the lifting arm and where the rotary slips is adapted to be in a first slips position when the lifting arm is in the first arm position and the movable base is in the first position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.