System and method for threaded riser auxiliary lines
US10738541B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 4, 2019 |
| Grant date | Aug 11, 2020 |
| Priority date | — |
| Expiry date | Feb 4, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/0853
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A system for coupling a first pipe segment to a second pipe segment includes a pin coupled to the first pipe segment, the pin having a first outer diameter and a second outer diameter, the second outer diameter forming a recess along at least a portion of the pin. The system also includes a box coupled to the second pipe segment, the box having an opening, the opening receiving at least a portion of the pin, wherein at least a portion of a wall of the opening includes threads. The system further includes a rotating threaded collar arranged within the recess, at least a portion of the rotating threaded collar including mating threads configured to engage the threads of the box, wherein the rotating threaded collar is rotatable about the pin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.