Apparatus for measuring a tubular string as it is lowered into a borehole and method
US10082015B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 1, 2016 |
| Grant date | Sep 25, 2018 |
| Priority date | — |
| Expiry date | Jun 13, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D5/252
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus for measuring a profile of a tubular string and the components thereof as the tubular string is made up and run into a borehole. The apparatus includes a rotating assembly disposed within a housing, the rotating assembly including a plurality of upper legs, and plurality of lower legs and a plurality of rolling elements, each upper leg having a proximal end and a distal end coupled to an upper ring, each lower leg having a proximal end coupled to a lower ring and a distal end, and each rolling element rotatably coupled to the proximal end of an upper leg and a distal end of a lower leg. The apparatus further includes a sensor for detecting a position of the rolling elements as they engage an exterior surface of a tubular string being made up and run into a borehole from a rig. The apparatus receives the tubular string through aligned central passages in the upper ring, lower ring and the rotating assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.