Two-point polished rod load-sensing system
US11506045B2 · kind B2 · utility
0Cited by
17References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2020 |
| Grant date | Nov 22, 2022 |
| Priority date | — |
| Expiry date | Feb 24, 2041 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/127
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus includes a first clamping mechanism configured to grip a tubular member at a first location along the tubular member. The apparatus also includes a second clamping mechanism configured to grip the tubular member at a second location along the tubular member that is axially-offset from the first location. The apparatus also includes a base positioned between the first and second clamping mechanisms. The apparatus also includes a strain gauge coupled to the base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.