Frac dart, method, and system
US11782098B2 · kind B2 · utility
0Cited by
16References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2021 |
| Grant date | Oct 10, 2023 |
| Priority date | — |
| Expiry date | Apr 21, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R33/038
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A frac dart including a pressure housing, a mechanically actuated magnetic sensor including a first magnet outside of the pressure housing, a signal generator inside the pressure housing and in operable communication with the first magnet, and an electrical counter disposed in the frac dart responsive in increments to the signal generator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.