System for determining the location of pipelines
US11237289B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2017 |
| Grant date | Feb 1, 2022 |
| Priority date | — |
| Expiry date | Nov 8, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L2101/30
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A system for determining the location of pipelines using at least one geopig that is introduced into a pipeline, advances therein and that has a magnetic source for generating a magnetic field, wherein at least one unmanned aerial vehicle is provided with magnetic field sensors and position determination devices, a controller is provided for determining the field strength profile of the magnetic field and for positioning the unmanned aerial vehicle at a defined distance from the at least one geopig, and a device is provided for determining the location of the at least one geopig from the position of the unmanned aerial vehicle and the defined distance between the at least one geopig and the unmanned aerial vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.