Apparatus and method for accurate pipeline surveying
US6553322B1 · kind B1 · utility
76Cited by
13References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 29, 1999 |
| Grant date | Apr 22, 2003 |
| Priority date | — |
| Expiry date | Sep 29, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L2101/30
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A pipeline surveying system including a pipeline pig can accurately provide a pipeline profile after correlation with a previously determine Global Positioning System (GPS) survey. An inertial measurement unit located in the pig determines a pipeline profile as it travels through the pipeline and correlates the measured profile with the GPS survey.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.