Method and apparatus for initialization of a wellbore survey tool
US8305230B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2009 |
| Grant date | Nov 6, 2012 |
| Priority date | — |
| Expiry date | Mar 27, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C21/166
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus for initializing a wellbore survey tool comprises a base portion and a first mounting portion mechanically coupled to the base portion. The first mounting portion can be adapted to be mechanically coupled to at least one directional reference system configured to provide data indicative of an orientation of the at least one directional reference system with respect to a reference direction. The apparatus of certain embodiments further comprises a second mounting portion mechanically coupled to the base portion, the second mounting portion configured to be mechanically coupled to a wellbore survey tool such that the wellbore survey tool has a predetermined orientation with respect to the at least one directional reference system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.