Downhole detection tool
US10520634B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 7, 2014 |
| Grant date | Dec 31, 2019 |
| Priority date | — |
| Expiry date | Oct 7, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/116
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention concerns a downhole cable or control line detection tool. More particularly, but not exclusively, this invention concerns a method and apparatus for the downhole detection of a cable or control line associated with the external wall of a well casing. A downhole tool for the detection of downhole cable or control lines is provided. The downhole tool comprises an eddy current sensor, the eddy current sensor being arranged to be proximate to the internal wall of a well casing. The eddy current sensor is arranged for pulsed operation. The downhole tool further comprises a mechanism for rotating the eddy current sensor, with an axis of rotation parallel with the longitudinal axis of a well casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.