Downhole imaging
US12205258B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2020 |
| Grant date | Jan 21, 2025 |
| Priority date | — |
| Expiry date | Sep 30, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/555
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
This invention relates to a method of imaging a downhole region of interest. In particular this invention relates to a method of processing images captured downhole to remove or reduce distortions due to the optical system as a function of the temperature experienced by the optical system in the downhole environment. A method of imaging a downhole region of interest comprises contemporaneously capturing an image of a region of interest and recording a temperature associated with the region of interest; selecting a pre-defined set of distortion data from a plurality of pre-defined sets of distortion data based on the recorded temperature; and applying the selected set of distortion data to the captured image to create an un-distorted image, wherein the pre-defined set of distortion data comprises distortion values associated with a range of field angles at a specified temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.