Inversion-based workflow for processing nuclear density images in high-angle and horizontal wells
US10809416B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Dec 18, 2017 |
| Grant date | Oct 20, 2020 |
| Priority date | — |
| Expiry date | Oct 16, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V5/08
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods and apparatus for characterizing a subterranean formation traversed by a wellbore including collecting data from the formation using a tool wherein the tool collects data to form an azimuthal image, characterizing a section of the formation comprising data and images acquired in a high angle wellbore section or horizontal wellbore section using a parametric model, and performing an inversion using apparent densities and volumetric photoelectric factor images to build a formation model wherein the inversion is tailored for high angle wellbore sections and/or horizontal wellbore sections.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.