Invention Grant
- Patent Title: Measuring spectral contributions of elements in regions in and about a borehole using a borehole spectroscopy tool
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Application No.: US16972022Application Date: 2019-06-03
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Publication No.: US12025767B2Publication Date: 2024-07-02
- Inventor: James Anthony Grau , Jeffrey Miles , Laurent Mosse
- Applicant: Schlumberger Technology Corporation
- Applicant Address: US TX Sugar Land
- Assignee: Schlumberger Technology Corporation
- Current Assignee: Schlumberger Technology Corporation
- Current Assignee Address: US TX Sugar Land
- Agent Ashley E. Brown
- International Application: PCT/US2019/035231 2019.06.03
- International Announcement: WO2019/236489A 2019.12.12
- Date entered country: 2020-12-04
- Main IPC: G01N23/222
- IPC: G01N23/222 ; E21B47/003 ; E21B47/113 ; E21B49/08 ; G01V5/10 ; G01V5/22
Abstract:
An earth formation traversed by a borehole is investigated. A borehole tool having a neutron source and a photon detector is located in the borehole and used to obtain photon scatter information in or about the borehole. A chemical element located in a region in or about the borehole is quantified by using the photon scatter information and at least two different spectral standards for that element.
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