Invention Grant
- Patent Title: Determination of elemental concentrations from the capture and inelastic energy spectra
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Application No.: US15734503Application Date: 2018-09-24
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Publication No.: US11243328B2Publication Date: 2022-02-08
- Inventor: Richard R. Pemper , Guojing Hou
- Applicant: Weatherford Technology Holdings, LLC
- Applicant Address: US TX Houston
- Assignee: Weatherford Technology Holdings, LLC
- Current Assignee: Weatherford Technology Holdings, LLC
- Current Assignee Address: US TX Houston
- Agency: Lewis & Reese, PLLC
- International Application: PCT/US2018/052377 WO 20180924
- International Announcement: WO2019/240831 WO 20191219
- Main IPC: G01V5/10
- IPC: G01V5/10
Abstract:
Methods and systems for determining the elemental composition of formation rock are disclosed. The systems include a pulsed-neutron geochemical logging tool that is conveyed in a borehole traversing the formation. The pulsed-neutron geochemical logging tool can collect inelastic and capture neutron spectra. The inelastic and capture spectra are processed to provide the elemental composition of formation rock after removing contributions due to elements in the borehole and in the pores of the formation.
Public/Granted literature
- US20210231828A1 Techniques for Determining Formation Composition from Measured Nuclear Spectra Public/Granted day:2021-07-29
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