Invention Grant
US09482775B2 Real-time formation anisotropy and dip evaluation using tri-axial induction measurements
有权
使用三轴感应测量的实时地层各向异性和浸渍评估
- Patent Title: Real-time formation anisotropy and dip evaluation using tri-axial induction measurements
- Patent Title (中): 使用三轴感应测量的实时地层各向异性和浸渍评估
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Application No.: US13574665Application Date: 2011-01-21
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Publication No.: US09482775B2Publication Date: 2016-11-01
- Inventor: Peter T. Wu , Thomas D. Barber
- Applicant: Peter T. Wu , Thomas D. Barber
- Applicant Address: US TX Sugar Land
- Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
- Current Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
- Current Assignee Address: US TX Sugar Land
- Agent John Vereb
- International Application: PCT/US2011/021986 WO 20110121
- International Announcement: WO2011/091216 WO 20110728
- Main IPC: G01V3/12
- IPC: G01V3/12 ; G01V1/42 ; G01V3/30 ; G06F19/00

Abstract:
The present disclosure relates to a method to determine a formation property of a subsurface formation. A downhole logging tool having two or more tri-axial antennas is provided and used to obtain azimuthally sensitive data. Borehole correction is performed on the obtained data and a ZD-inversion is performed on the borehole corrected data for all antenna spacing groups. A formation indicator flag is determined and, depending on the determined formation indicator flag, a 1D-axial inversion and/or a 1D-radial inversion is performed over selected zones, or neither is performed. The best ZD-inversion results are selected and the 1D-axial inversion results and/or the 1D-radial inversion results, if any, are combined with the selected best ZD-inversion results to form a composite inversion result. The formation property of the subsurface formation is determined using the composite inversion result.
Public/Granted literature
- US20130080058A1 Real-Time Formation Anisotropy And Dip Evaluation Using Tri-Axial Induction Measurements Public/Granted day:2013-03-28
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