Invention Grant
- Patent Title: Method and system for calibrating a downhole imaging tool
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Application No.: US14366679Application Date: 2012-12-20
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Publication No.: US09885805B2Publication Date: 2018-02-06
- Inventor: Andrew J. Hayman , Laetitia Comparon , Richard Bloemenkamp
- 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 Michael Dae
- Priority: EP11290598 20111222
- International Application: PCT/US2012/070822 WO 20121220
- International Announcement: WO2013/101636 WO 20130704
- Main IPC: G01V13/00
- IPC: G01V13/00 ; E21B47/00 ; G01V3/20

Abstract:
System and methods of generating calibrated downhole images of a subterranean formation (110) surrounding a wellbore (105). The method involves measuring open hole and cased hole measurements with a downhole tool (132); determining (698) open hole parameters (e.g., Z90) from the cased hole parameters, known parameters and the open hole measurements; and generating (699) downhole outputs from the determined open hole parameters.
Public/Granted literature
- US20140347056A1 Method and System for Calibrating a Downhole Imaging Tool Public/Granted day:2014-11-27
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