Invention Grant
- Patent Title: Precision marking of subsurface locations
- Patent Title (中): 地下位置的精确标记
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Application No.: US13048473Application Date: 2011-03-15
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Publication No.: US08646520B2Publication Date: 2014-02-11
- Inventor: Songhua Chen
- Applicant: Songhua Chen
- Applicant Address: US TX Houston
- Assignee: Baker Hughes Incorporated
- Current Assignee: Baker Hughes Incorporated
- Current Assignee Address: US TX Houston
- Agency: Mossman, Kumar & Tyler, PC
- Main IPC: E21B47/12
- IPC: E21B47/12 ; G01V3/26
Abstract:
A method for performing a downhole operation includes marking at least one location in a wellbore using a magnetized material. The magnetized material may generate a magnetic field stronger than a magnetic field generated in the wellbore by a surrounding formation.
Public/Granted literature
- US20120234533A1 PRECISION MARKING OF SUBSURFACE LOCATIONS Public/Granted day:2012-09-20
Information query
