Antenna and wear plates for borehole logging apparatus

Patent · Tue Oct 06 00:00:00 EDT 1992

OSTI ID:6929432

Griffin, D D; Kleinberg, R L; Sezginer, A; Fukuhara, M

This patent describes a well logging apparatus wherein a logging device is moveable through an earth borehole and includes means for transmitting electromagnetic energy into formations traversed by the borehole, an antenna assembly supported in the logging device. It comprises: an open-ended shell formed of a relatively thick material; an open-ended body conforming generally in shape to the inner surface of the shell and being spaced therefrom; a medium disposed between the shell and the body; an electrically conductive probe disposed in the body; and means coupled between the body and the probe for receiving electronic signals from the antenna.

• Assignee: Schlumberger Technology Corp., New York, NY (United States)
• Patent Number(s): US 5153514; A
• Application Number: PPN: US 7-657710
• OSTI ID: 6929432
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020200* -- Petroleum-- Reserves
Geology
& Exploration
440400 -- Well Logging Instrumentation
47 OTHER INSTRUMENTATION
ANTENNAS
ELECTRICAL EQUIPMENT
ELECTROMAGNETIC PULSES
ELECTROMAGNETIC RADIATION
EQUIPMENT
MATERIALS TESTING
OIL WELLS
PULSES
RADIATIONS
TESTING
WELL LOGGING EQUIPMENT
WELLS