Multifrequency signal transmitter with attenuation of selected harmonies for an array induction well logging apparatus
Patent
·
OSTI ID:5889362
This patent describes a transmitter means in an induction well tool. The tool adapted to be disposed in a borehole, a transmitter means connected to a transmitting coil for transmitting a signal into the borehole via the coil, the signal inducing in a surrounding formation of the bore hole a corresponding signal.
- Assignee:
- Schlumberger Technology Corp., Houston, TX (USA)
- Patent Number(s):
- A; US 4965522
- Application Number:
- PPN: US 7-269262
- OSTI ID:
- 5889362
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020200* -- Petroleum-- Reserves
Geology
& Exploration
03 NATURAL GAS
030200 -- Natural Gas-- Reserves
Geology
& Exploration
440400 -- Well Logging Instrumentation
47 OTHER INSTRUMENTATION
BOREHOLES
CAVITIES
ELECTRIC LOGGING
EQUIPMENT
FREQUENCY MEASUREMENT
INDUCTION LOGGING
WELL LOGGING
WELL LOGGING EQUIPMENT
020200* -- Petroleum-- Reserves
Geology
& Exploration
03 NATURAL GAS
030200 -- Natural Gas-- Reserves
Geology
& Exploration
440400 -- Well Logging Instrumentation
47 OTHER INSTRUMENTATION
BOREHOLES
CAVITIES
ELECTRIC LOGGING
EQUIPMENT
FREQUENCY MEASUREMENT
INDUCTION LOGGING
WELL LOGGING
WELL LOGGING EQUIPMENT