Small hole well logging sonde and system with transmitter and receiver assemblies
Patent
·
OSTI ID:5528535
A well logging sonde has an outer diameter of 1-11/16 inches or less and includes a transmitter coil and at least two receiver coils. The coils are contained in a coil housing. A transmitter circuit provides a signal for energizing the transmitter coil to develop an electromagnetic field in an each formation. A transmitter case contains the transmitter circuit and is mechanically connected to the coil housing so that the transmitter provides the signal to the transmitter coil which develops the corresponding electromagnetic field in the earth formation. A receiver circuit receives signals from the receiver coils resulting from the reception of electromagnetic energy from the electromagnetic field after passage through the earth formation. The receiver circuit provides a signal representation of at least one characteristic of the earth formation in accordance with the signals from the receiver coils. The receiver circuit is housed in a receiver case which is mechanically connected to the coil housing in a manner so that the receiver coils provide their signals to the receiver means. A cable connector is mechanically connected to a well logging cable so as to electrically connect the receiver circuit to at least one conductor in the well logging cable.
- Assignee:
- Texaco Inc.
- Patent Number(s):
- US 4401947
- OSTI ID:
- 5528535
- Country of Publication:
- United States
- Language:
- English
Similar Records
Well logging means and method for determining water saturation of a petroleum reservoir having two transmitters and two receivers
Deep penetration well logging sonde
Dielectric well logging system with at least three transmitter coils and at least two receiver coils for determining resistivity and dielectric constant of a subsurface formation adjacent a fluid
Patent
·
Tue Sep 08 00:00:00 EDT 1987
·
OSTI ID:5837488
Deep penetration well logging sonde
Patent
·
Tue Oct 13 00:00:00 EDT 1987
·
OSTI ID:5788157
Dielectric well logging system with at least three transmitter coils and at least two receiver coils for determining resistivity and dielectric constant of a subsurface formation adjacent a fluid
Patent
·
Tue Sep 02 00:00:00 EDT 1986
·
OSTI ID:5179505