Box device to sustain and protect transmitter and receptor transducers of a well acoustic profile registering tool .
AR247440A1
Flapper pad arrangement for logging sonde
AR246806A1
A well-boring tool that descends inside the bore-hole and the situation where this tool is applied.
AR247931A1
An apparatus and method for registering the acoustic profile in order to determine the property of the subterranean formations that are traversed by a drill shaft
AR246617A1
A boring profile gauge.
AR246998A1
A device for firing a gun perforator mounted on tubing.
AR244391A1
Apparatus for micro-inductivity research with respect to the characteristics of underground formations crossed by a bored well.
AR243962A1
A sealing cover, method and apparatus for sealing a pipe system.
