VALVE ACTUATED PRESSURE DISTURBANCE SYSTEM FOR PERFORMING MEASUREMENTS IN A DRILL HOLE
A Standard patent application filed on 12 August 1985 credited to Scherbatskoy, Serge A.
Details
Application number :
46169
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
VALVE ACTUATED PRESSURE DISTURBANCE SYSTEM FOR PERFORMING MEASUREMENTS IN A DRILL HOLE