Assignee
SENTURION SCIENCES
3 patents
Top patents by PatentIndex Score
US4003017AJan 11, 1977
Continuous bit positioning system
SENTURION SCIENCES59 citations94
US3993974ANov 23, 1976
Seismic method for determining the position of the bit on a drill stem in a deep borehole
SENTURION SCIENCES21 citations81
US3979140ASep 7, 1976
Seismic method for logging position of a deep borehole in the earth
SENTURION SCIENCES15 citations72