Self-reversing hydraulic control mechanism

Self-set bridge plug

Self-shaping drill cutting edge

Self-stabilized and anti-whirl drill bits and bottom-hole...

Self-standing marine riser

Self-supported drilling riser

Self-sustaining on-site production of electricity and/or...

Self-sustaining on-site production of electricity utilizing...

Semi-conductive shell for sources and sensors

Sensing tool

Sensor array suitable for long term placement inside...

Sensor system

Separable plug for use in a wellbore

Separable plug for use with a wellbore tool

Separately powered tube shearing mechanism for a gate valve

Separateur annulaire pour puits petrolier sous-marin

Separating collector for subsea blowouts

Separating sand from fluids produced by a well

Separation and capture of liquids of a multiphase flow

Separation and recovery of liquid-phase petroleum...