Ram-type blowout preventer
Ram-type blowout preventer
Ram-type blowout preventer and packer therefor
Ram-type blowout preventer and packer therefor
Rapid cycle annulus pressure responsive tester valve
Ratchet assembly for transmitting movement in a downhole tool
Ratchet/release mechanism for a retrievable well apparatus...
Rate controllable gel for conformance improvement treatment...
Rate gyro wells survey system including nulling system
Rate induced diversion for multi-stage stimulation
Rate of penetration sensor for oil drilling rigs
Rate-controlled polymer gelation process for oil recovery...
Rcd hydraulic stripping adapter
Re-enterable gravel pack system with inflate packer
Re-use of recovered treating fluid
Reactivaiting gas wells
Real time closed loop interpretation of tubing treatment...
Real time dull grading
Real time monitoring and control of thermal recovery...
Real time optimization of power in electrical submersible...