Ram block carrier for reciprocating ram-type blowout preventer
Ram block guide system for a ram-type blow out preventer
Ram blocks for hydrogen sulfide service
Ram bop position sensor
Ram style tensioner with fixed conductor and floating frame
Ram type blowout preventers
Ram-type blowout preventer
Ram-type blowout preventer
Ram-type blowout preventer
Ram-type blowout preventer
Ram-type blowout preventer and packer therefor
Ram-type blowout preventer and packer therefor
Ramp plate and loader for mineral conveyors
Rapid cycle annulus pressure responsive tester valve
Rapidly-retractable hydraulic prop
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