Method for controlling a downhole tool with a linearly...
Method for controlling fluid flow into an oil and/or gas...
Method for reduction of control lines to operate a...
Method for wellhead control
Method of and device for production of hydrocarbons
Method of controlling a subsurface safety valve
Method of disabling and locking open a safety valve with...
Methods and apparatus for negating mineral scale buildup in...
Methods and apparatus for selectively controlling fluid communic
Modular actuator system for valves and chokes
Mounts for blowout preventer bonnets
Mounts for blowout preventer bonnets
Mounts for blowout preventer bonnets
Mounts for blowout preventer bonnets
Mud valve
Multi zone isolation tool having fluid loss prevention...
Multi-cycle dump valve
Multi-line back pressure control system
Multi-mode well tool with hydraulic bypass assembly
Multi-positioned sliding sleeve valve