A device for sealing charges in shot holes and a method for...
A device for selective movement of well tools and also a...
A device for transferring fluid between equipment on the...
A device for use for mounting and alignment of a christmas...
A device in a subsea system for controlling a hydraulic...
A disc cutter
A disconnect device
A down-the hole hammer
A downhole activation tool using reacting hydrogen peroxide
A downhole actuator including a sealing bellows
A downhole assembly
A downhole bearing assembly
A downhole bearing assembly
A downhole device
A downhole drift indicator
A downhole modulator apparatus
A downhole positioning system
A downhole system and an immersion hydraulic machine for...
A downhole tool for assisting in separating and reconnecting...
A downhole tool for use in a wellbore