Device for introducing separated fluids through independent flow
Device for performing a downhole operation
Device for sealing charges in shot holes and a method for using
Device for selective movement of well tools and also a...
Device for the separation of the gas phase from a mixture of...
Device for the thermal stimulation of gas hydrate formations
Devices, systems and methods for equalizing pressure in a...
Dewatering natural gas-assisted pump for natural and...
Dewaxing control apparatus for oil well
Diagnosis of formation characteristics in wells
Diagnostic sleeve shifting tool
Dialkylate additives for surfactant sytems
Diamine terminated primary amine-aldehyde sulfur converting...
Differential actuating system for downhole tools
Differential actuating system for downhole tools
Differential filters for stopping water during oil production
Differential firing head and method of operation thereof
Differential flow control valve
Differential pressure actuated vent assembly
Differential pressure controller