Device for manipulating a tool in a well tubular

Device for measuring drilling mast swivel movement

Device for measuring or intervening in a well, method using...

Device for measuring properties of underground water and...

Device for measuring the drilling progress from a floatting...

Device for measuring the permeability of rock fragments

Device for monitoring a drilling or coring operation and...

Device for perforating water well pipe casings

Device for perforating wells

Device for performing a downhole operation

Device for placing, activating and connecting the modules of...

Device for plug removal

Device for plugging horizontal or vertical wells in oil or...

Device for positioning and removing a flexible line assembly

Device for positioning equipment

Device for preparing a fluid, in particular a drilling...

Device for pressure testing of pipes

Device for preventing pipe buckling

Device for producing boreholes in coal or the like

Device for producing of electric energy and of signal...