Procede pour rendre optimal l'avancement d'un outil de...

Procedure and production pipe for production of oil or gas...

Procedure for controlling a rock drill and rock drill for...

Procedure for drawing water from a ground water store

Procedure for measuring the rate of penetration of a drill bit

Procedures and equipment for profiling and jointing of pipes

Procedures and equipment for profiling and jointing of pipes

Procedures and equipment for profiling and jointing of pipes

Process and apparatus for cleaning particulate solids

Process and apparatus for enhanced hydrocarbon recovery

Process and apparatus for groundwater extraction using a...

Process and apparatus for handling/steering at least one...

Process and apparatus for injection of oxidant and liquid...

Process and apparatus for logging of non eruptive producing...

Process and apparatus for monitoring and controlling the...

Process and apparatus for purification of contaminated...

Process and apparatus for the recovery of hydrocarbons from...

Process and apparatus for the recovery of hydrocarbons from...

Process and apparatus for the underground gasification of...

Process and apparatus to improve reliability of pinpoint...