Tercel IP Limited

Lynx Drilling Tools Limited

Abdelhakim Hahati

Sébastian Desmette

Thomas Richard

Benoit Deschamps

Rotary rock bit comprising a tool body having an axial core () and radial blades () made of steel, grooves () hollowed out in the edge () of the blades, transversely thereto, and cylindrical abrasive elements () comprising impregnated diamonds, which are disposed in the grooves, transversely to the blades.

Rotary drill and method for the production thereof

Device comprising equipment for measuring parameters of a drilling or coring operation by means of a drillbit fixed to the end of a drill string, measurement equipment () being housed in a chamber () made in a coupling () that is designed to be interposed between two drill string pipes or between the drillbit and a drill string pipe, or to constitute an adapter () for a cutting head () of the drillbit of a drill string.

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Brussels, Belgium

Abdelhakim Hahati