Engineering and geological services, services of planning well drilling, well design, hydraulic analysis, well surveying, services of on site supervision of wells; all the aforementioned included in this class

Machines for drilling, boring, reaming, cutting, sawing, and chiselling, and bits and blades used therefor, parts and fittings therefor; motors, stabilizers, drill collars, drilling jars, all for use in well and mining drilling, exploitation and maintenance; all the aforesaid goods being in class 7

Tools for drilling, boring, reaming, cutting, sawing, and chiselling, and bits and blades used therefor, parts and fittings thereof; all the aforesaid goods being in class 8

Apparatus and instruments for sensing, measuring, surveying, signalling, checking, recording, calculating, all for use in well and mining exploration, drilling, exploitation and maintenance