Hand held and mounted drills however powered; drill guides; drill depth gauges; and all other accessories for drills included in this class

Core bits (machine tools); Apparatus for drilling wells; Apparatus for use in drilling; Drill bits for machines; Drilling hammers; Drilling machines; Drilling bits (parts of machines); Drilling heads (parts of machines); Drilling rigs (floating or non-floating); Drilling rods; Oil drilling rigs; Oil drilling tools

Drilling; Drilling of deep oil or gas wells; Drilling of wells; Oil drilling; Rock drilling

Apparatus for drilling wells; Apparatus for use in drilling; Drilling hammers; Drilling rods; Drilling rigs (floating or non-floating); Drilling rigs for drilling off-shore wells; Drilling machines; Oil drilling rigs; Oil drilling tools; Drilling bits (parts of machines); Drilling heads (parts of machines); Core bits (machine tools)

Drilling; Drilling of deep oil or gas wells; Drilling of wells; Oil drilling; Rock drilling

Drilling rigs; Drilling rods; Drilling hammers; Oil drilling rigs; Drilling machines; Core drilling bits; Oil drilling tools; Apparatus for drilling wells; Apparatus for use in drilling

Drilling; Oil drilling; Rock drilling; Well drilling; Drilling of wells; Oil well drilling; Water well drilling; Oil and gas drilling; Drilling of deep oil or gas wells; Cementing services for oil and gas wells; Oil and gas industrial machine cleaning services; Consulting services in the field of offshore oil and gas facility construction; Construction services, maintenance services and construction project management services in the oil and gas fields; Drilling equipment manufacturing and services; Drilling maintenance