06
Pipes, pipe work and tubes of metal, metal products, liners
and casings for use in oil, gas and water wells and
boreholes; down hole tools; sleeves; sliding sleeves; well,
well bore and borehole liners and casing; subs; down hole
subs; metal hardware for use in the construction,
maintenance and repair of, and intervention in, oil, gas,
condensate and water wells, well bores and boreholes; slips;
pipe clamps; plugs; wiper plugs; manifolds; drill collars;
pipe protectors; drill pipe protectors; packer retrieving
tools; valves; blow-out preventers; gate valves; chokes;
check valves; diverter valves, Kelly valves; safety valves;
float valves; parts, fittings and accessories for the
aforesaid goods
07
Articles, tools, machines and apparatus for drilling,
completing and producing fluids from oil, gas, condensate
and water wells, well bores and boreholes and for
intervention in wells, well bores and boreholes; articles,
tools, machines and apparatus for use in drill, completion,
intervention and production strings; articles, tools,
machines and apparatus for cementing oil, gas, condensate
and water wells, well bores and boreholes; battery-operated
down hole tools; down hole cementing tools; flow control and
flow circulation tools; subsurface valves; well heads; valve
assemblies; hydraulic circulation valves; circulation
valves; packers; intervention packers; permanent packers;
packers actuated by electrical submersible pumps (ESP);
retrievable packers; pocket packers; cased hole packers;
open hole packers; subs; down hole subs; spacer subs;
straddles; gas lift straddles; perforation cleanup
straddles; setting tools; non-explosive setting tools;
motorized setting tools; hangers; intervention hangers;
suspension hangers; retrievable hangers; plugs; hanger
plugs; bridge plugs; high pressure plugs; slips; mechanical
slips; hydraulic slips; chokes; variable chokes;
hydraulically-operated chokes; parts, fittings and
accessories for the aforesaid goods
20
Non-metal plugs for use within the oil industry
37
Building construction; repair services; installation
service, namely drilling of wells for exploitation of oil
and natural gas
42
Scientific and technological services and research and
design relating thereto; industrial analysis and research
services; analysis for oil-field exploitation; oil-well
controlling; geological surveys; engineering services;
oil-field surveys; oil exploration
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