07
Mechanical downhole equipment for plug and abandonment of
wells; apparatus and instruments for perforation, washing,
cleaning, cement plugging, replacing cement plugs, drilling
and logging of wells; perforating machines for industrial
use; apparatus and instruments for squeezing cement into
perforations; apparatus and instruments for milling casing
or liner; apparatus and instruments for perforation;
apparatus and instruments for washing and cleaning
perforated zones in wells; apparatus and instruments for
cement plugging; apparatus and instruments for replacing
cement plugs; apparatus and instruments for drilling;
apparatus and instruments for logging annular cement; parts
and fittings for all aforementioned goods; swab cups for use
in an apparatus or instrument for perforation, washing,
cleaning, cement plugging, replacing cement plugs, drilling
and logging of wells; swab cups for use in an apparatus or
instrument for washing and cleaning wells; perforating guns
machine
37
Plugging and abandonment of wells; drilling of oil and
gas-wells; drilling of wells; installation and maintenance
of oil installations; underwater reparation, namely, plug
and abandonment of wells; perforating, washing, cleaning,
cementing, plugging, isolating and abandonment of wells;
rental of mechanical downhole equipment for perforation,
washing, cleaning, cementing, plugging and abandonment of
wells; conducting, supervising and consulting in relation to
the aforementioned services
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