The Division
of Petroleum Maintenance takes in charge :
Equipment renovation and drilling camp,
Cold and
domestic appliances renovation,
The manufacturer
and conditioning of spare parts,
Area intervention
:
Prevention and security at the well
Regulation measures
Welding works for high pressure pipeline, mud and
water circuit and mat stump of drilling appliances
From 1991 up to the end of 2005, ENTP has renovated 24 drilling appliances by proper means as follow
Infrastructures :
The division has got 14 work shops with modern equipment,
situated at Hassi-Messaoud which occupies covered area
of 9750 m2 and non covered area of 49800 m2, like as for
(04) airs of assembling drilling renovated appliances.
The Division
of Petroleum Maintenance takes in charge :
Equipment renovation and drilling camp, 
Prevention and security at the well
Infrastructures :