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Coiled tubing (CT) is also called flexible tube, serpentuator or pipe coil, compared with conventional thread joint oil tube. It is

one kind of drill tubing, winded in the spool, which may continuously go down the well or extracts from the coil well without

thread joint. The manufacturing method is ERW process, the normal single length of tube is about 5000m.


Standard: API SPEC 5CT   API SPEC 5B   ISO11960


Grade:

J55 L80-1 N80 C90 T95 P110

OD:

1.900''-4.500''

WT:

0.125''-0.630''

Alternative:

Seamless

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