Drill collar Spiral Drill Collar Spiral Drill Collar is used to reduce contact area with hole so as to avoid efficiently bit sticking from differential pressure. Our spiral drill collars are manufactured strictly according to API Spec7-1 and Standard SY51

Price:

nego

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Origin:

China

Payment Method:

Cashier Order

Quantity:

limited

Pack. & Delivery:

dus

Drill collar
Spiral Drill Collar
Spiral Drill Collar is used to reduce contact area with hole so as to avoid efficiently bit
sticking from differential pressure. Our spiral drill collars are manufactured strictly
according to API Spec7-1 and Standard SY5144.

contact :
Mr.Lili
saleskehan@ gmail.com
sianipar.lili@ gmail.com
081807489548
021 92935340

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