Drill Collar
Drill Collar
121 mm (4-3/4 in) O.D x 57 mm(2-1/4 in) I.D drill collars, 9.4 m (31 ft) length, slick (cylindrical), complete with slip recess & elevator recesses.
The drill collars shall be manufactured, inspected, and tested in accordance with and to meet API specification 7.
– Drill collar connection should be 3-1/2 inch IF. – Collars to be drift tested.
– Internal plastic coating to be checked for holidays.
– Collars to be cleaned, dried and weighed prior to shipment.
– Collars to be provided with Steel thread protectors
Description
Drill Collar
121 mm (4-3/4 in) O.D x 57 mm(2-1/4 in) I.D drill collars, 9.4 m (31 ft) length, slick (cylindrical), complete with slip recess & elevator recesses.
The drill collars shall be manufactured, inspected, and tested in accordance with and to meet API specification 7.
– Drill collar connection should be 3-1/2 inch IF. – Collars to be drift tested.
– Internal plastic coating to be checked for holidays.
– Collars to be cleaned, dried and weighed prior to shipment.
– Collars to be provided with Steel thread protectors
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