Drill Collar | ||||||||||||||||||||||||||||||||||||||||||||||
Источник: LONGER | [ 2013-09-12 ] Просмотров: 5905 | ||||||||||||||||||||||||||||||||||||||||||||||
Standard :
API SPEC 7-1
Material :
AISI 4145 H Alloy Steel or Non-magnetic material.
Types:
Slick drill collars / Spiral drill collars / Non-mag material drill collars
Size :
OD : 3 1/8"---11", Length : 10'---31'
Mechanical Property:
Mechanical Property of Non-mag Drill Collars
Note: When ordering or requesting for quote, please specify the detailed requirements.
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