Drill Collar
Usage :
One of the most important components of the drill string is to provide drilling bit of pressure and the drill string rigid role.
Standard :
API 7, API 7-1 and SY/T standards.
Material :
AISI 4145 H 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 Slick and Spiral drill collars made of AISI 4145 H
OD Range Yield Strength(MPa) Tensile Strength(MPa) Elongation
(%) Hardness
(HB) Impact Test(J)
mm in
79.4～171.4 31/8～63/4 ≥758 ≥965 ≥13 285～341 ≥54
177.8～279.4 7～11 ≥689 ≥930 ≥13 285～341 ≥54
Mechanical Property of Non-mag Drill Collars
OD Range Yield Strength(MPa) Tensile Strength(MPa) Elongation (%) Hardness
(HB) Impact Test(J)
mm in
79.4～171.4 31/8～63/4 ≥758 ≥827 ≥18
177.8～279.4 7～11 ≥689 ≥758 ≥20
Другие товары поставщика
|
|
Elevators |
Elevators
DDZ Elevators
Center Latch Elevators are suitable for handling 18°taper shoulder drill pipe, drilling tools and etc. The elevators are ... |
|
|
Junk Mills |
The junk mill are designed to mill away metal objects, such as alloy-steel packers, squeeze tool, perforating guns, drill pipe, tool joints, reamer... |
|
|
Pipe fittings |
Tee joints(including straight tee joints and reducing tee joints)
Nominal diameter Wall thickness Steel Grade
250~1500 10~120 X80 and below
Elbo... |
|
|
Safety Clamps |
Safety Clamps are the essential hold-up device for drilling string and drill tools. When adjusting the working range, it only needs to reassemble c... |
|
|
Rotary Reamer |
Introduction:
Rotary Reamer is designed for various reams in drilling operation. Especially it can perform the double functions of centralization ... |
Все товары поставщика
Похожие товары
