Drill Collar
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
|
|
Fishing Jar |
Super Fishing Jar Type CSJ
This is a hydraulic jar with the characteristics of compact structure, reliable seal, high strength and optimum up jarr... |
|
|
Mud Pump |
Triplex Mud Pump
F Series Triplex Mud Pump is designed according to Emsco F series mud pump, its expendable parts at the fluid end are interchangea... |
|
|
Rotary Table |
Design Features：
Gear and pinion are made of alloy steel
Split main bushing is steel cast. Kelly drive and slip drive are available for choose.
... |
|
|
Traveling Block & Hook |
Design Features：
The housing assembly is made of thick section steel plate to provide enough weight.
The wire line is kept taut when hoisting or ... |
|
|
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... |
Все товары поставщика
Похожие товары
