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
Other supplier products
|
|
Drill Pipe |
Standard: API 5D
Specification: OD: 2 3/8”-6 5/8”
Steel Grade: E75, X95, G105, S135
Internal Coating: TK34, TC2000, TC3000
Hardbanding: ARNCO 1... |
|
|
Derrick (Mast) |
Derrick is divided into A, K, the tower type, masts and other types of packages.
1. A cross-section of a derrick thigh, such as rectangular or tr... |
|
|
Pipe fittings |
Pipe fittings(Tee joints, elbows, pipe caps, reducers)
Tee joints(including straight tee joints and reducing tee joints)
Nominal diameter Wall thi... |
|
|
Downhole Motor |
Downhole Motor
Downhole motor is a kind of downhole dynamic drilling tool upon the power of drilling mud. Mud stream from the outlet of mud pump f... |
|
|
DDZ Elevators |
Elevators
DDZ Elevators
Center Latch Elevators are suitable for handling 18°taper shoulder drill pipe, drilling tools and etc. The elevators are ... |
All supplier products
Same products
|
|
How Blade Design Supports Efficient Surface Removal |
Seller: Zhejiang Pujiang Sanjian Tools Co., Ltd. |
Designed for floor renovation, adhesive removal, paint scraping, and surface preparation, OEM Flo... |
|
|
How Wire Material Affects Cleaning Performance |
Seller: Zhejiang Pujiang Sanjian Tools Co., Ltd. |
Designed for stainless steel surface cleaning, weld residue removal, rust-free surface preparatio... |
|
|
Us Tech Roots Blower (M Series) |
Seller: Greentech Industry (Jinan) Co., Ltd |
Greentech International (Zhangqiu) Co., Ltd is the professional roots blower supplier. Series M R... |
|
|
Us Tech Roots Blower (M Series) |
Seller: Greentech Industry (Jinan) Co., Ltd |
Greentech International (Zhangqiu) Co., Ltd is the professional roots blower supplier. Series M R... |
|
|
Practical Brush Options for Workshop Applications |
Seller: Zhejiang Pujiang Sanjian Tools Co., Ltd. |
Designed for rust removal, surface cleaning, deburring, and metal finishing, the Steel Wire Brush... |
