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
|
|
Grapple Releasing Spear |
Grapple Releasing Spear Type LM is a simply constructed and high strength fishing tool by which fishing job is performed through the interior bore ... |
|
|
Drill Pipe |
Drill Pipe
Standard: API 5D
Specification: OD: 2 3/8”-6 5/8”
Steel Grade: E75, X95, G105, S135
Internal Coating: TK34, TC2000, TC3000
Hardband... |
|
|
Crown Block |
The crown frame is made of high strength steel shapes.
Sheave grooves are hardened by medium frequency induction to provide extended service life.... |
|
|
Cementing tools |
---Casing centralizers
Standard:
Rigid casing centralizer: API Q1
Spring casing centralizer: API 10D
Specialty:
1. Adopt the design of the ge... |
|
|
Spider |
Spider
The Hinged Casing Spider
It has a hinged spider body with a split insert bowl. It is put above rotary table, can handle most casings of... |
All supplier products
Same products
