Drill Stem Sub, Non-Magnetic Sub
Product Details:
| Use | Well Drilling |
|---|---|
| Machine Type | Drilling Tool |
| Material | 4145H |
| Processing Type | Forging |
| Certification | API |
| Type | Drill Stem Sub |
| Model Number | API |
| Place of Origin | Henan, China |
Payment & Shipping Terms:
| Minimum Order Quantity: | 10 Piece/Pieces Per Order |
|---|---|
| Packaging Details: | nude packing, wooden case packing or per order |
| Delivery Time: | 30 days |
| Payment Terms: | L/C,T/T |
| Supply Ability: | 600 Piece/Pieces per Month |
Detailed Product Description
Drill stem sub is the essential part during the drilling operation of petroleum, natural gas and geology exploration. It is one of the main parts of drill stem. It performs the function of connecting and switching in drills of different specifications.
We manufacture all the four types of subs. Drill stem sub is made from AISI4145H chrome-molybdenum alloy steel. The content of microelement is effectively controlled. Special heat treatment and ultrasonic non-damage inspection are applied. Therefore, our drill-stem sub has the advantages of high strength, pretty toughness, long life, and so on. The surface of connector thread has been phosphorized or copperized, which makes its anti-buckle performance excellent. Its mechanical properties have met the standard of API Spec7.
API Drill Stem Subs | |||
Type | Class | Upper connection to assemble with | Lower connection to assemble with |
A or B | kelly sub | kelly | tool joint |
A or B | tool joint sub | tool joint | tool joint |
A or B | crossover sub | tool joint | drill collar |
A or B | drill collar sub | drill collar | drill collar |
A or B | bit sub | drill collar | bit |
C | swivel sub | swivel stem | kelly |
D | lift sub | elevator | drill collar |
Drill Stem Sub, Non-Magnetic Sub
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Company Info
Norce Drilling & Rolling Co., Ltd.
[China]
[Verified Member]
City: Jiyuan
Country/Region : China
Business Type:Manufacturer, Trading Company
Online Postings: Products