Home > Products > Drilling Instrument > High Quality API NS-1 Non-Magnetic Drill Collar
High Quality API NS-1 Non-Magnetic Drill Collar
- 1000 Piece / Pieces per Month
- main port
- T/T
- API-7-1 Standard single cone drill bit
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Product Details
Place of Origin: | China | Brand Name: | GM | Type: | Drill Collar |
Machine Type: | Drilling Tool | Certification: | API | Processing Type: | Casting |
Use: | Well Drilling |
Product Description
Specifications
API 7-1 Non-Magnetic Drill CollarNS-1 Drill Collar
Material:AISI4145Hmod or Non-magnetic.
High Quality API NS-1 Non-Magnetic Drill Collar
Description:
1. Material: High Quality API NS-1 Non-Magnetic Drill Collar 4145H/4145Hmod or Non-magnetic.
2. Standard: API7-1, NS-1.
A. Slick Drill Collar
Note: Drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track by large rigidity. The Drill collar are manufactured strictly from API Spec7-1 and SY5411 standard.
B. Spiral Drill Collar
Note: Spiral drill collar is used to reduce contact area with hole so as to avoid efficiently bit sticking from diffirential pressure. The drill collars are manufactired strictly according to API Spec7-1 and Standard SY5144.
C. Spiral Drill Collar With Elevator Groove And Slip Groove
Note: Elevator groove and slip groove made on box thread face of slick drill collar or spiral drill collar can be used as lifting sub and safety slip when trip out. The technical parameters for elevator groove and slip groove is as per API SPEC7-1. Hardbanding is optional at customers’ requests.
D. Non-magnetic Drill Collar
The as cold rooled finish on both ID and OD surface with unique technical process strengthen the structure and ensures the tools with optimal resistance to stress,corrosion,cracking and the mechanical performance is greatly enganced.
High Quality API NS-1 Non-Magnetic Drill Collar
Connections | OD mm | ID mm | Length mm | |
NC23-31 | 79.4 | 31.8 | 9150 |
|
NC26-35 | 88.9 | 38.1 | 9150 |
|
NC31-41 | 104.8 | 50.8 | 9150 or 9450 |
|
NC35-47 | 120.7 | 50.8 | 915 or 9450 |
|
NC38-50 | 127.0 | 57.2 | 9150 or 9450 |
|
NC44-60 | 152.4 | 57.2 | 9150 or 9450 |
|
NC44-60 | 152.4 | 71.4 | 9150 or 9450 |
|
NC44-62 | 158.8 | 57.2 | 9150 or 9450 |
|
NC46-62 | 158.8 | 71.4 | 9150 or 9450 |
|
NC46-65 | 165.1 | 57.2 | 9150 or 9450 |
|
NC46-65 | 165.1 | 71.4 | 9150 or 9450 |
|
NC46-67 | 171.4 | 57.2 | 9150 or 9450 |
|
NC50-67 | 171.4 | 71.4 | 9150 or 9450 |
|
NC50-70 | 177.8 | 57.2 | 9150 or 9450 |
|
NC50-70 | 177.8 | 71.4 | 9150 or 9450 |
|
NC50-72 | 184.2 | 71.4 | 9150 or 9450 |
|
NC56-77 | 196.8 | 71.4 | 9150 or 9450 |
|
NC56-80 | 203.2 | 71.4 | 9150 or 9450 |
|
6 5/8REG | 209.6 | 71.4 | 9150 or 9450 |
|
NC61-90 | 228.6 | 71.4 | 9150 or 9450 |
|
7 5/8REG | 241.3 | 76.2 | 9150 or 9450 |
|
NC70-97 | 247.6 | 76.2 | 9150 or 9450 |
|
NC70-100 | 254.0 | 76.2 | 9150 or 9450 |
|
8 5/8REG | 279.4 | 76.2 | 9150 or 9450 |
Contact Us
- Goldenman Petroleum Equipment Co., Limited
- Contact nameJane Qi
- Phone0086-546-8058559
- AddressNo. 67, Fuqian Street, Dongying District
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