API Oilfield Drill Collar Lifting Sub - Alloy Steel Forged Components 73mm to 127mm Size Range
Price:
USD150-1000/pc
MOQ:
1 pc
Delivery Time:
20-30 days
Product Description
API Oilfield Drill String Lifting Sub Overview
Product Description
Lifting subs are specialized tools designed for lifting drill tools in petroleum, natural gas, and geological exploration industries. Available in two structural configurations: Type A with 18-degree shoulder and Type B with 90-degree shoulder. All lifting subs comply with API standards for quality and performance.
Manufacturing Specifications
- Material: Alloy steel construction
- Melting Process: EAF + LF + VD
- Machining Process: Forging + rough machining + heat treatment + finish machining
- Heat Treatment: Normalized / Annealed / Quenched / Tempered
- Quality Standards: API Spec 7-1 & ISO9001:2008
Technical Specifications
| No. | Nominal Size (mm/in) | ID (mm) | External Thread Connection | OD Dp (mm/in) | Bevelled DE (mm) | Tong Space LPB (mm) | DB (mm) |
|---|---|---|---|---|---|---|---|
| 1 | 73 (2 7/8) | 31.8 | NC23 | 79.4 | 76.2 | 250 | 111.1 |
| 2 | 44.5 | NC26 (2 3/8) | 88.9 | 82.9 | - | - | |
| 3 | 89 (3 1/2) | 54 | NC31 (2 7/8) | 104.8 | 100.4 | 127 | |
| 4 | 50.8 | NC35 | 120.7 | 114.7 | - | ||
| 5 | 68.3 | NC38 (3 1/2) | 127 | 121 | - | ||
| 6 | 127 (5) | 71.4 | NC44 | 152.4 | 144.5 | 168.3 |
Contact Information
Dongying OilMan Machinery Equipment Co.
Address: North Two Road, Dongying City, Shandong Province, China
Mobile/WhatsApp/WeChat: +86 13475294399
Email: christal@oilmancn.com
Address: North Two Road, Dongying City, Shandong Province, China
Mobile/WhatsApp/WeChat: +86 13475294399
Email: christal@oilmancn.com
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Dongying Oilman Machinery Equipment Co.,Ltd.
Location
www.oilmanchina.com
Contact Person
Christal