Home > Products > Drilling Tools > API 7-1 Integral Heavy Weight Drill Pipe
API 7-1 Integral Heavy Weight Drill Pipe
- 10000 Ton / Tons per Month
- chinese port
- T/T
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Product Details
Condition | New | CNC or Not | Normal | |
Place of Origin | Shandong, China | Brand Name | SINOTAI | |
Model Number | Spiral drill |
standard package
Product Description
Specifications
1. Integral Heavy Weight Drill Pipe2. API 7-1
3.full size:3 1/3"~6 5/8"
The wall thickness of heavy weight drill pipe is between drill pipe and drill collar, its structure is similar with drill pipe. It is made from premium alloyed steel. Its both tool joints and middle upset are welded hard bands. Technical parameters meet with API Spec7-1 Standard.
size | OD | ID | Tool joint OD | Tool joint ID | Thread type | Max. elevator diameter | Central upset diameter | Min. drift diameter size |
3 1/2 | 3 1/2 | 2 1/4 2 1/16 | 4 3/4 (4 7/8, 5) | 2 1/4 2 1/16 | NC38 | 3 7/8 | 4 | 2 2 13/16 |
4 | 4 | 2 1/2 2 9/16 | 5 1/4 | 2 1/2 2 9/16 | NC40 | 4 3/16 | 4 1/2 | 2 1/4 2 5/16 |
4 1/2 | 4 1/2 | 2 11/16 2 3/4 2 13/16 | 6 1/4 | 2 11/16 2 3/4 2 13/16 | NC46 | 4 11/16 | 5 |
|
5 | 5 | 3 | 6 5/8 | 3 | NC50 | 5 1/8 | 5 1/2 |
|
5 1/2 | 5 1/2 | 3 1/4 3 3/8 3 7/8 4 | 7 (7 1/4, 7 1/2) | 3 1/4 3 3/8 3 7/8 4 | 5 1/2 FH | 5 11/16 | 6 |
|
6 5/8 | 6 5/8 | 4 4 1/2 5 | 8 (8 1/4, 8 1/2) | 4 4 1/2 5 | 6 5/8 FH | 6 15/16 | 7 1/8 |
|
Company Profile

As a professional supplier of OCTG, drilling equipment and workover service, Sinotai Petroleum Equipment Co., Ltd. lies in the production base of petroleum equipment and China's second largest oil field --Shengi Oilfield. Our company is a high-tech enterprise in Dongying City with business scope covering the sale, trading, post-sale service and technological development of a wide variety of petroleum equipment. Besides OCTG, we provide our customers with other drilling and oil recovery equipment like fishing tools, cementing tools, workover rigs, pumping units and OCTG accessories. The striving target of our company is "Prestige first, Quality supreme; The shortest delivery time, The lowest price, The best quality". Customers' needs are our first priority and customer satisfaction is the bottom line by which we measure our success.
Contact Us
- Sinotai Petroleum Equipment Co., Ltd.
- Contact nameHerish Kuo Chat Now
- Phone86-546-8300512
- AddressNo. 107, Bldg. 45, Gaoerfu, Wanda, Dongcheng
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