Home > Products > Drilling Tools > API Tri-spiral Integral heavy weight drill pipe
API Tri-spiral Integral heavy weight drill pipe
- 3000 Ton / Tons per Month
- shanhai or qingdao
- T/T
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Product Details
| Place of Origin | Shandong, China | Brand Name | Sinotai | |
| Model Number | intergal | Type | Drill Pipe | |
| Machine Type | Drilling Tool | Certification | API | |
| Material | Carbon Steel | Processing Type | Casting | |
| Use | Well Drilling |
bundles ,All connections shall be equipped with pressed steel or plastic steel thread protectors
Product Description
Specifications
spiral heavy weight drill pipe:1.API standard
2. AISI 4142H - 4145H alloy structural steel
Integral heavy weight drill pipe
Features:
Made of AISI 4142H - 4145H alloy structural steel.
Production complies with the provisions under the Standard SY/T 5146-1997. Connector screws comply with the provisions of the Standard API SPEC 7.
Heavyweight drill pipe is a kind of drilling tool of medium weight which is similar to the drilling rod. Its wall thickness is greater than that of the drill rod but smaller than that of the drill collar.
The prolonged tool joint is linked to the pipe with thick walls. Generally, it is placed between the drill rod and the drill collar during the formation of the drilling string to prevent the unexpected change in the section of the drill string and reduce fatigue of the drill rod.
It can be used for directional well drilling, to work quickly when the torque is rather low in order to cut wear and damage of drilling string. As its steel performance is lower than that of the drill collar and the contact area on the well wall is small, differential pressure jamming is rare.
Specifications :
Size | Outside Diameter | Inside Diameter | Connection | Body | Single of Weight kg | ||||||||||
Type | Outside Diameter |
| Bevel edge of pin and box shoulder DF mm | Upset Section Size | |||||||||||
mm | in | mm | in | mm | in | Central Section DF mm | End Section B mm | ||||||||
I type (single length is 9300mm) | |||||||||||||||
55-5 1/2FH- | 139.7 | 5 1/2 | 92.1 | 3 5/8 | 5 1/2FH | 177.8 | 7 | 170.7 | 152.4 | 144.5 | 730 | ||||
50-NC- | 127.0 | 5 | 76.2 | 3 | NC50 (4 1/2IF) | 165.1 | 6 1/2 | 154.0 | 139.7 | 130.2 | 700 | ||||
45-NC46- | 114.3 | 4 1/2 | 71.4 | 2 13/16 | NC46(4IF) | 158.8 | 6 1/4 | 145.3 | 127.0 | 117.5 | 585 | ||||
35-NC38 | 88.9 | 3 1/2 | 52.39 | 2 1/16 | NC38 | 120.7 | 4 3/4 | 116.3 | 101.6 | 92.1 | 370 | ||||
II type (single length is 13500mm) | |||||||||||||||
J50-NC50- | 127.0 | 5 | 76.2 | 3 | NC50(41/2IF) | 165.1 | 6 1/2 | 154.0 | 139.7 | 130.2 | 945 | ||||
45-NC46- | 114.3 | 4 1/2 | 71.4 | 2 13/16 | NC46(4IF) | 158.8 | 6 1/4 | 145.3 | 127.0 | 117.5 | 790 | ||||
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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