Brand New! API 5DP Oil drill rig pipe
- Tianjin
- T/T
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Product Details
Thickness | 7.11, 9.19 | |||
Section Shape | Round | Outer Diameter | 60.3 - 168.3 mm | |
Place of Origin | China | Secondary Or Not | Non-secondary | |
Application | Drill Pipe | Certification | API | |
Surface Treatment | Other | Special Pipe | API Pipe | |
Alloy Or Not | Non-alloy |
Standard or as your requirements
Product Description
API 5DP Oil drill pipe
Brief Introduction:
- We provide a complete line of drill string products, including a full range of jointed drill pipe in nominal sizes from 2-3/8” to 6-5/8” and in a wide range of wall thicknesses.
- Our drill pipe with a strict quality control regimen from initial materials selection to final inspection, we ensure that each joint of drill pipe meets your needs for durability and performance.
We can supply all kinds of drill pipes according to API SPEC 5DP or SY.
Drill pipes can be made as customers' requirements and be equipped with the same type of tool joints.
Quality control:
- Advanced drill pipe production lines can transfer the welding parameters to the best position to ensure the quality of welding zone;
- The heat treatment process with the feature of internal and external cooling at the same time can make a more reliable and stable mechanical character.
- Application of automatic weight, length measurement and automatic spray records can ensure products' traceability.
- Application of thickening and heating lines and 1250 tons of upsetting machine can ensure the thickening size meet the standard of API SPEC 5DR Using of CN furnace for whole pipe body heating and quenching, tempering machine's advanced heat treatment process can ensure the pipe's mechanical character.
- Tube hydraulic straightening machine ensures the straightness and coaxiality of pipe body.
Standard drill pipe specifications
Spec | OD of pipe body | Wall thickness of drill pipe | OD of welding neck | Tool joint | RSC chamfer diameter | Approximation quality | |||||||
OD | ID of male thread | lenght of male thread's OD | lenght of female thread's OD | ||||||||||
NO.1 | NO.1 | grade | upset | RSC | Ddp mm | t mm | Dteb mm | D mm | dp mm | Lpb mm | Lb mm | Df mm | Wdp kg/m |
A.2 | -12.5% | MAX | ±0.8 | +0.4 -0.8 | ±6.4 | ±6.4 | ±0.4 | Calculated | |||||
4 | 14.00 | E | IU | NC40 | 101.60 | 8.38 | 106.4 | 133.4 | 71.4 | 177.80 | 254.00 | 127.40 | 22.42 |
S | 68.3 | 22.76 | |||||||||||
G | 139.7 | 61.9 | 23.61 | ||||||||||
D | 50.8 | 24.03 | |||||||||||
4-1/2 | 13.75 | E | NC46 | 114.30 | 6.88 | 119.1 | 152.4 | 85.7 | 145.26 | 22.50 | |||
2-3/8 | 6.65 | E | EU | NC26 | 60.32 | 7.11 | 65.1 | 85.7 | 44.5 | 203.20 | 82.90 | 10.45 | |
X,G | 65.1 | 10.58 | |||||||||||
2-7/8 | 10.40 | E | NC31 | 73.02 | 9.19 | 81.0 | 104.8 | 54.0 | 228.60 | 100.41 | 16.25 | ||
X,G | 50.8 | 16.50 | |||||||||||
S | 111.1 | 41.3 | 17.19 | ||||||||||
3-1/2 | 9.50 | E | NC38 | 88.90 | 6.45 | 98.4 | 120.7 | 68.3 | 203.20 | 266.70 | 116.28 | 15.77 | |
13.30 | E | 9.35 | 20.77 | ||||||||||
X | 65.1 | 21.76 | |||||||||||
G | 61.9 | 21.90 | |||||||||||
S | 54.0 | 22.22 | |||||||||||
13.50 | E | 11.40 | 65.1 | 24.67 | |||||||||
X | 61.9 | 25.07 | |||||||||||
G | 54.0 | 25.38 | |||||||||||
S | NC40 | 139.7 | 57.2 | 266.70 | 127.40 | 26.19 | |||||||
4 | 14.00 | E | NC46 | 101.60 | 8.38 | 114.3 | 152.4 | 82.6 | 177.80 | 254.00 | 145.26 | 23.67 | |
X,G | 24.12 | ||||||||||||
S | 76.2 | 24.46 | |||||||||||
4-1/2 | 13.75 | E | NC50 | 114.30 | 6.88 | 127.0 | 168.3 | 95.3 | 153.99 | 23.65 | |||
16.60 | E | 8.56 | 27.51 | ||||||||||
X,G | 28.07 | ||||||||||||
S | 88.9 | 28.47 | |||||||||||
20.00 | E | 10.92 | 92.1 | 32.93 | |||||||||
X,G | 88.9 | 33.63 | |||||||||||
S | 76.2 | 34.34 | |||||||||||
E | IEU | NC46 | 8.56 | 119.1 | 82.6 | 145.26 | 27.36 | ||||||
X,G | 158.8 | 76.2 | 27.73 | ||||||||||
S | 69.9 | 28.04 | |||||||||||
E | 10.92 | 76.2 | 32.94 | ||||||||||
X | 69.9 | 33.69 | |||||||||||
G | 63.5 | 33.97 | |||||||||||
S | 57.2 | 34.23 | |||||||||||
5 | 19.50 | E | NC50 | 127.00 | 9.19 | 130.2 | 168.3 | 95.3 | 153.99 | 31.79 | |||
X | 88.9 | 32.58 | |||||||||||
G | 82.6 | 32.95 | |||||||||||
S | 69.9 | 33.60 | |||||||||||
E | 5(1/2)FH | 177.8 | 95.3 | 203.20 | 170.66 | 33.22 | |||||||
X,G | 33.61 | ||||||||||||
S | 184.2 | 88.9 | 34.89 | ||||||||||
25.60 | E | NC50 | 12.70 | 168.3 | 177.80 | 153.99 | 40.73 | ||||||
X | 138.6 | 76.2 | 41.80 | ||||||||||
G | 168.3 | 69.9 | 42.11 | ||||||||||
E | 5(1/2)FH | 177.8 | 88.9 | 203.20 | 170.66 | 42.14 | |||||||
X | 42.51 | ||||||||||||
G | 184.2 | 43.35 | |||||||||||
S | 82.6 | 43.75 |
Tensile performance parameters
Grade | Yield strength | Tensile strength | |||||
min | max | min | |||||
Psi | Mpa | Psi | Mpa | Psi | Mpa | ||
1 | E-75 | 75.000 | 517 | 105.000 | 724 | 100000 | 689 |
2 | X-95 | 95.000 | 655 | 125.000 | 862 | 105000 | 724 |
G-105 | 105.000 | 724 | 135.000 | 931 | 115000 | 793 | |
S-135 | 135.000 | 931 | 165.000 | 1138 | 145000 | 1000 |
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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