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Help CenterNew Products Heavy Weight Drill Pipe Made in China
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Products Features
- High quality raw material and advanced heat treatment make the products higher hardness and toughness. Especially it has higher low temperature toughness.
- Smoother and longer upset taper length and high performance pipe extends the drill pipe’s service life.
- Meet or exceed API SPEC 5DP, API SPEC 7-2, and API RP 7G requirement.
- dopt complete advanced testing method and strict quality control to ensure the high quality and stable performance products.
- Holding advanced technology, high –end product R&D capabilities and senior technical workers, we can provide customers special requirement products.
Heavy weight drill pipe specifications
Nominal Size | pipe body | Tool Joint | Single Weight kg|piece | ||||||
OD mm | ID mm | Upset Diameter | RSC Type | OD mm | ID mm | HSC Bevel Diameter mm | |||
| End Dia. mm | ||||||||
3 1/2 | 88.9 | 57.4 | 101.6 | 98.4 | NC38 | 127 | 52.4 | 116.3 | 312 |
| 3 1/2 | 88.9 | 57.2 | 101.6 | 98.4 | NC38 | 127 | 57.2 | 116.3 | 282 |
| 4 | 101.5 | 65.1 | 114.3 | 106.4 | NC40 | 133.4 | 65.1 | 127.4 | 370 |
| 4 1/2 | 114.3 | 69.9 | 127 | 119.1 | NC46 | 158.8 | 69.9 | 145.3 | 558 |
| 5 | 127 | 76.2 | 139.7 | 130.2 | NC50 | 168.3 | 76.2 | 154 | 672 |
| 5 1/2 | 139.7 | 92.1 | 152.4 | 144.5 | 5 1/2FH | 184.2 | 92.1 | 170.7 | 776 |
| 6 5/8 | 168.3 | 114.3 | 184.2 | 176.2 | 6 5/8FH | 203.2 | 144.3 | 195.7 | 964 |
Workshop
Certificate
Shandong Mingzhu Petroleum Equipment Co., Ltd. is a professional petroleum equipment manufacture enterprise, which integrates R & D with production, sales and service. It is located in the beautiful Yellow River estuary where is called “Oil City”- Dongying, Shandong. It covers an area of 500 acres; a total construction area is 210,000 square meters; total investment reach 1.06 billion Yuan. We are mainly engaging in production and sales of oil, gas and non-excavation drill string etc.; our products mainly include drill pipe, tubing, casing, drill collar, heavy weight drill pipe, Kelly and other parts.
International advanced manufacture facilities and production technology was adopted in our factory. We hold one advanced pipe-end upset line; one pipe heat treatment line; two friction welding lines with two sets of inertia friction welding machines made by MTI; one set of tubing and casing production line; one drill collar production line. The annual output of drill pipe reaches 50,000 tons; drill collar reachs 5000 pieces; various oil well pipes reach more than 100,000 tons.
Process flow is strictly controlled in accordance with the requirement of API Q1 quality management system. We establish a set of control system which includes raw material inspection control, production process flow control, products parameter control, semi-finished and finished products transfer control. We have equipped with the most advanced automatic ultrasonic testing, magnetic particle testing, and magnetic flux leakage testing equipment. Our physical chemistry laboratory has the most complete sets of physical and chemical quality testing equipment, including tensile testing machine, hardness testing machine, impact testing machine, and imported metallographic analysis inspection machine for chemical composition test.
We set special R & D center in our company and have strong teams with dozens of senior engineer, general engineer, senior technician and many skilled workers. Our experts focus their effort s on R & D of product performance and new material to make products be more resistant to torsion and sulfur. We are always insisting that survive by quality, develop by credibility. We have received the following certificates: AP1 Q1, API SPEC 5DP, API SPEC 5CT, API APEC 7-1, ISO/TS 29001, ISO 9001, ISO 14001, OHSAS 18001 and HSE standard certificates awarded by CNPC and Sinopec. Shandong mingzhu would work with our clients all over the world to create a better prospect of business.
We will continue to R & D to enhance production capacity with the growing good reputation in the petroleum equipment market. We shall satisfy you with good quality, favorable credit and satisfactory service by the first-class management, first-class talent, first-class equipment, first-class process, and first-class quality.
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