API SPEC 7-1 Drill Collar with High Quality

Product Description:

It’s one of the most important elements of drill stem. It can provide drilling pressure to the bit and improve drill stem rigid.

Specifications:

1 ,Standard:API SPEC 7-1.API SPEC 7-2

2,Certificate: API 5DP, API Q1, ISO 9001, ISO 29001

3,OD:4 1/8” to 9”or 104.8mm to 228.6mm

Products Features :

1,  Effectively control the trace element of the material which was selected with high quality and unique method.

2,  Adopt/ special intermediate frequency heat treatment method and advanced ultrasonic

3,  Magnetic particle inspection method and holding higher mechanical property.

According to the shape and material drill collar was divided into three forms:

1. Type A (cylindrical): To be made of ordinar

y alloy steel, with circular cross section inside and outside the drill collar.
2. Type B (Spiral): To be made of ordinary alloy steel, with spiral grooves on the outer surface of drill collar.
3. Type C (Nonmagnetic): To be made of low magnetic permeability alloy steel,with circular cross section inside and outside the drill collar.

Main Parameters:

Our Services: 

We have special service team which will offers you professional guidance:
1.Low maintenance cost, high efficiency. Minimizing downtime of the equipment.
2.Planned maintenance budget.Maintenance plans are designed according to the customers' different requirements.Providing dedicated and experienced maintenance technicians.
3.Our sales team will response for your question within 24 hours(holidays excluded)
4.Technical support will be available in any time. Providing dedicated and experienced maintenance technicians.
5.Quality Control:
1)We have our own experienced QC
2)There will be strict inspection and testing for every order before shipping out.
6.After-sale Service:
1)Quality Guarantee:12 months from delivery date(quick-wear part except)
2)For warranty repair/ replacement, user should send defective items back then supplier re-supply the same to user within assurance period for free(user in charge of freight fee)

Drill Collar Parameters:

Drill Collar Processing Workshop And Processing Equipments:

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Physical and Chemical Test:

Products Details:

Certificate:

Exhibition and Cooperation:

Our Company:

  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.

Contact:

Shandong Mingzhu Petroleum Equipment Co., Ltd. 
Address: East of Shengxing Road, Kenli County Economic Development Zone, Dongying City, Shandong Province

International Business Department:
Tel: +86-546-2881368

Fax: +86-546-2881378

Mob: +86 18562089062

 Web: