API Casing Oil Drilling Straight Joint Coupling Lifting Sub Circulating Sub

• Customization: Available
• After-sales Service: Repair
• Warranty: One Year
• Model NO.: Sub
• Manufacturing Process: Forging
• Surface Treatment: Spray-Paint
• Operation Pressure: Atmospheric Pressure
• Material: Stainless Steel
• Certificate: API
• Connection: Nc, Reg, Fh, If
• Key Words: X-Over Sub,Lift Sub,Saver Sub
• Transport Package: Woodenbox
• Specification: customizable
• Trademark: TR
• Origin: Shandong Dongying
• HS Code: 84314310
• Production Capacity: 5000 PCS/Year

Product Description

Product Description

API casing oil drilling Straight joint coupling lifting sub circulating sub

       Rotary Subs are made from AISI 4145H modified quenched and tempered material. In addition, it is designed and manufactured according to API specifications as well as with API monogram. They can be used to crossover from connection size to another or as a disposable component used to extend the connection life of a more expensive drill stem member.

Straight subs	Used to connect drill stem members that have a similar OD.
Reduced-section sub	Used to connect drill stem members that have different diameters that warrant the cross-sectional change necessary to accommodate different connections
Saver sub	Used to extend the life of the rotary kelly by taking the connection wear each time it is made up to a drill stem component
Bit sub	Size availability ranges from 3 1/8" to 11" OD and 36" to 48" length
Lift sub	A lift sub enables the safe, efficient handling of straight OD tubular-such as drill collars, shock tools, jars, directional equipment, and other tools-by using the drill pipe elevators
Top drive sub	Top drive subs serve as the sacrificial element between the drill string and the top drive, reducing repair and maintenance costs

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Company Profile

 

       Dongying TIANRUI PETROLEUM Technology Co., Ltd., established in November 2003 and located in the Dongying Economic Development Zone, is an investment project in Dongying City.  It is mainly engaged in the research, design, manufacturing and technical services of oil drilling and workover tools.  The company consists of six departments and two workshops, namely the design department, the quality inspection department, the market operation department, the comprehensive department, the technical service department, the financial department, the processing workshop and the assembly workshop.  It possesses rich R & D and design capabilities as well as manufacturing capabilities in oil drilling and workover tools.

FAQ

 

1. How do we guarantee quality?
Pre-production samples are always available before mass production;
Always carry out final inspection before shipment;

2. What can you buy from us?
Aluminum plate, aluminum coil, aluminum foil, carbon steel, alloy steel, stainless steel, copper galvanizing, etc

4. What services can we provide?
Accepted delivery conditions: FOB, CIF, FAS, DDP, express;
Accepted payment currencies: US dollar, Australian dollar, Euro and RMB;
Payment types accepted: T/T, L/C, MoneyGram, credit card, PayPal, Western Union remittance, cash;

5.After-sales service: 24-hour online maintenance guidance service.

6.Language: English, Chinese and Other.