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  • Eagle Eyes CHINA Inspection Service (China): Eagle Eyes (CHINA) Quality Inspection Co.,Ltd. is a professional Third Party China Inspection company, offering...
  • Short Drill Conversion Joint Oilfield Connection Oil Pipe Reducing - China

    price: 385.00 Dollar US$

    Diameter: Common diameters range from 2-3/8 inches to 20 inches, accommodating both small and large wellbore sizes.

    - API Spec 5CT: Governs the specifications for casing and tubing used in oil and gas wells.

    - API Spec 5B: Covers the requirements for the threads used in casing and tubing.

    - ISO 11960: Specifies the requirements for steel pipes for use as casing or tubing for wells.

    - NACE MR0175/ISO 15156: Addresses materials for use in H2S-containing environments.

    8 - Conclusion

    Oil casing and tubing short joints play a vital role in the oil and gas industry, providing essential connections in drilling and production operations.

    Their specifications, materials, and manufacturing processes are designed to meet the rigorous demands of the industry, ensuring reliability and safety.

    By facilitating flexibility and cost savings, short joints are indispensable components that contribute to the efficiency and effectiveness of oil and gas extraction.

    As the industry continues to evolve, the importance of high-quality short joints will remain a critical factor in successful drilling operations.

    Copper Plating Services: We produce tens of thousands of special couplings annually.

    Oilfield Connection Oil Pipe Reducers: 35CrMo.

    We can process various types of oil pipe couplings: Specifications: 1.941/2 Thread Types: EUE (thickened), NUE (not thickened).

    Short Drill Pipe Conversion Joints: Oilfield connection oil pipe reducers 35CrMo, with specifications of 1.941/2 and various thread types.

    Variable Coupling Conversion Joints: Double male (PIN X PIN), one male and one female (PIN X BOX).

    Casing Couplings: Specifications: 41/2 to 20 inches.

    Thread Types: STC (Short Round Coupling), LTC (Long Round Coupling), BTC (Buttress Coupling).

    We can also customize various couplings and joints according to drawings.

    Standards: API5CT, API5L, API5B.

    Oil Pipe Specifications: 23/8” to 41/2”, with end processing types NUE and EUE.

    We can also process various sizes of oil casing short joints, double male short joints, reducer short joints, and conversion joints according to orders, ranging from 2FT to 20FT.

    Oil Casing Specifications: 41/2” to 20”, with thread types STC, LTC, BTC, etc.

    Materials: H40, J55, K55, N80, L80, C90, C95, T95, P110, Q125, 13Cr80, 13Cr110, Super 13Cr, etc.

    We always adhere to the principle of prioritizing people before tasks, insisting on equipment and scientific management as the foundation to provide customers with highquality products.

    With a complete marketing network and service system, we ensure satisfactory service for our customers.

    We look forward to working together to create brilliance!


    Company Contact:


    • Phone: +8618222899636

    • Address: No.17 Guanghai Road,Economic Development Area Jinghai District.Tianjin City., Tianjin , Tianjin , China

    • Email: Email


    Published date: April 29, 2025

    • Business Description: Tianjin Grand Victory Petroleum Equipment Co., Ltd. is a comprehensive enterprise for production, processing, sales, technology research and development, and spot storage.

      Located in Jinghai District, Tianjin, China, it was founded in 2008 with a registered capital of 11.18 million yuan.

      It has import and export rights, ISO9001 quality system certification, American Petroleum Institute API 5CT certification and a number of national patent certificates.

      The production workshop is equipped with several types of equipment such as highprecision CNC lathes, thread tightening machines, hydraulic presses, etc., and complete inspection and measurement instruments.

      Products include J55, K55, N801/Q, L80, P110 and other oil casing, couplings, Pup Joint、Xover (Cross over); 80S, 90S, 110S, L801Cr/3Cr/13Cr and other highcorrosion resistant oil casing spot storage, with a longterm reserve of about 2,000 tons.

      At the same time, it undertakes the processing and copper plating of special sealing threads such as direct connection, wedge shape, double step, variable pitch, etc.

      for oil well pipes and petroleum accessories, with fast delivery and excellent quality, reducing costs and increasing efficiency for customers.

      Our vision: to build an international oil pipeline equipment enterprise with integrity and innovation.

      We welcome leaders and friends from all walks of life to visit us for cooperation and common development.

      Our Products:

      - Special Api 5ct Standard Oil Well Pipe

      - Tubing Large Size N80 Steel Grade Short Connection

      - Component Bgt2 Type J55 High Sealing Vam Special Thread

      - T95 Coupling Special For Oil Pipeline L80 Material N80 Steel

      - Corrosion Resistant Design J55 Thread Protection

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