Nara Petroleum Mechanical Manufacture Co. Ltd, estabished in 2007 and located in the industrial park of Chinese second largest oil field in Dongying City-Shengli Oil Field, is a high-tech private limited liability company which takes the lead in developing, manufacturing and selling oil machinery.

      Kelly valve is also called Kelly cock or drill pipe safety valve. It is a manual control valve of the drilling string circulatory system and one of the effective tools to prevent the blowout. Kelly valve including the upper kelly valve and lower Kelly valve. Upper Kelly valve is placed between swivel end and Kelly pipe, while lower Kelly valve is place between Kelly pipe end and top of the drill pipe or Kelly pipe protector end. You can turn on of turn off by using special wrench to rotate 90°. In order to avoid accidents occurring, the Kelly valve should be used between the top and the bottom of the Kelly pipe. That can prevent the
loss of the drilling fluid and the blowout happening.
      We can produce anti-sulfur kelly valve by using high-quality imported anti-sulfur material.

  We have adcanced production equipment, which ensures our high-quality products.

   We have our own patented products and has passed the attestation of ISO9000:2000 quality system and API, obtained the certificate to enter the net of PetroChina and Sinopec and Class B qualification of PetroChina well control net, and had the honor to win Prizes of Technique Innovation and S&T of Dongying City in 2009.

   Our main business includes design and manufacture of downhole drilling tools and wired MWD equipment, manufacture and sales of oil pipe and screw drilling tools, and main products include IBOP, flapper type float valve, arrow check valve,casing protector,casing milling tool, adjustable tapered stabilizer, oil pressure tapered stabilizer, nonmagnetic drill collar and so on, totally over 30 series and 10 categories.

   We will package and ship products according to your requirements.

    Service contributes to quality and quality contributes to confidence, which is our enterpress slogan and  mission. We have developed a complete, transplantable enterprise management and operation mode of design, production and after-sale service, with the spirit of "unity, progressive, innovative and efficient," and design tools of three-dimensional solid, finite element analysis, motion simulation and so on.

    We will try our best to provide you best service! Looking forward to cooperate with you!

Sharon

Nera Petroleum Mechanical Manufacture Co., Ltd

Add:No. 2 Juzhou Road, Dongying Developing Zone, Dongying, Shandong, China (Mainland)

Mobile NO.: 15066013625

Tel: 86-0546-8175080

Fax: 86-0546-8175070

Skype: sharonzhang28

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