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API Tubing and Casing Pup Joint
Tubing and Casing Pup Joints are machined according to the latest version of API Spec 5CT. It’s used to connect two pipes of same diameter with the same types of thread on the two ends.
The Steel Grade includes J55,K55,N80-1, N80Q, L80-1, P110 etc.
There are two types of thread widely used in Tubing pup joint:Non-upset Thread(NUE) and External-upset Thread(EUE)
There are three types of thread widely used in Casing pup joint: Long-Round Thread(LTC), Short-Round Thread(STC),Buttress Thread(BTC)
There are two types of End thread: Pin*Pin, Pin*Box(Pin*Pin with coupling)
|
OD |
Standard |
Length |
Connection |
Steel Grade |
|
2 3/8”-4 1/2” |
API 5CT |
Customized |
NUE/EUE |
J55/K55/N80/L80/P110 |
|
4 1/2”-20” |
API 5CT |
Customized |
LTC/STC/BTC |
J55/K55/N80/L80/P110 |
Remark: We can also produce Special Pup Joint of API 5CT/5B Thread. Thanks for share the drawing.
Henan Dongfanglong Machine Manufacture Co., Ltd
Henan Dongfanglong Machine Manufacture Co., Ltd. was founded in 1999, mainly engaged in oil pipes and pipe fittings, oil special drilling and production tools and oil automation equipments. The company is named as national integration and standard implementation enterprise, a national science and technology-based small and medium-sized enterprise. With honors of"Henan enterprise technology center", "Henan postdoctoral innovation practice base”, the company hold 35 senior engineers, engineers and technicians, and has successively obtained ISO9001 Quality system certificates, API 5CT certificate authorized by American Petroleum Institute and BV Quality supplier evaluation certificate issued by company of France. Owing more than 30 independent intellectual property rights, forming an industrial chain integrating design, development, manufacturing, testing and experiment of numerical control automation equipment for petroleum machinery products, which can meet customers' demand for products Full cycle service.
The company has established the “Dong Fang Yunlong E-commerce Trading Platform" with oil drilling and production equipment and tools as the radiation point, improved the ability of Internet cross-border e-commerce, and completed the transformation of enterprise from internal operation to building industry alliance. It has built an intelligent workshop, expanded the support of intelligent manufacturing for enterprise operation, created a new intelligent manufacturing mode with high efficiency and flexibility, and improved the core competitiveness of the enterprise. And successfully registered production and sales companies in the Netherlands, opening a new starting point for overseas investment and development.
In the future, Dongfanglong will closely focus on national policy orientation and innovation driven development strategy, formulate sustainable development transformation strategy, keep forging ahead, take creating world famous brand and winning honor for the nation as the goal, work together with people of insight from all walks of life for win-win cooperation, and build up the dream of oil equipment manufacturing.
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Main Product:
Tubing&Casing Coupling,
API 5CT PUP Joint ,
X-over Crossover,
Down Hole Tools,
Sucker Rod Couplings,
Machinery Parts Processing Services
