API 5CT Tubing and Casing Coupling 3-1/2 EU Nu for Oil Pipe

• Warranty: 1 Years
• Surface Treatment: Galvanized
• Centralizer Type: Semi-Rigid
• Structure: Roller
• Material: Cast Steel
• Type: API 5CT Coupling
• Model NO.: 3-1/2
• Name: API 5CT Tubing and Casing Coupling 3-1/2 EU Nu for
• Thread: Nu EU
• Grade: K55 J55 N80 L80 P110
• Usage: Oil Pipe
• Transport Package: Wooden Pallet
• Specification: 3-1/2
• Trademark: EASTLONG
• Origin: Puyang China
• HS Code: 7307990000
• Production Capacity: 5000 One PCS

Product Description

Product description

Tubing and casing couplings are mechanical connectors used to join two sections of tubing or casing pipes together in oil and gas well operations. They are typically made of steel and are threaded on both ends to provide a secure connection.

Tubing couplings are used to connect two sections of tubing, which is the smaller diameter pipe that is run inside the casing pipe. Tubing is used to extract oil or gas from the well and is often referred to as production tubing. Tubing couplings are designed to withstand the pressures and stresses of production operations.

Casing couplings, on the other hand, are used to connect two sections of casing pipes, which are larger diameter pipes that are run into the wellbore to provide structural support and prevent collapse. Casing pipes are cemented in place and protect the wellbore from formation fluids and pressure. Casing couplings are designed to provide a strong and leak-proof connection to ensure the integrity of the well.

Tubing and casing couplings come in various sizes and thread types to accommodate different pipe sizes and specifications. They are typically manufactured according to industry standards, such as the American Petroleum Institute (API) specifications, to ensure compatibility and reliability.

During well construction or maintenance operations, tubing and casing couplings are used to connect individual sections of pipes, allowing for easy installation, removal, or repair of the tubing or casing strings. They provide a tight seal to prevent leaks and maintain the structural integrity of the well.

Overall, tubing and casing couplings play a critical role in oil and gas well operations by providing a reliable and secure connection between tubing and casing pipes. They contribute to the safe and efficient production of oil and gas from wells.

Company Profile

Tianjin Dongfanglong Petroleum Equipment Co., Ltd

 

  Tianjin Dongfanglong Petroleum Equipment 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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