Supplier of API-5CT Couplings, Casing Pipe and Tubing Pipe, Reaching The Most Stringent Standards.

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Api Couplings

We carry a full size range of 2-3/8” to 20″ API Couplings in J55, K55, N80, P110 grade.

All of our API couplings meet the American Petroleum Institute (API) Specifications 5CT&5B. On ground inventories are available from our Houston Inventory warehouse.

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Oilfield Casing Pipe

API 5CT Casing Pipe is used in different types of horizontal underground boring.

Casing pipe is jacked into an hole in segments and then connected together by welding or by threaded and coupled ends, or other proprietary pipe connectors.

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Oilfield Tubing Pipe

Tubing Pipe is a pipe or hollow cylinder for the conveyance of fluids (liquids or gases).

The terms ‘pipe’ and ‘tubing’ are almost interchangeable, although minor distinctions exist (generally, “tubing” implies tighter engineering requirements than “pipe”).

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Wellhead Introduction

The wellhead consists of the pieces of equipment mounted at the opening of the well to manage the extraction of hydrocarbons from the underground formation. It prevents leaking of oil or natural gas out of the well, and also prevents blowouts caused by high pressure. Formations that are under high pressure typically require wellheads that […]

ASTMA210/ASME SA210 Seamless Steel Boiler and Superheater Tubes

ASTMA210/ASME SA210: Seamless Medium-Carbon Steel Boiler and Superheater Tubes Standard: ASTM A210/ASME SA210 We are provide different grades of carbon steel seamless pipes, such as A210A-1, A210C, and so on. Introduction ASTMA210/ASME SA210 seamless steel tube for boiler and superheater is a form of seamless medium-carbon steel pipe with minimum wall wider. It can be […]

Perforation Gun Pipe

Perforation is an extremely important technology in the petroleum exploration and development. It is usually one of means boost the recovery of coal and oil wells. In perforating operations, perforating bullets need added with perforating gun pipes or perforating gun barrels as gun carrier to squeeze perforation direction and protect oil casing in the explosion […]

EN 10210-1 Hollow Sections-Seamless Steel Pipe

EN 10210-1: Hot Finished Seamless Structural Hollow Sections of Non-Alloy Steels Standard: EN 10210-1 JST can offer different grades of steel pipes, such as S235JRH, S275JOH, S275J2H, S355JOH, S355J2H, S355K2H, etc. Introduction EN 10210-1 hot-finished hollow section tube is made from non-alloy structure steel and fine-grain structure steel. It features simple form, excellent strength properties, […]

Petroleum Cracking Pipe

Petroleum cracking pipe is a form of strip steel product with hollow section with seam joint around. Being an economic cross section steel material, petroleum cracking tube is extensively used in manufacturing structural and mechanical parts, such as petroleum drill rod, automobile transmission shaft, bicycle frame and steel scaffold used in construction. JST petroleum cracking […]

api coupling standard

The American Petroleum Institute, commonly referred to as API, is the largest U.Strade association for the oil and natural gas industry. It claims to represent about 400 corporations involved in production, refinement,distribution, and many other aspects of thepetroleum industry. According to API 5CT,  Grade: K55/J55 N80 L80 P110,we specialize in this for many years ,with […]

Well Completion Introduction

Completion Well completion commonly refers to the process of finishing a well so that it is ready to produce oil or natural gas. In essence, completion consists of deciding on the characteristics of the intake portion of the well in the targeted hydrocarbon formation. There are a number of types of completions, including: Open Hole […]

Steel and Structural Pipes

Grid structure is composed of comparable grids or small dimension units. This structural pipe is often used in roof structure. Our clients are able to provide high-quality seamless steel tube for lattice framed structure firm. This product is applicable to large, medium or small span roof equipment. JST structural pipes are extensively used in stadium, […]