News
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Introduction to Integral String Stabilizer
Integral string stabilizer is a very important downhole auxiliary tool in oil and gas equipment engineering, mainly used for installation on drill strings (i.e. drill rods, anti-theft drill rods, drill collars, etc.). Its core purpose is to ensure the center position of the drill string in the we...Read more -
Heat Treatment Considerations for 4330 Alloy Steel
4330 alloy steel, a low-alloy chromium-molybdenum-nickel steel, is renowned for its high strength, toughness, and fatigue resistance. Proper heat treatment is critical to achieving its optimal mechanical properties, particularly in aerospace, defense, and oilfield applications. Below are key cons...Read more -
Precautions for Drill Pipe Usage During Drilling Operations
From China Welong | renee@welongpost.com At China Welong, we emphasize not only delivering high-quality drill pipe solutions but also supporting safe and effective usage. Below are key operational precautions that should be strictly followed when using drill pipe in drilling operations.Read more -
Tubing Expansion Joint
1. Product Overview The tubing expansion joint is a critical downhole tool used in oil and gas well completion systems. It is designed to compensate for axial movement of the tubing string caused by temperature fluctuations, water injection, well treatment operations, or other stress-inducing fac...Read more -
Application of Continuous Casting Round Billets in Tricone Bit Forgings (part 1)
With the rapid development of the petrochemical industry in recent years, deep well drilling has become increasingly common. At the same time, the exploration and utilization of alternative energy sources such as geothermal energy and shale gas have introduced new technical challenges, significan...Read more -
Advanced Drill Bits for Oil & Gas: Engineering Excellence in Modern Drilling
Drill bits are critical components in oil and gas exploration, designed to penetrate challenging geological formations efficiently. Modern petroleum drill bits, such as Polycrystalline Diamond Compact (PDC) bits and roller cone bits, leverage cutting-edge materials and precision engineering to ma...Read more -
Introduction to Non-magnetic Integral Blade Stabilizer
1.Basic Definition The non-magnetic integral blade stabilizer is a downhole tool used in drilling operations, mainly used to stabilize the drill bit trajectory, control wellbore inclination, and prevent wellbore collapse. Its’ non-magnetic ‘characteristic means that the tool is made o...Read more -
Drill Pipe Handling Precautions Before Running in Hole
From China Welong | renee@welongpost.com Ensuring safe, efficient, and damage-free handling of drill pipe before running in hole is essential for maintaining the integrity of the drill string and reducing operational risks. At China Welong, we not only provide high-performance drill pipes but als...Read more -
Application and Technical Features of High-Performance Non-Magnetic Drill Collars in MWD Systems
1. Product Overview The high-performance non-magnetic drill collar is a critical component specifically designed for Measurement While Drilling (MWD) systems. Its primary function is to create a magnetically clean environment that ensures accurate readings from downhole directional sensors. By el...Read more -
Drill Collars: Critical Components in Drilling Operations
Drill collars are thick-walled, heavy steel tubulars used in the bottom hole assembly (BHA) of a drill string. Their primary function is to provide weight on the bit (WOB) to enhance drilling efficiency and maintain vertical or directional control of the wellbore. As essential tools in oil and ga...Read more -
What Problems Can Occur If the Workpiece Temperature Is Too Low in Free Forging?
In the process of free forging, metal workpieces are shaped by applying compressive forces, typically at elevated temperatures. The temperature of the workpiece plays a critical role in ensuring the success of the forging process. If the workpiece temperature is too low, several significant probl...Read more -
The Main Role of “Upsetting” in Free Forging
Free forging is a vital manufacturing process in which metal is shaped by applying compressive forces, usually at high temperatures. The term “upsetting” (or “upsizing”) refers to a specific technique within free forging, where the cross-sectional area of a metal piece is ...Read more
