News
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Friction-Welded Drill Pipes: Strong, Reliable & Cost-Efficient for Your Drilling Operations
In the ever-evolving oil and gas industry, choosing the right drill pipe is critical for safe, efficient, and cost-effective drilling operations. At WELONG, we offer a full range of friction-welded drill pipes engineered for durability, high performance, and optimal corrosion resistance across a ...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 -
Differences Between Rolls for Aluminum Plate and Steel Plate Rolling
In the steel and aluminum industries, the use of rolling mills to process materials is a fundamental step in producing flat products, such as plates and sheets. While the basic concept of rolling involves passing metal between two rolls to reduce thickness, the requirements for the rolls themselv...Read more -
Overview of 42CrMo4 Requirements and Applications
Steel grade 42CrMo4 is a medium-carbon alloy structural steel specified under the EN 10083 standard. It is well-known for its excellent overall mechanical properties and good hardenability, and is widely used across the mechanical engineering industry. Typical applications include the manufacture...Read more -
Introduction to Retained Mandrel in the Oil Field
In oil and gas operations, mandrels are essential downhole components used to support or house other equipment such as valves, sensors, and control lines. A retained mandrel refers to a mandrel that is intentionally left in the wellbore as part of the permanent or semi-permanent completion system...Read more -
Classification of stabilizer
There are three common stabilizers in drilling tools: rigid, spiral and roller, each with its own characteristics and suitable for different drilling scenarios. Drilling tools are indispensable and important tools in the exploration and development of oil, natural gas and other mineral resources,...Read more -
Versatile Applications of Rollers Across Industries
Rollers, as critical mechanical components, are widely utilized across industries for efficient load-bearing and motion control. In logistics, conveyor rollers streamline material handling, while manufacturing relies on precision rollers for automated machinery. However, their role in the oil ind...Read more -
Power Tongs in Oil Drilling: Precision and Efficiency
Power tongs are indispensable mechanized tools in oil drilling, designed to safely and efficiently make up (tighten) or break out (loosen) threaded connections between drill pipes, casing, and tubing. Replacing manual labor, these hydraulically or electrically driven devices ensure precise torque...Read more -
WELONG Successfully Participated in Neftegaz 2025 in Moscow
From April 14th to 17th, 2025, WELONG had the pleasure of exhibiting at Neftegaz 2025 – International Exhibition for Equipment and Technologies for Oil and Gas Industries, held at the Expocentre Fairgrounds in Moscow, Russia. As one of the leading events in the oil and gas sector, Neftegaz provi...Read more -
Technical Overview of Landing Nipple
1. Introduction In the exploration and development of oil and gas resources, the accurate deployment and positioning of downhole tools are critical to operational safety and efficiency. The Landing Nipple is one of the essential components in the well completion system, providing a standard...Read more -
How to Select a Stabilizer Supplier from a Technical Perspective
In the oil and gas drilling industry, stabilizers play a vital role in ensuring proper casing placement and cementing quality. Choosing the right stabilizer supplier is not merely a procurement decision—it is a strategic step that directly impacts well integrity, operational efficiency, and safet...Read more -
Our Brief Inspection Requirements for Drilling Tool Materials
Chemical Composition: Elements other than the major ones with a content greater than 0.10 wt% must be included in the chemical composition report. Steel Ingot Re-inspection: Upon arrival at the factory, steel ingots must undergo chemical composition re-inspection, with grain size and cleanliness...Read more
