What does the circular mark on the drill pipe section...
The circular marks on the drill pipe collar represent important information such as the size, grade, and manufacturer of the drill pipe, and play a very important role in ensuring...
zora li Articles
Standard length of process pipeline pup joints
The process pipeline pup joints is a commonly used connector in industrial pipeline installation. It is generally used to connect two pipelines or repair the unevenness of pipeline joints, such...
Selection criteria for corrosion allowance of pup joints
Corrosion allowance refers to the difference between the wall thickness of the pipeline and the minimum allowable wall thickness. It is an important indicator for measuring the remaining life of...
Brief introduction of pup joints in drilling rig
The Pup joints in drilling rig is a part of the drill pipe assembly, which is used to connect the drill pipe and the drill bit, support and bear the...
Carbon steel pipe expansion and its influencing factors
Carbon steel pipe is a commonly used pipeline product for conveying media, and during use, the expansion of carbon steel pipe is also an issue that needs attention. The size...
Classification of high-voltage casing pipe
High-voltage casing pipe refer to devices that provide insulation and support for one or several conductors to pass through partitions such as walls or boxes. They are important equipment in...
Materials and process steps of high-pressure seamless pipes
High-pressure seamless steel pipes and high-pressure boiler tubes are a type of boiler tube and belong to the category of seamless steel pipes. The manufacturing method is the same as...
Installation location of drill pipe float valve
Function of drill pipe float valve；Installation location of drill pipe float valve：1. Installed at the inlet，2. Installed at the outlet，3. Install inside the buffer，Issues to pay attention to during installation：1....
Production process of casing pipe
Production process of casing pipe:Raw material selection,The material of the casing pipe is an important factor in determining its quality and service life. Pipe making;1. Cut the tube,2.Punch holes,3. Install...
Production process of precision tube
Precision tube is a kind of high-precision steel pipe material after cold drawing or hot rolling. Due to the advantages of no oxide layer on the inner and outer walls...
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