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During turbine drilling, debris mixed in the drilling fluid may block the turbine channels, causing an increase in pressure in the high-pressure pipeline and even affecting the normal operation of the turbine drilling tool. To eliminate this phenomenon, a filtering device is often installed inside the first drill pipe at the lower end of the square drill pipe, called a drill tool filter screen. It is a metal cylindrical tube with filtering holes around the tube wall.

During turbine drilling, debris mixed in the drilling fluid may block the turbine channels, causing an increase in pressure in the high-pressure pipeline and even affecting the normal operation of the turbine drilling tool. To eliminate this phenomenon, a filtering device is often installed inside the first drill pipe at the lower end of the square drill pipe, called a drill tool filter screen. It is a metal cylindrical tube with filtering holes around the tube wall.