Casing for borehole filter and injector

Abstract

1. The name of the design product: the shell of the drilling filter and blowout prevention device. 2. The use of the design product: the product is installed outside the drilling filter pipe, used for gas drilling orifice blowout prevention, drainage and dust prevention. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

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