Impact type pipe end blanking plug and using method
The invention provides an impact type pipe end blanking plug and a using method. The blanking plug at least comprises a body, side hole plugs, a bottom plug and an impact rod, wherein a plurality of side holes are uniformly distributed in the body in the radial direction; the side hole plugs are arr...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides an impact type pipe end blanking plug and a using method. The blanking plug at least comprises a body, side hole plugs, a bottom plug and an impact rod, wherein a plurality of side holes are uniformly distributed in the body in the radial direction; the side hole plugs are arranged in the body at the side holes; a plurality of through holes are formed in the side hole plugsin the axial direction; the bottom plug is arranged at the lower end of the body; and the impact rod is positioned above the body. According to the impact type pipe end blanking plug, an impact tool is delivered into a pipe to freely fall to impact and start, and a pump truck is not needed to build pressure; and the impact type pipe end blanking plug has the characteristics of simplicity, convenience and high efficiency in operation and low comprehensive operation cost. The impact type pipe end blanking plug can be used for conventional gas production pipe column operation under pressure of agas well vertical well and |
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