General positive circulation efficient inner sand fishing combined tool for oil gas water well

The utility model provides a general positive circulation efficient inner sand fishing combined tool for an oil gas water well. The combined tool comprises a first valve body and a second valve body, wherein the top end and the bottom end of a body of the first valve body are respectively provided w...

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1. Verfasser: LI GUOHAN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The utility model provides a general positive circulation efficient inner sand fishing combined tool for an oil gas water well. The combined tool comprises a first valve body and a second valve body, wherein the top end and the bottom end of a body of the first valve body are respectively provided with an upper through hole and a lower through hole, and a sand carrying liquid outlet hole communicating the lower through hole and the outside and a power liquid outlet hole communicating the upper through hole and the outside are formed in the opposite side walls of the body; at least one rubber leather cup with a downward opening is fixedly arranged on the body, and the rubber leather cup is arranged between the upper side of the power liquid outlet hole and the lower side of the sand carrying liquid outlet hole; the top end and the bottom end of a body of the second valve body are respectively provided with an upper through hole and a lower through hole, and a sand carrying liquid inlet hole communicating the upper through hole and the outer side and a power liquid inlet hole communicating the lower through hole and the outside are formed in the opposite side walls of the body; at least one rubber leather cup with an upward opening is fixedly arranged on the body, and the rubber leather cup is arranged between the upper side of the sand carrying liquid inlet hole and the lower side of the power liquid inlet hole.