Stifled water of card, layered oil exploitation integration tubular column

The utility model relates to a stifled water of card, layered oil exploitation integration tubular column, stifled water of card, layered oil exploitation integration tubular column include that fromthe top down connects gradually takes out the stifled water pipe section of oil pipe section, ball fo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZHANG QINGHUAN, FENG LING, ZHANG XIANGPIN, XU JIN, ZHAO DONGHUA, PENG HUAWEI
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model relates to a stifled water of card, layered oil exploitation integration tubular column, stifled water of card, layered oil exploitation integration tubular column include that fromthe top down connects gradually takes out the stifled water pipe section of oil pipe section, ball formula release sub and card, it has the lower extreme link to take out the oil pipe section, ball formula release sub includes through structural down locking complex top connection of locking and lower clutch, still including the sliding sleeve of setting in the top connection, be connected with the shear pin between the contact surface of sliding sleeve and top connection, be provided with between top connection and the lower clutch and make the unblock of locking structure in order to realizetop connection and the lower clutch unlocking structure of separation from top to bottom after the shear pin is cut, lower extreme link and top connection fixed connection only need a tubular columncan realize the stifled wat