Combined tubing hanger

The utility model belongs to the technical field of oil and gas production. The utility model discloses a combined oil pipe hanger, which comprises a body arranged at the top of a central hole of an oil pipe four-way joint, and an annular limiting shoulder is arranged on the outer side wall of the b...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TANG XIAOHUA, XIE QIANG, NIE WUSHI, YAN HUANAN, SU MINGSHENG, LI GANG, WANG BIN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model belongs to the technical field of oil and gas production. The utility model discloses a combined oil pipe hanger, which comprises a body arranged at the top of a central hole of an oil pipe four-way joint, and an annular limiting shoulder is arranged on the outer side wall of the body; an annular inner sealing groove is formed in the inner wall of the center hole of the body; the second sealing ring is arranged in the annular inner sealing groove; the metal sealing piece is arranged on the annular limiting circular bead; the slip bowl is communicated and connected with the body into a whole; the inner wall of the slip bowl is an inner conical surface of which the diameter is sequentially reduced from top to bottom; the plurality of slip inserts are arranged in the slip bowl; an outer conical surface matched with the inner conical surface of the slip bowl is arranged on the outer wall of the slip insert; and a locking piece matched with the metal sealing piece is arranged on the side wall of