Composite multifunctional eccentric wellhead for directional oil production testing

The utility model provides a composite multifunctional eccentric wellhead for directional oil extraction testing. The composite multifunctional eccentric wellhead comprises an oil extraction pipe body. An oil outlet pipe seat is arranged on the oil extraction pipe body, an oil outlet pipeline commun...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: XU LI, WANG XUDONG, CHEN GENXIONG, BIAN SHOUJUN, JI CHUNLIAN, QIAN AIHUA
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The utility model provides a composite multifunctional eccentric wellhead for directional oil extraction testing. The composite multifunctional eccentric wellhead comprises an oil extraction pipe body. An oil outlet pipe seat is arranged on the oil extraction pipe body, an oil outlet pipeline communicated with the oil extraction pipe body is arranged on the oil outlet pipe seat, a wellhead main body is mounted on the oil outlet pipe seat, the wellhead main body is connected with the oil outlet pipe seat through a bearing, an oil extraction channel and a test channel are arranged on the wellhead main body, the oil extraction channel is vertically arranged, and the test channel is obliquely arranged. A flange cover plate is arranged on the wellhead main body, a tubing hanger is arranged on an oil extraction channel opening, and a measuring instrument is arranged on a test channel opening. The eccentric wellhead device is provided with the oil extraction channel and the testing channel, one is used for oil extra