PN：0210610003
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Description: This device belongs to well control devices. It's a safety seal device installed at the wellhead which is used to prevent from well kick and blowout during completion operation, downhole remedial operation and tubing pulling job. Tubing-casing annulus is sealed by using the two side gate valve to extrude the tubing string. When there is no tubing string, the third gate replaces the tubing to complete full sealing. The operating principle and structure can be demonstrated by this model. Details:
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No.1, Bei Yi Xiang, Damucang Hutong, Xidan, Beijing P.R.C.100032
Copyright © 2009 China Educational Instrument & Equipment Corp. All rights reserved.
Damucang Hutong, Xidan, Beijing P.R.C.100032
