A wellhead component or a profile formed in wellhead equipment in which the casing hanger is located when a casing string has been installed.
在套管柱安装后在放置套管悬挂器的井口装置中的部件或型面。
A wellhead component or a profile formed in wellhead equipment in which the casing hanger is located when a casing string has been installed.
在套管柱安装后在放置套管悬挂器的井口装置中的部件或型面。
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