发明授权
US6079488A Lateral liner tieback assembly 失效
侧向衬套绑扎组件

Lateral liner tieback assembly
摘要:
The invention relates to a tieback hanger for connecting the liner of a lateral well bore to the parent well bore. The tieback hanger includes a spring which maintains a constant force on the tieback hanger to prevent it from protruding into the parent well bore.
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