发明名称 Subsea well choke system
摘要 A subsea well choke system is disclosed. The well choke system has annulus and tubing access as well as wing lines for connections to flow lines. A pressure control valve is installed in the tree cap for easy replacement and also to facilitate pigging and well test operations.
申请公布号 US4848473(A) 申请公布日期 1989.07.18
申请号 US19870135783 申请日期 1987.12.21
申请人 CHEVRON RESEARCH COMPANY 发明人 LOCHTE, GLEN E.
分类号 E21B34/04 主分类号 E21B34/04
代理机构 代理人
主权项
地址