Invention Grant
- Patent Title: Plug assembly for offshore platforms
- Patent Title (中): 海上平台插头总成
-
Application No.: US663271Application Date: 1984-10-22
-
Publication No.: US4549580APublication Date: 1985-10-29
- Inventor: Tommie A. Freeman
- Applicant: Tommie A. Freeman
- Applicant Address: OK Duncan
- Assignee: Halliburton Company
- Current Assignee: Halliburton Company
- Current Assignee Address: OK Duncan
- Main IPC: E02B17/00
- IPC: E02B17/00 ; F16L55/136 ; E02D7/00 ; E02B17/08

Abstract:
An improved reusable plug for sealing hollow cylindrical members, in particular, the jacket legs, pile sleeves, pilings, conductor pipes, or other similar members of offshore structures, the improved reusable plug comprising a packer mandrel assembly, packer member, packer setting assembly, dog locking sleeve assembly, pressure equalization plug assembly, and overshot retrieving assembly.
Public/Granted literature
- US5100166A Suspension device for a vehicle Public/Granted day:1992-03-31
Information query