发明授权
- 专利标题： Pipeline gel plug
- 专利标题（中）： 管道凝胶塞
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申请号： US116506申请日： 1980-01-29
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公开(公告)号： US4379722A公开(公告)日： 1983-04-12
- 发明人: Paul R. Scott
- 申请人： Paul R. Scott
- 申请人地址： TX Houston
- 专利权人： Shell Oil Company
- 当前专利权人： Shell Oil Company
- 当前专利权人地址： TX Houston
- 主分类号： F16L55/10
- IPC分类号： F16L55/10 ; F16L55/42 ; B01J13/00 ; C09K3/00
摘要：
A gel plug of mineral oil, organo-modified smectite, and a particulate filler such as powdered coal, or a gel plug of mineral oil and organo-modified smectite is employed during construction of an off-shore pipeline to separate a gas-filled portion of the pipeline from a water-flooded portion, and to facilitate control and movement of a gas/gel plug/water interface as desired to assist in construction operations.
公开/授权文献
- USD434203S Mailbox 公开/授权日：2000-11-21
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