发明名称 |
Extending the life of a compromised umbilical |
摘要 |
EXTENDING THE LIFE OF A COMPROMISED UMBILICAL A method of using an umbilical between a surface location and an underwater location of an underwater fluid extraction well system is provided, the umbilical carrying an electrical power conductor and having been compromised by the leakage of current from the conductor to surrounding water. Electrical power from a source at the surface location at a first frequency is converted to electrical power at a second frequency, lower than the first frequency, or to DC electrical power; the electrical power at the second frequency or the DC electrical power is transmitted to the underwater location via the conductor; and at the underwater location, the electrical power at the second frequency or the DC electrical power is converted to electrical power at a frequency used by underwater equipment of the well system. Fig 1a Fig lb |
申请公布号 |
AU2011202452(B9) |
申请公布日期 |
2016.09.22 |
申请号 |
AU20110202452 |
申请日期 |
2011.05.25 |
申请人 |
GE Oil & Gas UK Limited |
发明人 |
Packham, Andrew Robert;Smart, Hilton |
分类号 |
H02J3/34;E21B17/01;H01R13/707;H02J3/36 |
主分类号 |
H02J3/34 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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