Subsea well with electrical submersible pump above downhole safety valve
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United States of America Patent
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Mar 16, 2010
Grant Date -
Dec 20, 2007
app pub date -
Jun 12, 2006
filing date -
Jun 12, 2006
priority date (Note) -
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Abstract
A subsea well production system has a natural drive mode and a lift-assist mode using a submersible pump. The submersible pump can be installed while the well is live. The well system has a downhole safety valve in the production tubing. The operator closes the downhole safety valve and lowers an electrical submersible pump assembly into the production tubing. Once landed, the valve is opened and the pump assembly placed in operation.
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