Combination hydraulic tubing hanger and chemical injection sub
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United States of America Patent
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-
Dec 8, 1992
Grant Date -
N/A
app pub date -
Oct 4, 1991
filing date -
Oct 4, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A mudline tubing hanger is disclosed in which the tubing hanger is provided as an integral part of the tubing string and is set within the casing by an hydraulic setting mechanism driven through an external control line and actuated by a wireline shifted sleeve. Further manipulation of the sleeve isolates the setting mechanism from the tubing and external control line, establishing a chemical injection conduit with access to the tubing bore through the external control line.
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Cited Art Landscape
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