Subsea Well Intervention Systems and Methods
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United States of America Patent
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Issued Date -
Nov 26, 2015
app pub date -
Jul 31, 2015
filing date -
Mar 11, 2013
priority date (Note) -
Abandoned
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Abstract
A system for performing an intervention on a subsea wellhead, the system including a production tree having a central axis, a first end, a second end, and a first flow bore extending axially from the first end to the second end. The production tree includes a master valve disposed along the first flow bore, a swab valve disposed along the first flow bore between the master valve and the first end, and a shearing device disposed along the first flow bore between the master valve and the second end. The second end of the production tree comprises a connector configured to releasably couple to the subsea wellhead, and the shearing device is configured to shear a component extending through the first flow bore.
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