Flowline extendable pigging valve assembly
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United States of America Patent
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-
Feb 6, 2001
Grant Date -
N/A
app pub date -
Nov 12, 1997
filing date -
Nov 12, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus and a method for extending subsea hydrocarbon flowlines from an initial installation on a template/manifold system to later drilled subsea wells. The extension utilizes a pigging valve assembly which completes a flow path to allow for line cleaning or pigging and is modified by adding a curved flowline connector adaptor to extend the subsea flowlines. The apparatus and method minimizes the amount of equipment that must be pre-installed to provide such flexibility, thus facilitating the ability to defer incremental development decisions.
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