Flowline extendable pigging valve assembly

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...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	BEDNAR JOHN M
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	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.