System and Method for Inhibiting Hydrate Film Growth On Tubular Walls

Methods and systems are provided for inhibiting the formation and/or growth of clathrate hydrates in a mixed phase fluid at or near the walls of a tubular through use of a chemical or physical coating on the tubular wall. An exemplary embodiment provides a method for producing a flowable mixed phase...

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Bibliographische Detailangaben
Hauptverfasser:	LACHANCE JASON W, TALLEY LARRY D
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPE-LINE SYSTEMS PIPE-LINES PIPES STORING OF DISTRIBUTING GASES OR LIQUIDS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	Methods and systems are provided for inhibiting the formation and/or growth of clathrate hydrates in a mixed phase fluid at or near the walls of a tubular through use of a chemical or physical coating on the tubular wall. An exemplary embodiment provides a method for producing a flowable mixed phase fluid having the potential to create clathrate hydrates. The method includes inhibiting hydrate formation in a tubular by injecting an additive into a fluid stream in the tubular, and the additive adheres, at least in part, to the walls of the tubular and inhibits hydrate growth proximate to the wall. When sufficient additive is injected into the tubular system, the hydrate film growth on the tubular walls is inhibited, at least to some extent, and a continuous flow rate is maintained.