THERMAL EXPANSION ACCOMMODATION FOR CIRCULATED FLUID SYSTEMS USED TO HEAT SUBSURFACE FORMATIONS

THERMAL EXPANSION ACCOMMODATION FOR CIRCULATED FLUID SYSTEMS USED TO HEAT SUBSURFACE FORMATIONS

A method for accommodating thermal expansion of a heater in a formation includes flowing a heat transfer fluid through a conduit to provide heat to the formation and providing substantially constant tension to an end portion of the conduit that extends outside the formation. At least a portion of th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LEVY, STEPHEN MICHAEL, RAGHU, DAMODARAN, PENSO, JORGE ANTONIO, GONZALEZ, MANUEL ALBERTO, JUNG, GONGHYUN, NOEL, JUSTIN MICHAEL, CRUZ, ANTONIO MARIA GUIMARAES LEITE, OCAMPOS, ERNESTO RAFAEL FONSECA, HORWEGE, JASON ANDREW
Format: Patent
Sprache:eng ; fre
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:A method for accommodating thermal expansion of a heater in a formation includes flowing a heat transfer fluid through a conduit to provide heat to the formation and providing substantially constant tension to an end portion of the conduit that extends outside the formation. At least a portion of the end portion of the conduit is wound around a movable wheel used to apply tension to the conduit.