Thermal expansion accommodation for circulated fluid system used to heat subsurface formation

Thermal expansion accommodation for circulated fluid system used to heat subsurface formation

The invention discloses a method for accommodating thermal expansion of a heater in a formation. The method includes the steps of 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 extend...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NOEL JUSTIN MICHAEL, OCAMPOS ERNESTO RAFAEL FONSECA, LEVY STEPHEN MICHAEL, PENSO JORGE ANTONIO, HORWEGE JASON ANDREW, GONZALEZ MANUEL ALBERTO, JUNG GONGHYUN, CRUZ ANTONIO MARIA GUIMARAES LEITE, RAGHU DAMODARAN
Format: Patent
Sprache:chi ; 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:The invention discloses a method for accommodating thermal expansion of a heater in a formation. The method includes the steps of 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.