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

• Main Authors: 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
• Language: English; French
• Published: 08.05.2014
• Subjects: 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

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...