A system that includes a plurality of heat sources configured to heat a portion of a formation is described. At least one production well is in the formation. A bottom portion of the production well is a sump in an underburden of the formation below the heated portion of the formation. Fluids from the...http://www.google.de/patents/US7942197?utm_source=gb-gplus-sharePatent US7942197 - Methods and systems for producing fluid from an in situ conversion process
Methods and systems for producing fluid from an in situ conversion process
