A process may include providing heat from one or more heaters to at least a portion of a
subsurface formation. Heat may transfer from one or more heaters to a part of a formation. In …

Methods of treating a tar sands formation are described herein. Methods for treating a tar
sands may include providing heat to at least part of a hydrocarbon layer in the formation …

Abstract Systems, methods, and heaters for treating a subsurface formation are described
herein. At least one method includes treating a hydrocarbon containing formation. The …

A method for treating a tar sands formation is disclosed. The method includes providing a
drive fluid to a first hydrocarbon containing layer of the formation to mobilize at least some …

A method for treating a hydrocarbon containing formation may include providing heat to a
first hydrocarbon layer in the formation from a first heater located in an opening in the …

A method for treating a hydrocarbon containing formation is described. The method for
treating a hydrocarbon containing formation may include heating a first volume of the …

A method of recovering energy from a subsurface hydrocarbon containing formation
includes introducing an oxidizing fluid in a wellbore positioned in at least a first portion of the …

Abstract Systems, methods, and heaters for treating a subsurface formation are described
herein. At least one method for producing hydrocarbons from a subsurface formation …

A method for treating an oil shale formation comprising nahcolite includes providing a first
fluid to a portion of the formation. A second fluid is produced from the portion. The second …

An in situ process for treating a hydrocarbon containing formation is provided. The process
may include providing heat from one or more heaters to at least a portion of the formation …