×

Movable heaters for treating subsurface hydrocarbon containing formations

  • US 8,256,512 B2
  • Filed: 10/09/2009
  • Issued: 09/04/2012
  • Est. Priority Date: 10/13/2008
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method for treating a hydrocarbon containing formation, comprising:

  • providing heat to a first portion of the formation using a heater, wherein the heating section of the heater is at least partially located in a substantially horizontal or inclined portion of a wellbore and is located in or proximate to a hydrocarbon containing layer of the formation, and wherein the heating section has a length that is at most ½

    the length of the horizontal or inclined portion of the wellbore; and

    moving at least a portion of the heating section in the wellbore such that heat is provided to a second portion of the formation, wherein the second portion is horizontally displaced from the first portion of the formation.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×