Thermal apparatus and associated methods
AssigneeClearwell Technology Ltd
InventorsBruce Cardno, Paul Ray
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Abstract
Embodiments comprise a method of removing material at a well, involving progressively jetting heat along a helical path to heat a target material for removal. Embodiments of the method comprise material removal from a downhole well element, involving running in a downhole assembly with a downhole heating device comprising a fuel towards a target location. For example, such embodiments provide an alternative method for the removal of wellbore tubulars, using a rapid oxidation process to significantly alter the physical state of the tubular well element and reduce it to an oxide deviate, thereby facilitating an area where a more conventional barrier can be installed in the wellbore.
Claims29
A well material removal apparatus for removing material at a well, the well material removal apparatus comprising a heating device for heating a target material, the heating device comprising a heating member configured to progressively jet heat along a helical path to heat the target material for removal.
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A method of removing material at a well, the method comprising progressively jetting heat along a helical path to heat a target material for removal.
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A well material removal apparatus for removing material at a well, the well material removal apparatus comprising a heating device for heating a target material, the heating device comprising a helical heating member for progressively jetting heat along a helical path to heat the target material for removal.
Dependencies are inferred from the claim text.