Staged zone heating of hydrocarbon bearing materials
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United States of America Patent
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Mar 13, 2018
Grant Date -
Mar 30, 2017
app pub date -
Sep 29, 2016
filing date -
Sep 30, 2015
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Abstract
Methods and systems of heating a body of crushed hydrocarbonaceous material to produce hydrocarbons therefrom can involve heating multiple zones of the body of material sequentially. An exemplary method can include forming a body of crushed hydrocarbonaceous material having a first zone and a second zone. The first zone can be heated in a first heating stage to form a dynamic high temperature production region in the first zone. A cooling fluid can then be injected into the first zone after the high temperature production region forms. The high temperature production region can move into the second zone in a second heating stage. Hydrocarbons can be collected from the body of crushed hydrocarbonaceous material during both the first and second heating stages.
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