Removing scale from a wellbore
First Claim
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1. A method performed by supercritical carbon dioxide in a wellbore, the method comprising:
- the supercritical carbon dioxide traveling through a workstring positioned in a wellbore to a specified depth within the wellbore;
the supercritical carbon dioxide impacting a wall of the wellbore at the specified depth; and
reducing skin-effects on the wellbore in response to impacting the supercritical carbon dioxide, wherein the supercritical carbon dioxide changes phase to a solid phase, a liquid phase, and a gas phase of carbon dioxide.
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Abstract
Supercritical carbon dioxide is directed into a wellbore to a specified depth. The supercritical carbon dioxide is directed at an inner surface of the wellbore at the specified depth. Scale is removed from the wall of the wellbore with the supercritical carbon dioxide.
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Citations
6 Claims
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1. A method performed by supercritical carbon dioxide in a wellbore, the method comprising:
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the supercritical carbon dioxide traveling through a workstring positioned in a wellbore to a specified depth within the wellbore; the supercritical carbon dioxide impacting a wall of the wellbore at the specified depth; and reducing skin-effects on the wellbore in response to impacting the supercritical carbon dioxide, wherein the supercritical carbon dioxide changes phase to a solid phase, a liquid phase, and a gas phase of carbon dioxide. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification