Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mohamed Nabil Noui-Mehidi0
Khalid M. Al-Ruwaili0
Date of Patent
November 30, 2021
0Patent Application Number
167091640
Date Filed
December 10, 2019
0Patent Primary Examiner
Patent abstract
A method includes spraying acid onto an inner wall of a wellbore formed in a subterranean zone with entrapped hydrocarbons that flow into the subterranean zone. Spraying the acid forms a subterranean cavern within a portion of the wellbore, the subterranean cavern being wider than the wellbore. The entrapped hydrocarbons flow into the subterranean cavern. The entrapped hydrocarbons include liquid hydrocarbons and water. The liquid hydrocarbons and the water separate under gravity within the subterranean cavern. The method also includes drawing the liquid hydrocarbons from the subterranean cavern to a surface of the wellbore.
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