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公开(公告)号：US12269023B2
公开(公告)日：2025-04-08
申请号：US18815212
申请日：2024-08-26
Inventor： Arshad Raza , Guenther Glatz , Mohamed Mahmoud , Mobeen Murtaza , Alade Olalekan Saheed , Esmail Mohamed Ali Mokheimer , Muhammad Shahzad Kamal
Abstract: A thermochemical engine that includes a reaction chamber having a nitrite source inlet, an ammonium source inlet, and a gas outlet, and a gas-driven energy transducer coupled to the reaction chamber such that a gas produced in the reaction chamber moves the gas-driven energy transducer in a process of exiting the reaction chamber via the gas outlet. The thermochemical engine is configured to produce the gas under pressure by reacting in the reaction chamber a nitrite source comprising a nitrite ion and an ammonium source comprising an ammonium ion in the presence of water at a reaction temperature of 50 to 150° C.
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公开(公告)号：US11208877B2
公开(公告)日：2021-12-28
申请号：US16840081
申请日：2020-04-03
Inventor： Ayman Al-Nakhli , Amjed Mohammed Hassan , Alade Olalekan Saheed , Mohamed Ahmed Nasr Eldin Mahmoud
Abstract: Methods, systems, and compositions for increasing hydrocarbon production from a wellbore where the wellbore or a nearby hydrocarbon reservoir is suffering from water blockage, one method including identifying water blockage in a rock sample of a formation via increased capillary pressure in the rock sample; formulating an exothermic reaction component to remove water blockage from a reservoir rock in situ via heat and pressure release, the reservoir rock type the same as the rock sample; injecting the exothermic reaction component into the wellbore; and allowing the exothermic reaction component to react to remove water blockage in situ to decrease capillary pressure of the reservoir rock without substantially changing porosity of the reservoir rock.
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