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公开(公告)号：US20250087443A1
公开(公告)日：2025-03-13
申请号：US18462647
申请日：2023-09-07
Applicant: Saudi Arabian Oil Company
Inventor： Dong Kyu Cha , Hassan Alqahtani , Mohammed Al Otaibi , Subhash Chandrabose Ayirala , Ali Abdallah Al-Yousef
Abstract: A system and methods for in situ characterization of nanobubbles in enhanced oil recovery (EOR) are provided. In an exemplary system, a cell includes a metal case including a rectangular shape, wherein the rectangular shape includes five sides and an opening in place of a sixth (top) side, a flow inlet, and a flow outlet. The nanofluidic cell includes a calcite patterned silicon substrate mounted in the metal case, wherein a calcite patterned surface is disposed towards the opening. A transparent lid is mounted over the opening, wherein the transparent lid is in direct contact with calcite structures on the calcite patterned silicon substrate.
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公开(公告)号：US20230321601A1
公开(公告)日：2023-10-12
申请号：US18190660
申请日：2023-03-27
Applicant: Saudi Arabian Oil Company
Inventor： Fahd Ibrahim AlGhunaimi , Hassan Alqahtani , Mustafa Alkhowaildi , Ameerah Bokhari
CPC classification number: B01D53/84 , B01D53/62 , C12M21/02 , B01D2258/0283 , C12M43/04 , C12N1/12 , B01D2257/504 , C12M23/18
Abstract: Methods and systems for sequestering carbon dioxide and growing algae can include: producing fluids from a subsurface formation; separating the fluids into hydrocarbons and produced water; transferring the produced water to a treatment pond; transferring the hydrocarbons to a gas fractionation plant; separating the hydrocarbons resulting in a carbon dioxide side stream; and discharging the carbon dioxide side stream into the treatment pond.
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公开(公告)号：US11961702B2
公开(公告)日：2024-04-16
申请号：US17546604
申请日：2021-12-09
Applicant: Saudi Arabian Oil Company
Inventor： Hassan Alqahtani , Dong Kyu Cha , Mohammed Al Otaibi
IPC: H01J37/26
CPC classification number: H01J37/261 , H01J2237/2003 , H01J2237/2802
Abstract: Systems and methods for preparing a nanofluidic LCTEM cell are provided. An exemplary method includes coating a photoresist layer onto a top surface of a silicon nitride substrate; etching channels into the photoresist layer; depositing calcite into the etched channels; removing the photoresist; placing the cell on a holder; connecting a first end of an inlet line to the cell; connecting a second end of the inlet line to an ultrasound transducer configured to generate nanobubbles; and connecting an outlet line to the cell.
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4.发明公开公开(公告)号：US20230187170A1
公开(公告)日：2023-06-15
申请号：US17546604
申请日：2021-12-09
Applicant: Saudi Arabian Oil Company
Inventor： Hassan Alqahtani , Dong Kyu Cha , Mohammed Al Otaibi
IPC: H01J37/26
CPC classification number: H01J37/261 , H01J2237/2003 , H01J2237/2802
Abstract: Systems and methods for preparing a nanofluidic LCTEM cell are provided. An exemplary method includes coating a photoresist layer onto a top surface of a silicon nitride substrate; etching channels into the photoresist layer; depositing calcite into the etched channels; removing the photoresist; placing the cell on a holder; connecting a first end of an inlet line to the cell; connecting a second end of the inlet line to an ultrasound transducer configured to generate nanobubbles; and connecting an outlet line to the cell.
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