公开(公告)号：US12188074B2

公开(公告)日：2025-01-07

申请号：US17030914

申请日：2020-09-24

Applicant: Saudi Arabian Oil Company

Inventor： Wei Wang ,  Hooisweng Ow ,  Sehoon Chang

IPC: C12P7/16 ,  B82Y40/00 ,  C01B33/12 ,  C01C1/08 ,  C08G61/12 ,  C09K8/524 ,  C09K8/84 ,  C09K8/86 ,  E21B43/241

Abstract: A method for reducing condensate in a subsurface formation is disclosed. The method includes introducing a reactive mixture including an aqueous solution, urea, dopamine, a silica nanoparticle precursor, a silane grafting compound, and an alcohol compound into the subsurface formation. The method also includes allowing generation of ammonia through thermal decomposition of the urea and allowing the silica nanoparticle precursor to hydrolyze, thereby forming silica nanoparticles. The method further includes allowing the silane grafting compound to graft onto the silica nanoparticles, thereby forming functionalized silica nanoparticles. The method also includes allowing polymerization of the dopamine, thereby forming polydopamine. The method also includes allowing the functionalized silica nanoparticles to attach to the subsurface formation via the polydopamine, thereby reducing condensate in the subsurface formation.

公开(公告)号：US12140578B2

公开(公告)日：2024-11-12

申请号：US18079644

申请日：2022-12-12

Applicant: Saudi Arabian Oil Company

Inventor： Hooisweng Ow ,  Gawain Thomas ,  Sehoon Chang ,  Wei Wang

IPC: G01N30/74 ,  G01N21/64 ,  G01N33/18 ,  G01N30/02

Abstract: Systems and methods for analyzing groundwater samples with multiple organic tracer species from a petroleum containing reservoir include obtaining the sample, isolating an aqueous fraction of the groundwater sample, separating the aqueous fraction into a plurality of components, where each component corresponds to a different one of the organic tracer species, combining each of the separated components with at least one lanthanide element to form a plurality of component solutions, where a ratio of the at least one lanthanide element to the separated component in each component solution is 5:1 or greater, and analyzing each component solution to determine a relative amount of each organic tracer species in the groundwater sample.

公开(公告)号：US12077504B2

公开(公告)日：2024-09-03

申请号：US18162495

申请日：2023-01-31

Applicant: Saudi Arabian Oil Company

Inventor： Hooisweng Ow ,  Rena Shi ,  Jason R. Cox ,  Sehoon Chang

IPC: C09K11/07 ,  C07D203/04 ,  C07D213/55 ,  C07D213/79 ,  C07D213/89 ,  C07D401/04 ,  C07D403/02 ,  C07D471/04 ,  C09K8/03 ,  E21B43/16 ,  E21B47/11 ,  E21B49/08 ,  G01N21/64

CPC classification number: C07D213/55 ,  C07D213/79 ,  C07D213/89 ,  C07D401/04 ,  C07D471/04 ,  C09K8/03 ,  C09K11/07 ,  E21B43/16 ,  E21B47/11 ,  E21B49/08 ,  G01N21/6408 ,  G01N21/643 ,  C09K2211/1018 ,  C09K2211/182 ,  E21B49/0875 ,  G01N2021/641 ,  G01N2201/129

Abstract: The disclosure features methods of analyzing a fluid extracted from a reservoir, the methods including introducing a first composition featuring a first complexing agent into a reservoir at a first location, extracting a fluid from the reservoir at a second location different from the first location, combining the fluid with a second composition featuring a concentration of a lanthanide ion to form a third composition featuring a concentration of a complex formed by the first complexing agent and the lanthanide ion, exposing a quantity of the complex to electromagnetic radiation for a first time period ending at a time to, detecting fluorescence emission from the quantity of the complex for a second time period starting at a time t1>t0, where t1−t0 is greater than 2 microseconds, and determining information about a fluid flow path between the first location and the second location.

公开(公告)号：US20240067606A1

公开(公告)日：2024-02-29

申请号：US18488516

申请日：2023-10-17

Applicant: Saudi Arabian Oil Company

Inventor： Hooisweng Ow ,  Rena Shi ,  Jason R. Cox ,  Sehoon Chang

IPC: C07D213/55 ,  C07D213/79 ,  C07D213/89 ,  C07D401/04 ,  C07D471/04 ,  C09K8/03 ,  C09K11/07 ,  E21B43/16 ,  E21B47/11 ,  E21B49/08 ,  G01N21/64

CPC classification number: C07D213/55 ,  C07D213/79 ,  C07D213/89 ,  C07D401/04 ,  C07D471/04 ,  C09K8/03 ,  C09K11/07 ,  E21B43/16 ,  E21B47/11 ,  E21B49/08 ,  G01N21/6408 ,  G01N21/643 ,  C09K2211/1018 ,  C09K2211/182 ,  E21B49/0875 ,  G01N2021/6441 ,  G01N2201/129

Abstract: The disclosure features methods of analyzing a fluid extracted from a reservoir, the methods including introducing a first composition featuring a first complexing agent into a reservoir at a first location, extracting a fluid from the reservoir at a second location different from the first location, combining the fluid with a second composition featuring a concentration of a lanthanide ion to form a third composition featuring a concentration of a complex formed by the first complexing agent and the lanthanide ion, exposing a quantity of the complex to electromagnetic radiation for a first time period ending at a time t0, detecting fluorescence emission from the quantity of the complex for a second time period starting at a time t1>t0, where t0−t0 is greater than 2 microseconds, and determining information about a fluid flow path between the first location and the second location.

公开(公告)号：US11708272B2

公开(公告)日：2023-07-25

申请号：US17940367

申请日：2022-09-08

Applicant: Saudi Arabian Oil Company

Inventor： Wei Wang ,  Sehoon Chang

IPC: C09K8/584 ,  C01B32/198 ,  C01B32/205 ,  C09K8/92 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/194

CPC classification number: C01B32/198 ,  C01B32/205 ,  C09K8/584 ,  C09K8/92 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/194 ,  C01B2204/20 ,  C01P2004/64 ,  C01P2004/80 ,  C09K2208/10

Abstract: Synthesizing Janus material including forming a lamellar phase having water layers and organic layers, incorporating nanosheets and a functional agent into the lamellar phase, and attaching the functional agent to the nanosheets in the lamellar phase to form Janus nanosheets.

公开(公告)号：US11534759B2

公开(公告)日：2022-12-27

申请号：US17155619

申请日：2021-01-22

Applicant: Saudi Arabian Oil Company

Inventor： Wei Wang ,  Sehoon Chang ,  Martin E. Poitzsch

IPC: B01L3/00

Abstract: Spherical grains and sacrificial particles are mixed in a suspension. The sacrificial particles are larger than the spherical grains. The suspension is injected into a channel in a microfluidic chip, and the spherical grains form microporous structures in the channel. The microporous structures are sintered in the channel. A solvent is injected into the channel, and the solvent dissolves the sacrificial particles and forms macropores between at least some of the microporous structures, thereby forming a mixed-porosity microfluidic chip.

公开(公告)号：US11472709B2

公开(公告)日：2022-10-18

申请号：US16818632

申请日：2020-03-13

Applicant: Saudi Arabian Oil Company

Inventor： Wei Wang ,  Sehoon Chang

IPC: C09K8/584 ,  C01B32/198 ,  C01B32/205 ,  C09K8/92 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/194

Abstract: Synthesizing Janus material including forming a lamellar phase having water layers and organic layers, incorporating nanosheets and a functional agent into the lamellar phase, and attaching the functional agent to the nanosheets in the lamellar phase to form Janus nanosheets.

公开(公告)号：US20220234040A1

公开(公告)日：2022-07-28

申请号：US17155619

申请日：2021-01-22

Applicant: Saudi Arabian Oil Company

Inventor： Wei Wang ,  Sehoon Chang ,  Martin E. Poitzsch

IPC: B01L3/00

Abstract: Spherical grains and sacrificial particles are mixed in a suspension. The sacrificial particles are larger than the spherical grains. The suspension is injected into a channel in a microfluidic chip, and the spherical grains form microporous structures in the channel. The microporous structures are sintered in the channel. A solvent is injected into the channel, and the solvent dissolves the sacrificial particles and forms macropores between at least some of the microporous structures, thereby forming a mixed-porosity microfluidic chip.

公开(公告)号：US20220025248A1

公开(公告)日：2022-01-27

申请号：US17381344

申请日：2021-07-21

Applicant: Saudi Arabian Oil Company

Inventor： Wei Wang ,  Sehoon Chang ,  Amr I. Abdel-Fattah

IPC: C09K8/70 ,  C09K8/84 ,  C09K8/60

Abstract: Enhanced oil recovery (EOR) including with a lamellar phase having Janus nanoparticles, petroleum surfactant, crude oil, and water and with additional water to give the flooding fluid that may be pumped through a wellbore into a subterranean formation to affect a property of hydrocarbon in the subterranean formation via contact of the flooding fluid with the hydrocarbon.

公开(公告)号：US20210095318A1

公开(公告)日：2021-04-01

申请号：US17030914

申请日：2020-09-24

Applicant: Saudi Arabian Oil Company

Inventor： Wei Wang ,  Hooisweng Ow ,  Sehoon Chang

IPC: C12P7/16 ,  E21B43/241 ,  C01C1/08 ,  C01B33/12 ,  C08G61/12

Abstract: A method for reducing condensate in a subsurface formation is disclosed. The method includes introducing a reactive mixture including an aqueous solution, urea, dopamine, a silica nanoparticle precursor, a silane grafting compound, and an alcohol compound into the subsurface formation. The method also includes allowing generation of ammonia through thermal decomposition of the urea and allowing the silica nanoparticle precursor to hydrolyze, thereby forming silica nanoparticles. The method further includes allowing the silane grafting compound to graft onto the silica nanoparticles, thereby forming functionalized silica nanoparticles. The method also includes allowing polymerization of the dopamine, thereby forming polydopamine. The method also includes allowing the functionalized silica nanoparticles to attach to the subsurface formation via the polydopamine, thereby reducing condensate in the subsurface formation.