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公开(公告)号：US20240118224A1
公开(公告)日：2024-04-11
申请号：US17937309
申请日：2022-09-30
Applicant: ARAMCO SERVICES COMPANY
Inventor： Jin-Hong Chen , Stacey M. Althaus , Mohammed Boudjatit , Houzhu Zhang
IPC: G01N24/08 , E21B7/04 , E21B47/022 , G01N33/24
CPC classification number: G01N24/081 , E21B7/04 , E21B47/022 , G01N33/241 , G01N33/246 , E21B2200/20
Abstract: A method and system for determining a mass of an absorbed gas and a mass of a pore gas in a sample using NMR spectroscopy is provided. The method includes acquiring a baseline NMR spectrum of a pressure cell containing the sample, saturating the sample with a gas, acquiring a saturated NMR spectrum and determining a differential NMR spectrum of the sample by subtracting the baseline NMR spectrum from the saturated NMR spectrum. The method also includes separating the differential NMR spectrum into an absorbed gas NMR spectrum to determine an absorbed gas NMR signal and a pore gas NMR spectrum to determine a pore gas NMR signal by performing a spectral deconvolution. The method further includes acquiring a normalization NMR spectrum of the pressure cell containing a gas to determine a gas calibration NMR signal and determining the mass of the absorbed gas and pore gas.
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公开(公告)号：US11988620B2
公开(公告)日：2024-05-21
申请号：US17814170
申请日：2022-07-21
Applicant: ARAMCO SERVICES COMPANY
Inventor： Jin-Hong Chen , Stacey M. Althaus , Mohammed Boudjatit , Gary Eppler
CPC classification number: G01N24/081 , E21B44/00 , E21B47/06 , E21B49/02 , G01N15/082 , G01N33/24 , G01V20/00 , E21B7/04 , E21B2200/20
Abstract: A method and system for determining an uncorrupted NMR response from a sample at a predetermined measurement pressure is provided. The method includes obtaining a sample and a filler fluid with a negligible NMR response, determining a volume of filler fluid based on a dimension of the sample and an interior volume of a pressure cell, injecting the volume of filler fluid at a first temperature into the pressure cell and then changing the temperature of the volume of the filler fluid to a second temperature. The method also includes inserting the sample into the volume of filler fluid within the pressure cell, displacing an upper surface of filler fluid to a predetermined level within the interior volume of the pressure cell. The method still further includes establishing the predetermined measurement pressure within the pressure cell and determining the uncorrupted NMR response from the sample at the predetermined measurement pressure.
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公开(公告)号：US20240027378A1
公开(公告)日：2024-01-25
申请号：US17814170
申请日：2022-07-21
Applicant: ARAMCO SERVICES COMPANY
Inventor： Jin-Hong Chen , Stacey M. Althaus , Mohammed Boudjatit , Gary Eppler
CPC classification number: G01N24/081 , G01V99/005 , G01N33/24 , E21B41/00 , E21B47/06 , E21B44/00 , E21B49/02 , E21B2200/20
Abstract: A method and system for determining an uncorrupted NMR response from a sample at a predetermined measurement pressure is provided. The method includes obtaining a sample and a filler fluid with a negligible NMR response, determining a volume of filler fluid based on a dimension of the sample and an interior volume of a pressure cell, injecting the volume of filler fluid at a first temperature into the pressure cell and then changing the temperature of the volume of the filler fluid to a second temperature. The method also includes inserting the sample into the volume of filler fluid within the pressure cell, displacing an upper surface of filler fluid to a predetermined level within the interior volume of the pressure cell. The method still further includes establishing the predetermined measurement pressure within the pressure cell and determining the uncorrupted NMR response from the sample at the predetermined measurement pressure.
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4.发明公开公开(公告)号：US20230152484A1
公开(公告)日：2023-05-18
申请号：US17455128
申请日：2021-11-16
Applicant: ARAMCO SERVICES COMPANY
Inventor： Jin-Hong Chen , Stacey M. Althaus , Houzhu Zhang
CPC classification number: G01V5/12 , E21B47/111
Abstract: A method may include obtaining, using a gamma-ray detector, first acquired gamma-ray data regarding a first core sample. The first acquired gamma-ray data may correspond to various sensor steps. The method may further include determining a sensitivity map based on the first acquired gamma-ray data. The method may further include obtaining, using the gamma-ray detector, second acquired gamma-ray data regarding a second core sample at the sensor steps. The method further includes generating a gamma-ray log using the sensitivity map and a gamma-ray inversion process.
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5.发明申请公开(公告)号：US20250067718A1
公开(公告)日：2025-02-27
申请号：US18456438
申请日：2023-08-25
Applicant: ARAMCO SERVICES COMPANY
Inventor： Anuj Gupta , Jewel Duncan , Stacey M. Althaus , Shannon Lee Eichmann
Abstract: A method to perform a field operation of an unconventional reservoir is disclosed. The method includes selecting, from rock samples and based on test reports of corresponding companion rock samples, selected rock samples representing rock characteristics of formation zones in the unconventional reservoir, performing, using a rock sample test apparatus, a sequence of rock sample test cycles on each selected rock sample to generate rock sample test results, generating, based on the rock sample test results, a ranking of the selected rock samples representing enhanced oil recovery (EOR) potential of the formation zones, selecting, from the formation zones and based on the ranking, a target formation zone having an EOR potential meeting a pre-determined criterion, and performing, based at least on the EOR potential of the target formation zone, the field production of the unconventional reservoir.
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Patent Agency Ranking
公开(公告)号：US20240392809A1
公开(公告)日：2024-11-28
申请号：US18321443
申请日：2023-05-22
Applicant: ARAMCO SERVICES COMPANY
Inventor： John David Broyles , Jinhong Chen , Stacey M. Althaus , Jewel Duncan
Abstract: A method for recovering a source gas at a specific pressure uses an adaptive repressurizer system including a series of valves configured to control flow circuit connections within the adaptive repressurizer system. The method includes disposing a gas container containing the source gas within the system. The method includes connecting the gas container; connecting a hydro source; connecting a utility gas source; connecting a vacuum source; and disposing an accumulator within the adaptive repressurizer system. The accumulator is connected to the gas side and to the hydraulic side circuits. The method includes moving the piston by pressurizing the gas-side circuit with the utility gas. The method includes actuating the adaptive repressurizer system to change a first gas pressure of the source gas to a second gas pressure; applying the source gas at the second gas pressure to a laboratory application; and evacuating the gas-side circuit to the vacuum source.
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公开(公告)号：US12153003B2
公开(公告)日：2024-11-26
申请号：US17937309
申请日：2022-09-30
Applicant: ARAMCO SERVICES COMPANY
Inventor： Jin-Hong Chen , Stacey M. Althaus , Mohammed Boudjatit , Houzhu Zhang
IPC: G01N24/08 , E21B7/04 , E21B47/022 , G01N33/24
Abstract: A method and system for determining a mass of an absorbed gas and a mass of a pore gas in a sample using NMR spectroscopy is provided. The method includes acquiring a baseline NMR spectrum of a pressure cell containing the sample, saturating the sample with a gas, acquiring a saturated NMR spectrum and determining a differential NMR spectrum of the sample by subtracting the baseline NMR spectrum from the saturated NMR spectrum. The method also includes separating the differential NMR spectrum into an absorbed gas NMR spectrum to determine an absorbed gas NMR signal and a pore gas NMR spectrum to determine a pore gas NMR signal by performing a spectral deconvolution. The method further includes acquiring a normalization NMR spectrum of the pressure cell containing a gas to determine a gas calibration NMR signal and determining the mass of the absorbed gas and pore gas.
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公开(公告)号：US11933935B2
公开(公告)日：2024-03-19
申请号：US17455128
申请日：2021-11-16
Applicant: ARAMCO SERVICES COMPANY
Inventor： Jin-Hong Chen , Stacey M. Althaus , Houzhu Zhang
CPC classification number: G01V5/12 , E21B47/111 , G01V5/045
Abstract: A method may include obtaining, using a gamma-ray detector, first acquired gamma-ray data regarding a first core sample. The first acquired gamma-ray data may correspond to various sensor steps. The method may further include determining a sensitivity map based on the first acquired gamma-ray data. The method may further include obtaining, using the gamma-ray detector, second acquired gamma-ray data regarding a second core sample at the sensor steps. The method further includes generating a gamma-ray log using the sensitivity map and a gamma-ray inversion process.
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9.发明授权公开(公告)号：US11740381B2
公开(公告)日：2023-08-29
申请号：US17372161
申请日：2021-07-09
Applicant: ARAMCO SERVICES COMPANY
Inventor： Jin-Hong Chen , Stacey M. Althaus , HouZhu Zhang , Hui-Hai Liu , Mohammed Boudjatit
CPC classification number: G01V3/32 , E21B49/02 , E21B49/0875 , G01N24/081 , G01N33/241 , E21B2200/20
Abstract: A method for determining maximum recoverable hydrocarbon (EMR) in a tight reservoir is disclosed. The method includes determining, based on downhole logs, a total measure of hydrocarbon amount within the tight reservoir, determining, by at least attributing fluid loss during core surfacing of the core sample to hydrocarbons, a non-recoverable measure of hydrocarbon amount within a core sample of the tight reservoir, and determining an EMR measure based on the total measure of hydrocarbon amount and the non-recoverable measure of hydrocarbon amount, wherein during the core surfacing pore pressure reduces from a reservoir condition to a surface condition.
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10.发明申请公开(公告)号：US20230012861A1
公开(公告)日：2023-01-19
申请号：US17372161
申请日：2021-07-09
Applicant: ARAMCO SERVICES COMPANY
Inventor： Jin-Hong Chen , Stacey M. Althaus , HouZhu Zhang , Hui-Hai Liu , Mohammed Boudjatit
Abstract: A method for determining maximum recoverable hydrocarbon (EMR) in a tight reservoir is disclosed. The method includes determining, based on downhole logs, a total measure of hydrocarbon amount within the tight reservoir, determining, by at least attributing fluid loss during core surfacing of the core sample to hydrocarbons, a non-recoverable measure of hydrocarbon amount within a core sample of the tight reservoir, and determining an EMR measure based on the total measure of hydrocarbon amount and the non-recoverable measure of hydrocarbon amount, wherein during the core surfacing pore pressure reduces from a reservoir condition to a surface condition.
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