Patents by Inventor Daniel Georgi
Daniel Georgi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10571384Abstract: Methods and systems for determining permeability, as a function of pore pressure, and porosity of a subsurface formation. The method includes positioning a sample in a sample assembly comprising of a gas and a pressure gauge, inside a pressure vessel comprising gas or liquid and a pressure gauge, measuring a first gas pressure, pi, of the sample inside the pressure vessel, applying a second gas pressure, po, to the pressure vessel, the second gas pressure being greater than the first gas pressure, measuring a third gas pressure, p, at time, t, at location, x, from the inlet of sample inside the pressure vessel, determining a total gas mass per unit volume of the subsurface formation, m, and determining the permeability, k, of the subsurface formation as a function of pore pressure based at least in part on the first gas pressure, the second pressure, the third gas pressure, and the gas density, with a single test run.Type: GrantFiled: April 26, 2019Date of Patent: February 25, 2020Assignee: Saudi Arabian Oil CompanyInventors: Hui-Hai Liu, Bitao Lai, Jilin Jay Zhang, Daniel Georgi, Xinwo Huang
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Patent number: 10436696Abstract: Methods and systems for determining permeability, as a function of pore pressure, and porosity of a subsurface formation. The method includes positioning a sample in a sample assembly comprising of a gas and a pressure gauge, inside a pressure vessel comprising gas or liquid and a pressure gauge, measuring a first gas pressure, pi, of the sample inside the pressure vessel, applying a second gas pressure, po, to the pressure vessel, the second gas pressure being greater than the first gas pressure, measuring a third gas pressure, p, at time, t, at location, x, from the inlet of sample inside the pressure vessel, determining a total gas mass per unit volume of the subsurface formation, m, and determining the permeability, k, of the subsurface formation as a function of pore pressure based at least in part on the first gas pressure, the second pressure, the third gas pressure, and the gas density, with a single test run.Type: GrantFiled: August 7, 2018Date of Patent: October 8, 2019Assignee: Saudi Arabian Oil CompanyInventors: Hui-Hai Liu, Bitao Lai, Jilin Jay Zhang, Daniel Georgi, Xinwo Huang
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Patent number: 10401274Abstract: Methods and systems for determining permeability, as a function of pore pressure, and porosity of a subsurface formation. The method includes positioning a sample in a sample assembly comprising of a gas and a pressure gauge, inside a pressure vessel comprising gas or liquid and a pressure gauge, measuring a first gas pressure, pi, of the sample inside the pressure vessel, applying a second gas pressure, po, to the pressure vessel, the second gas pressure being greater than the first gas pressure, measuring a third gas pressure, p, at time, t, at location, x, from the inlet of sample inside the pressure vessel, determining a total gas mass per unit volume of the subsurface formation, m, and determining the permeability, k, of the subsurface formation as a function of pore pressure based at least in part on the first gas pressure, the second pressure, the third gas pressure, and the gas density, with a single test run.Type: GrantFiled: December 14, 2016Date of Patent: September 3, 2019Assignee: Saudi Arabian Oil CompanyInventors: Hui-Hai Liu, Bitao Lai, Jilin Jay Zhang, Daniel Georgi, Xinwo Huang
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Publication number: 20190250091Abstract: Methods and systems for determining permeability, as a function of pore pressure, and porosity of a subsurface formation. The method includes positioning a sample in a sample assembly comprising of a gas and a pressure gauge, inside a pressure vessel comprising gas or liquid and a pressure gauge, measuring a first gas pressure, pi, of the sample inside the pressure vessel, applying a second gas pressure, po, to the pressure vessel, the second gas pressure being greater than the first gas pressure, measuring a third gas pressure, p, at time, t, at location, x, from the inlet of sample inside the pressure vessel, determining a total gas mass per unit volume of the subsurface formation, m, and determining the permeability, k, of the subsurface formation as a function of pore pressure based at least in part on the first gas pressure, the second pressure, the third gas pressure, and the gas density, with a single test run.Type: ApplicationFiled: April 26, 2019Publication date: August 15, 2019Inventors: Hui-Hai Liu, Bitao Lai, Jilin Jay Zhang, Daniel Georgi, Xinwo Huang
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Publication number: 20180340878Abstract: Methods and systems for determining permeability, as a function of pore pressure, and porosity of a subsurface formation. The method includes positioning a sample in a sample assembly comprising of a gas and a pressure gauge, inside a pressure vessel comprising gas or liquid and a pressure gauge, measuring a first gas pressure, pi, of the sample inside the pressure vessel, applying a second gas pressure, po, to the pressure vessel, the second gas pressure being greater than the first gas pressure, measuring a third gas pressure, p, at time, t, at location, x, from the inlet of sample inside the pressure vessel, determining a total gas mass per unit volume of the subsurface formation, m, and determining the permeability, k, of the subsurface formation as a function of pore pressure based at least in part on the first gas pressure, the second pressure, the third gas pressure, and the gas density, with a single test run.Type: ApplicationFiled: August 7, 2018Publication date: November 29, 2018Inventors: Hui-Hai Liu, Bitao Lai, Jilin Jay Zhang, Daniel Georgi, Xinwo Huang
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Patent number: 9970852Abstract: A method for determining the tensile strength of a rock sample comprising the steps of obtaining the rock sample, measuring a water content of the rock sample through a water measurement method, determining a matrix bulk modulus of the rock sample, wherein the matrix bulk modulus is determined through a matrix modulus method, heating the rock sample with electromagnetic energy such that the electromagnetic energy heats the water content in the rock sample from an initial temperature, wherein heating the water content causes a pore-water pressure of the rock sample to increase, detecting a break in the rock sample with a sensor, wherein the increase in the pore-water pressure causes the rock sample to break, wherein the break occurs at a break time, at a break temperature; and calculating the pore-water pressure through the water content, the matrix bulk modulus, and the break temperature of the water content.Type: GrantFiled: October 22, 2015Date of Patent: May 15, 2018Assignee: SAUDI ARABIAN OIL COMPANYInventors: JinHong Chen, Daniel Georgi, Lorne Davis, Hui-Hai Liu
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Publication number: 20170167964Abstract: Methods and systems for determining permeability, as a function of pore pressure, and porosity of a subsurface formation. The method includes positioning a sample in a sample assembly comprising of a gas and a pressure gauge, inside a pressure vessel comprising gas or liquid and a pressure gauge, measuring a first gas pressure, pi, of the sample inside the pressure vessel, applying a second gas pressure, po, to the pressure vessel, the second gas pressure being greater than the first gas pressure, measuring a third gas pressure, p, at time, t, at location, x, from the inlet of sample inside the pressure vessel, determining a total gas mass per unit volume of the subsurface formation, m, and determining the permeability, k, of the subsurface formation as a function of pore pressure based at least in part on the first gas pressure, the second pressure, the third gas pressure, and the gas density, with a single test run.Type: ApplicationFiled: December 14, 2016Publication date: June 15, 2017Inventors: Hui-Hai Liu, Bitao Lai, Jilin Jay Zhang, Daniel Georgi, Xinwo Huang
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Publication number: 20160116388Abstract: A method for determining the tensile strength of a rock sample comprising the steps of obtaining the rock sample, measuring a water content of the rock sample through a water measurement method, determining a matrix bulk modulus of the rock sample, wherein the matrix bulk modulus is determined through a matrix modulus method, heating the rock sample with electromagnetic energy such that the electromagnetic energy heats the water content in the rock sample from an initial temperature, wherein heating the water content causes a pore-water pressure of the rock sample to increase, detecting a break in the rock sample with a sensor, wherein the increase in the pore-water pressure causes the rock sample to break, wherein the break occurs at a break time, at a break temperature; and calculating the pore-water pressure through the water content, the matrix bulk modulus, and the break temperature of the water content.Type: ApplicationFiled: October 22, 2015Publication date: April 28, 2016Inventors: JinHong CHEN, Daniel GEORGI, Lorne DAVIS, Hui-Hai LIU
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Patent number: 8610431Abstract: An apparatus for estimating a property of an earth formation penetrated by a borehole, the apparatus includes: a carrier configured to be conveyed through the borehole; a nuclear magnetic resonance (NMR) instrument disposed at the carrier and configured to perform an NMR measurement on a volume sensitive to the NMR measurement; and a contrast agent disposed in the volume and comprising particles that form a suspension in a liquid, the suspension of particles being configured increase a magnetic field gradient of at least one earth formation material in the volume to change an NMR relaxation time constant of the at least one earth formation material; wherein the NMR measurement on the volume containing the at least one earth formation material and the contrast agent is used to estimate the property.Type: GrantFiled: January 25, 2011Date of Patent: December 17, 2013Assignee: Baker Hughes IncorporatedInventors: Songhua Chen, Daniel Georgi
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Patent number: 8471197Abstract: A method for estimating a concentration of carbon dioxide (CO2) in a formation penetrated by a borehole, the method includes: conveying a carrier through the borehole; irradiating the formation with neutrons from a neutron source disposed at the carrier; detecting photons from the formation resulting from the irradiating; and estimating the concentration of CO2 from data acquired from the detecting.Type: GrantFiled: June 23, 2010Date of Patent: June 25, 2013Assignee: Baker Hughes IncorporatedInventors: Feyzi Inanc, Daniel Georgi, W. Allen Gilchrist, Xiaogang Han
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Publication number: 20110181278Abstract: An apparatus for estimating a property of an earth formation penetrated by a borehole, the apparatus includes: a carrier configured to be conveyed through the borehole; a nuclear magnetic resonance (NMR) instrument disposed at the carrier and configured to perform an NMR measurement on a volume sensitive to the NMR measurement; and a contrast agent disposed in the volume and comprising particles that form a suspension in a liquid, the suspension of particles being configured increase a magnetic field gradient of at least one earth formation material in the volume to change an NMR relaxation time constant of the at least one earth formation material; wherein the NMR measurement on the volume containing the at least one earth formation material and the contrast agent is used to estimate the property.Type: ApplicationFiled: January 25, 2011Publication date: July 28, 2011Applicant: BAKER HUGHES INCORPORATEDInventors: Songhua Chen, Daniel Georgi
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Publication number: 20100332138Abstract: A method for estimating a concentration of carbon dioxide (CO2) in a formation penetrated by a borehole, the method includes: conveying a carrier through the borehole; irradiating the formation with neutrons from a neutron source disposed at the carrier; detecting photons from the formation resulting from the irradiating; and estimating the concentration of CO2 from data acquired from the detecting.Type: ApplicationFiled: June 23, 2010Publication date: December 30, 2010Applicant: BAKER HUGHES INCORPORATEDInventors: Feyzi Inanc, Daniel Georgi, W. Allen Gilchrist, Xiaogang Han
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Publication number: 20080120034Abstract: The grain size of a pore-scale geometric model of a clastic earth formation are adjusted so that the NMR relaxation time distribution output of the model matches a measured NMR distribution. Fluid drainage and imbibing can be simulated. Additional properties of the earth formation are predicted using the pore-scale model. The additional properties may be based on additional measurements of properties of a fluid in the formation.Type: ApplicationFiled: January 21, 2008Publication date: May 22, 2008Applicant: BAKER HUGHES INCORPORATEDInventors: Daniel Georgi, Mikhail Gladkikh, Songhua Chen
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Publication number: 20070267192Abstract: Multicomponent induction measurements may underestimate the anisotropy in formations where the bedding changes with distance from the borehole. The measurements may still be used to determine horizontal and vertical resistivity, and to identify complicated bedding structure such as that associated with channel sands and turbidite deposits. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.Type: ApplicationFiled: April 26, 2007Publication date: November 22, 2007Applicant: BAKER HUGHES INCORPORATEDInventors: Tsili Wang, Alexandre Bespalov, Bill Corley, Daniel Georgi, Michael Rabinovich
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Publication number: 20070157719Abstract: In one method, the permeabilities are obtained by correcting the geometric factor derived from combining the FRA analysis and buildup analysis.Type: ApplicationFiled: January 22, 2007Publication date: July 12, 2007Applicant: BAKER HUGHES INCORPORATEDInventors: James Sheng, Daniel Georgi
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Publication number: 20070127314Abstract: A resistivity logging tool suitable for downhole use includes a transmitter and two spaced apart receivers. The measured signals are inverted to determine the distance to an overpressured zone in the earth formation. The overpressured zone may be a transition zone in resistivity. The direction of drilling may be controlled based on the determined distance. Optionally, seismic-while drilling measurements may be made from which a separate estimate of the distance can be obtained. The SWD® measurements may also be processed to estimate the pore pressure.Type: ApplicationFiled: August 11, 2006Publication date: June 7, 2007Applicant: Baker Hughes IncorporatedInventors: Tsili Wang, Daniel Georgi, Michael Phillips, Eduard Van Wijk, Christian Fulda
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Patent number: 7227355Abstract: Spin echo signals measured with a multifrequency NMR logging tool are analyzed to determine if one or more of the regions of examination associated with each of the frequencies has signal contamination from borehole fluids. A variety of different methods can be used for analysis. Corrected spin echo signals can be obtained and processed to give improved estimates of formation parameters.Type: GrantFiled: May 27, 2004Date of Patent: June 5, 2007Assignee: Baker Hughes IncorporatedInventors: Songhua Chen, Gigi Zhang, Daniel Georgi
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Publication number: 20070044959Abstract: An apparatus and method for evaluating a formation is presented. The apparatus comprises a tubular string deployed into a wellbore penetrating the formation, where the tubular string has a longitudinal flow passage therethrough. A flow sub in the tubular string provides fluid communication between the longitudinal flow passage in the tubular string and an annulus between the tubular string and a wall of the wellbore. A wireline tool is attached proximate a bottom end of the flow sub. A telemetry module proximate the flow sub provides communication between the wireline tool and a surface system, without the use of a wireline to the surface.Type: ApplicationFiled: September 1, 2005Publication date: March 1, 2007Applicant: Baker Hughes IncorporatedInventor: Daniel Georgi
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Patent number: 7157915Abstract: A method of determining the distribution of shales, sands and water in a reservoir including laminated shaly sands using vertical and horizontal conductivities derived from nuclear, NMR, and multi-component induction data such as from a Multicomponent Induction Logging ToolType: GrantFiled: January 14, 2004Date of Patent: January 2, 2007Assignee: Baker Hughes IncorporatedInventors: Juergen S. Schoen, Otto N. Fanini, Daniel Georgi
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Publication number: 20060287201Abstract: Parameters of a pore-scale geometric model of a clastic earth formation are adjusted so that the output of the model matches measurements made on a core sample. Additional properties of the earth formation are predicted using the pore-scale model. The additional properties may be based on additional measurements of properties of a fluid in the formation.Type: ApplicationFiled: June 3, 2005Publication date: December 21, 2006Inventors: Daniel Georgi, Songhua Chen, David Jacobi