Patents by Inventor Bitao Lai
Bitao Lai 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: 10760395Abstract: Techniques for hydraulically fracturing a geologic formation include circulating a proppant-free hydraulic fracturing liquid into a wellbore that is formed from a terranean surface into a geologic formation within a subterranean zone that is adjacent the wellbore; fluidly contacting the geologic formation with the proppant-free hydraulic fracturing liquid for a specified duration of time; and subsequent to the specified duration of time, circulating a hydraulic fracturing liquid that includes proppant into the wellbore to fracture the geologic formation.Type: GrantFiled: July 25, 2019Date of Patent: September 1, 2020Assignee: Saudi Arabian Oil CompanyInventors: Bitao Lai, Feng Liang, Leiming Li, Jilin Zhang
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Patent number: 10670506Abstract: The disclosure relates to methods for determining imbibition of hydraulic fracturing fluids into hydrocarbon-bearing formations. More specifically, the disclosure relates to laboratory methods for determining certain unconventional flow parameters to measure the imbibition over time of hydraulic fracturing fluids into a low-permeability hydrocarbon-bearing rock formation.Type: GrantFiled: June 13, 2019Date of Patent: June 2, 2020Assignee: Saudi Arabian Oil CompanyInventors: Hui-Hai Liu, Bitao Lai, JinHong Chen
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Patent number: 10591399Abstract: The present invention relates to methods for analyzing and modeling natural gas flow in subterranean shale reservoirs. In preferred embodiments, methodologies and techniques for determining and modeling natural gas flow in shale formations using methodologies and techniques capable of determining natural gas properties related to dual-continuum flow, permeability and pressure within a subterranean shale reservoir. In some embodiments, the natural gas properties are determined by subjecting a subterranean shale reservoir sample to pulse-decay analysis. In certain embodiments, the methodologies and techniques described herein may be used in various reservoirs exhibiting macroporosity and/or microporosity, such as fractured reservoirs and carbonate reservoirs composed of reservoir fluids.Type: GrantFiled: July 18, 2016Date of Patent: March 17, 2020Assignee: Saudi Arabian Oil CompanyInventors: Hui-Hai Liu, Bitao Lai, Jinhong Chen, Daniel T. Georgi
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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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Publication number: 20190345805Abstract: Techniques for hydraulically fracturing a geologic formation include circulating a proppant-free hydraulic fracturing liquid into a wellbore that is formed from a terranean surface into a geologic formation within a subterranean zone that is adjacent the wellbore; fluidly contacting the geologic formation with the proppant-free hydraulic fracturing liquid for a specified duration of time; and subsequent to the specified duration of time, circulating a hydraulic fracturing liquid that includes proppant into the wellbore to fracture the geologic formation.Type: ApplicationFiled: July 25, 2019Publication date: November 14, 2019Applicant: Saudi Arabian Oil CompanyInventors: Bitao Lai, Feng Liang, Leiming Li, Jilin Zhang
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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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Publication number: 20190293542Abstract: The disclosure relates to methods for determining imbibition of hydraulic fracturing fluids into hydrocarbon-bearing formations. More specifically, the disclosure relates to laboratory methods for determining certain unconventional flow parameters to measure the imbibition over time of hydraulic fracturing fluids into a low-permeability hydrocarbon-bearing rock formation.Type: ApplicationFiled: June 13, 2019Publication date: September 26, 2019Applicant: Saudi Arabian Oil CompanyInventors: Hui-Hai Liu, Bitao Lai, JinHong Chen
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Patent number: 10415358Abstract: Techniques for hydraulically fracturing a geologic formation include circulating a proppant-free hydraulic fracturing liquid into a wellbore that is formed from a terranean surface into a geologic formation within a subterranean zone that is adjacent the wellbore; fluidly contacting the geologic formation with the proppant-free hydraulic fracturing liquid for a specified duration of time; and subsequent to the specified duration of time, circulating a hydraulic fracturing liquid that includes proppant into the wellbore to fracture the geologic formation.Type: GrantFiled: February 17, 2017Date of Patent: September 17, 2019Assignee: Saudi Arabian Oil CompanyInventors: Bitao Lai, Feng Liang, Leiming Li, Jilin Zhang
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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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Patent number: 10365200Abstract: The disclosure relates to methods for determining imbibition of hydraulic fracturing fluids into hydrocarbon-bearing formations. More specifically, the disclosure relates to laboratory methods for determining certain unconventional flow parameters to measure the imbibition over time of hydraulic fracturing fluids into a low-permeability hydrocarbon-bearing rock formation.Type: GrantFiled: May 20, 2016Date of Patent: July 30, 2019Assignee: SAUDI ARABIAN OIL COMPANYInventors: Hui-Hai Liu, Bitao Lai, JinHong Chen
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Patent number: 10254207Abstract: Techniques for determining rock properties include exerting a compressive load with a test apparatus across a rock sample that includes a specified length-to-diameter ratio; measuring, with a strain gauge, a strain on the rock sample during the compressive loading; determining, based at least in part on the compressive load, a mechanical property of the rock sample; and determining, based at least in part on the measured strain and the compressive load, an elastic property of the rock sample.Type: GrantFiled: December 4, 2017Date of Patent: April 9, 2019Assignee: Saudi Arabian Oil CompanyInventors: Bitao Lai, Hui Li, Hui-Hai Liu, Yanhui Han
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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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Publication number: 20180238154Abstract: Techniques for hydraulically fracturing a geologic formation include circulating a proppant-free hydraulic fracturing liquid into a wellbore that is formed from a terranean surface into a geologic formation within a subterranean zone that is adjacent the wellbore; fluidly contacting the geologic formation with the proppant-free hydraulic fracturing liquid for a specified duration of time; and subsequent to the specified duration of time, circulating a hydraulic fracturing liquid that includes proppant into the wellbore to fracture the geologic formation.Type: ApplicationFiled: February 17, 2017Publication date: August 23, 2018Inventors: Bitao LAI, Feng LIANG, Leiming LI, Jilin ZHANG
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Patent number: 10048179Abstract: Techniques for determining rock properties include exerting a compressive load with a test apparatus across a rock sample that includes a specified length-to-diameter ratio; measuring, with a strain gauge, a strain on the rock sample during the compressive loading; determining, based at least in part on the compressive load, a mechanical property of the rock sample; and determining, based at least in part on the measured strain and the compressive load, an elastic property of the rock sample.Type: GrantFiled: April 13, 2016Date of Patent: August 14, 2018Assignee: Saudi Arabian Oil CompanyInventors: Bitao Lai, Hui Li, Hui-Hai Liu, Yanhui Han
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Patent number: 9983106Abstract: A compressive load is exerted with a test apparatus across a rock sample that has a specified length-to-diameter ratio. A strain on the rock sample is measured during the compressive loading with a strain gauge. A mechanical property of the rock sample is determined based at least in part on the compressive load. An elastic property of the rock sample is determined based at least in part on the measured strain and the compressive load.Type: GrantFiled: March 20, 2017Date of Patent: May 29, 2018Assignee: Saudi Arabian Oil CompanyInventors: Yanhui Han, Bitao Lai, Hui-Hai Liu, Hui Li
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Publication number: 20180088014Abstract: Techniques for determining rock properties include exerting a compressive load with a test apparatus across a rock sample that includes a specified length-to-diameter ratio; measuring, with a strain gauge, a strain on the rock sample during the compressive loading; determining, based at least in part on the compressive load, a mechanical property of the rock sample; and determining, based at least in part on the measured strain and the compressive load, an elastic property of the rock sample.Type: ApplicationFiled: December 4, 2017Publication date: March 29, 2018Applicant: Saudi Arabian Oil CompanyInventors: Bitao Lai, Hui Li, Hui-Hai Liu, Yanhui Han
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Publication number: 20170299486Abstract: A compressive load is exerted with a test apparatus across a rock sample that has a specified length-to-diameter ratio. A strain on the rock sample is measured during the compressive loading with a strain gauge. A mechanical property of the rock sample is determined based at least in part on the compressive load. An elastic property of the rock sample is determined based at least in part on the measured strain and the compressive load.Type: ApplicationFiled: March 20, 2017Publication date: October 19, 2017Inventors: Yanhui HAN, Bitao LAI, Hui-Hai LIU, Hui LI
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Publication number: 20170299485Abstract: Techniques for determining rock properties include exerting a compressive load with a test apparatus across a rock sample that includes a specified length-to-diameter ratio; measuring, with a strain gauge, a strain on the rock sample during the compressive loading; determining, based at least in part on the compressive load, a mechanical property of the rock sample; and determining, based at least in part on the measured strain and the compressive load, an elastic property of the rock sample.Type: ApplicationFiled: April 13, 2016Publication date: October 19, 2017Inventors: Bitao Lai, Hui Li, Hui-Hai Liu, Yanhui Han
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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