Patents by Inventor Cong Lu
Cong Lu 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: 12264353Abstract: A method for cyclic biochemical conversion of carbon dioxide and hot gas cogeneration in depleted oil and gas reservoirs includes: S1: selecting a target depleted oil and gas reservoir; S2: adjusting a temperature of the target depleted oil and gas reservoir to 30° C. to 70° C. and detecting whether formation water of the target depleted oil and gas reservoir contains methanogenic archaea, in which if no methanogenic archaeon is contained, then methanogenic archaea is injected and step S3 is proceeded, and if methanogenic archaea are contained, then step S3 is proceeded directly; S3: injecting a mixture of carbon dioxide and hydrogen into the target depleted oil and gas reservoir through a gas injection well; and S4: shutting down the gas injection well to wait for the methanogenic archaea to convert carbon dioxide and hydrogen into methane and exploiting the methane and heat energy in the target depleted oil and gas reservoir.Type: GrantFiled: February 6, 2024Date of Patent: April 1, 2025Assignees: Southwest petroleum university, Zhengzhou UniversityInventors: Zhengmeng Hou, Lin Wu, Liangchao Huang, Zhifeng Luo, Jianhua Liu, Ming Dou, Xuning Wu, Qianjun Chen, Cong Lu
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Patent number: 12256341Abstract: Provided are an electronic device and method for wireless communication, and a computer-readable storage medium. The electronic device comprises a processing circuit configured to: determine the first power limiting region of the first primary user of a main system, wherein the first power limiting region is a three-dimensional space defined by the directional beams of the first primary user to the third primary user of the main system; and determine one or more secondary users in the first power limiting regions.Type: GrantFiled: November 15, 2023Date of Patent: March 18, 2025Assignee: SONY GROUP CORPORATIONInventors: Youping Zhao, Cong Lu, Chen Sun, Xin Guo
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Patent number: 12227696Abstract: The present invention pertains to the field of oilfield stimulation technologies for oil and gas field development, in particular to an instant soluble temperature and salt resistant polyacrylamide and the preparation method and application thereof, and the polyacrylamide is modified by adding rigid temperature and salt resistant monomer containing benzene ring and cationic fluorinated hydrophobic monomer on the basis of acrylamide monomer and sodium acrylate monomer, and then polymerized to obtain instant soluble temperature and salt resistant polyacrylamide. The temperature and salt resistant monomer containing benzene ring can improve the thermal stability and temperature and salt resistance of polyacrylamide, while the long-chain cationic fluorinated hydrophobic monomer can enhance the hydrophobicity of polymer. The comprehensive properties of polymer is improved by appropriate intermolecular association.Type: GrantFiled: July 25, 2023Date of Patent: February 18, 2025Assignees: Chengdu LEPS Technology Co., Ltd, Southwest Petroleum UniversityInventors: Jianchun Guo, Shan Ren, Cong Lu, Bin Liu, Shaobin Zhang, Huifei Mao, Su Diao, Xueshan Yang, Chaojun Tang, Junyao Ran, Guangyao Yang
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Patent number: 12168752Abstract: The present invention discloses a novel high-temperature visual acid etching test device and method; the test device includes a visual rock slab holder, an acid solution storage tank I, an acid solution storage tank II, a heating apparatus, a high-pressure water pump, a low-pressure acid pump, a back-pressure valve, an acid valve A, an acid valve B, an acid valve C, an acid valve D, an acid valve E, an acid valve F, a water valve G, a water valve H, a water valve I, a water valve J, and a water valve K; both the acid solution storage tank I and the acid solution storage tank II are provided with a piston therein, where the acid solution storage tank is divided into upper and lower independent parts by the piston. According to the present invention, the flowing process of an acid solution in a fracture can be directly observed to accurately characterize the distribution of the acid solution in the fracture, which facilitates a study on an acid etching mechanism.Type: GrantFiled: January 3, 2024Date of Patent: December 17, 2024Assignee: Southwest Petroleum UniversityInventors: Kun Wang, Shouxin Wang, Jianchun Guo, Chi Chen, Tao Zhang, Xiang Bai, Xinghao Gou, Jichuan Ren, Cong Lu, Bo Gou, Jie Lai
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Publication number: 20240327699Abstract: The present invention pertains to the field of oilfield stimulation technologies for oil and gas field development, in particular to an instant soluble temperature and salt resistant polyacrylamide and the preparation method and application thereof, and the polyacrylamide is modified by adding rigid temperature and salt resistant monomer containing benzene ring and cationic fluorinated hydrophobic monomer on the basis of acrylamide monomer and sodium acrylate monomer, and then polymerized to obtain instant soluble temperature and salt resistant polyacrylamide. The temperature and salt resistant monomer containing benzene ring can improve the thermal stability and temperature and salt resistance of polyacrylamide, while the long-chain cationic fluorinated hydrophobic monomer can enhance the hydrophobicity of polymer. The comprehensive properties of polymer is improved by appropriate intermolecular association.Type: ApplicationFiled: July 25, 2023Publication date: October 3, 2024Applicants: Chengdu LEPS Technology Co., Ltd, Southwest Petroleum UniversityInventors: Jianchun GUO, Shan REN, Cong LU, Bin LIU, Shaobin ZHANG, Huifei MAO, Su DIAO, Xueshan YANG, Chaojun TANG, Junyao RAN, Guangyao YANG
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Publication number: 20240247288Abstract: A method for cyclic biochemical conversion of carbon dioxide and hot gas cogeneration in depleted oil and gas reservoirs includes: S1: selecting a target depleted oil and gas reservoir; S2: adjusting a temperature of the target depleted oil and gas reservoir to 30° C. to 70° C. and detecting whether formation water of the target depleted oil and gas reservoir contains methanogenic archaea, in which if no methanogenic archaeon is contained, then methanogenic archaea is injected and step S3 is proceeded, and if methanogenic archaea are contained, then step S3 is proceeded directly; S3: injecting a mixture of carbon dioxide and hydrogen into the target depleted oil and gas reservoir through a gas injection well; and S4: shutting down the gas injection well to wait for the methanogenic archaea to convert carbon dioxide and hydrogen into methane and exploiting the methane and heat energy in the target depleted oil and gas reservoir.Type: ApplicationFiled: February 6, 2024Publication date: July 25, 2024Applicants: Southwest petroleum university, Zhengzhou UniversityInventors: Zhengmeng Hou, Lin Wu, Liangchao Huang, Zhifeng Luo, Jianhua Liu, Ming Dou, Xuning Wu, Qianjun Chen, Cong Lu
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Publication number: 20240228864Abstract: The present invention discloses a novel high-temperature visual acid etching test device and method; the test device includes a visual rock slab holder, an acid solution storage tank I, an acid solution storage tank II, a heating apparatus, a high-pressure water pump, a low-pressure acid pump, a back-pressure valve, an acid valve A, an acid valve B, an acid valve C, an acid valve D, an acid valve E, an acid valve F, a water valve G, a water valve H, a water valve I, a water valve J, and a water valve K; both the acid solution storage tank I and the acid solution storage tank II are provided with a piston therein, where the acid solution storage tank is divided into upper and lower independent parts by the piston. According to the present invention, the flowing process of an acid solution in a fracture can be directly observed to accurately characterize the distribution of the acid solution in the fracture, which facilitates a study on an acid etching mechanism.Type: ApplicationFiled: January 3, 2024Publication date: July 11, 2024Applicant: Southwest Petroleum UniversityInventors: Kun WANG, Shouxin WANG, Jianchun GUO, Chi CHEN, Tao ZHANG, Xiang BAI, Xinghao GOU, Jichuan REN, Cong LU, Bo GOU, Jie LAI
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Publication number: 20240133281Abstract: A calculation system for predicting a proppant embedding depth based on a shale softening effect is provided, including a sampling test terminal, a scheduling module, a monitoring module, and a calculation module, wherein the scheduling module, the monitoring module, and the calculation module are connected in communication, and the monitoring module is connected to an external operating system through a wireless network, wherein the external operating system is configured to perform a hydraulic fracturing operation and receive a first control signal and/or a second control signal from the monitoring module. The sampling test terminal is configured to test the samples and obtain test data. The scheduling module is configured to determine a target construction parameter.Type: ApplicationFiled: December 23, 2023Publication date: April 25, 2024Applicant: SOUTHWEST PETROLEUM UNIVERSITYInventors: Cong LU, Qijun ZENG, Jianchun GUO, Jiaxing LIU, Jun WU, Junkai LU, Cheng LUO, Guangqing ZHOU, Xianbo MENG, Jiandong WANG, Yanhui LIU, Xiaoshan WANG, Xin SHAN
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Publication number: 20240089871Abstract: Provided are an electronic device and method for wireless communication, and a computer-readable storage medium. The electronic device comprises a processing circuit configured to: determine the first power limiting region of the first primary user of a main system, wherein the first power limiting region is a three-dimensional space defined by the directional beams of the first primary user to the third primary user of the main system; and determine one or more secondary users in the first power limiting regions.Type: ApplicationFiled: November 15, 2023Publication date: March 14, 2024Applicant: Sony Group CorporationInventors: Youping ZHAO, Cong LU, Chen SUN, Xin GUO
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Publication number: 20240014911Abstract: Provided in the present disclosure are an electronic device and a method for wireless communication, and a computer-readable storage medium, the electronic device for wireless communication comprising a processing circuit, the processing circuit configured such that: if it is determined that the electronic device is in a frequency spectrum transaction verification region, verifying an effectiveness of a frequency spectrum transaction, the verification region being determined on the basis of interference generated when a frequency spectrum acquirer in the frequency spectrum transaction uses the transaction frequency spectrum; determining an electronic device signal-to-noise ratio according to interference of the electronic device when the frequency spectrum acquirer uses the transaction frequency spectrum, and if the signal-to-noise ratio is greater than a preset signal-to-noise ratio threshold configured for the electronic device, verifying that the frequency spectrum transaction is in effect.Type: ApplicationFiled: September 21, 2023Publication date: January 11, 2024Applicant: Sony Group CorporationInventors: Youping ZHAO, Cong LU, Chen SUN
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Patent number: 11849406Abstract: Provided are an electronic device and method for wireless communication, and a computer-readable storage medium. The electronic device comprises a processing circuit configured to: determine the first power limiting region of the first primary user of a main system, wherein the first power limiting region is a three-dimensional space defined by the directional beams of the first primary user to the third primary user of the main system; and determine one or more secondary users in the first power limiting regions.Type: GrantFiled: January 23, 2020Date of Patent: December 19, 2023Assignee: SONY GROUP CORPORATIONInventors: Youping Zhao, Cong Lu, Chen Sun, Xin Guo
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Patent number: 11845896Abstract: A structural stabilizer for a fiber and proppant complex to enhance proppant migration and placement in a fractured well during propping and a preparation method thereof are provided. The structural stabilizer consists of: water, inorganic salt, kaolinite, nitrogen-doped modified graphene oxide, anionic surfactant, non-ionic alkyl polyglucoside, and polyacrylamide. The structural stabilizer improves bonding between a proppant and a fiber when slick water is used in stimulated reservoir volume (SRV) fracturing, prevents separation of the fiber and the proppant during migration, thereby reducing escape rate of the fiber from the fiber and proppant complex.Type: GrantFiled: July 13, 2023Date of Patent: December 19, 2023Assignees: Chengdu LEPS Technology Co., Ltd, Southwest Petroleum UniversityInventors: Jianchun Guo, Shan Ren, Hao Yang, Yingxian Ma, Kun Wang, Jiyu Wang, Cong Lu, Jiapeng Zhang, Zhihong Zhao, Shaobin Zhang, Qianli Lu, Qingsong Guo, Su Diao, Chi Chen, Xin Lei, Mingyuan Zhou, Chaojun Tang
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Patent number: 11804917Abstract: Provided in the present disclosure are an electronic device and a method for wireless communication, and a computer-readable storage medium, the electronic device for wireless communication comprising a processing circuit, the processing circuit configured such that: if it is determined that the electronic device is in a frequency spectrum transaction verification region, verifying an effectiveness of a frequency spectrum transaction, the verification region being determined on the basis of interference generated when a frequency spectrum acquirer in the frequency spectrum transaction uses the transaction frequency spectrum; determining an electronic device signal-to-noise ratio according to interference of the electronic device when the frequency spectrum acquirer uses the transaction frequency spectrum, and if the signal-to-noise ratio is greater than a preset signal-to-noise ratio threshold configured for the electronic device, verifying that the frequency spectrum transaction is in effect.Type: GrantFiled: December 3, 2020Date of Patent: October 31, 2023Assignee: SONY GROUP CORPORATIONInventors: Youping Zhao, Cong Lu, Chen Sun
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Publication number: 20230334199Abstract: The present disclosure relates to a calculation method for predicting a proppant embedding depth based on a shale softening effect, including determining a spontaneous imbibition depth-soaking time curve; determining a Young’s modulus-soaking time curve of core surfaces; establishing a proppant embedding model containing a softened layer by a finite element method; conducting a numerical simulation to obtain an embedding volume-soaking time curve; and obtaining a calculation formula for a proppant embedding volume considering a softening effect.Type: ApplicationFiled: April 14, 2023Publication date: October 19, 2023Applicant: SOUTHWEST PETROLEUM UNIVERSITYInventors: Cong LU, Qijun ZENG, Jianchun GUO, Jiaxing LIU, Jun WU, Junkai LU, Cheng LUO, Guangqing ZHOU, Xianbo MENG, Jiandong WANG, Yanhui LIU, Xiaoshan WANG, Xin SHAN
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Patent number: 11578576Abstract: A method for characterizing complexity of rock fracture based on fractal dimension and a device thereof are provided. The method includes steps of: collecting rock fracture samples of a rock, and collecting basic parameters of the rock; determining a fractal dimension of a rock fracture morphology of the rock; calculating the fractal dimension of the rock; calculating a complexity coefficient Fc of rock fracture of the rock; and characterizing a complexity of rock fracture of the rock based on the complexity coefficient Fc of rock fracture of the rock. In the present invention, combined with the fractal geometry theory, fracture complexity coefficient of shale rocks is redefined and calculated to accurately characterize rock fracture morphology, so that characteristics of rock fracture morphology is correctly understood and affecting factors of fracture morphology is analyzed.Type: GrantFiled: August 23, 2019Date of Patent: February 14, 2023Assignee: Southwest Petroleum UniversityInventors: Cong Lu, Jianchun Guo, Junfeng Li, Yunchuan Zheng, Congbin Yin, Meiping Li, Mingzhong Chen, Zhihong Zhao, Kun Wang, Chi Chen, Chuhao Huang, Li Ma, Fenglan Huang, Ye Zhong
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Publication number: 20230039651Abstract: A management electronic device includes a processing circuit configured to: obtain a spectrum in an N-th round of spectrum trading and acquire the interference received by the management electronic device when an electronic device uses the traded spectrum; receive the interference received by another electronic device as determined by another electronic device related to spectrum trading; determine competition rights parameters of the management electronic device and the other electronic device, respectively, the competition rights parameters representing the credibility of the electronic devices and the magnitude of competitiveness when competing for management rights in an N+1-th round of spectrum trading; and select a new management electronic device on the basis of at least one among the interference and the competition rights parameters, the new management electronic device having management rights in the N+1-th round of spectrum trading, instead of the management electronic device having management righType: ApplicationFiled: January 4, 2021Publication date: February 9, 2023Applicant: Sony Group CorporationInventors: Youping ZHAO, Cong LU, Chen SUN, Zhong TIAN
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Publication number: 20220416920Abstract: Provided in the present disclosure are an electronic device and a method for wireless communication, and a computer-readable storage medium, the electronic device for wireless communication comprising a processing circuit, the processing circuit configured such that: if it is determined that the electronic device is in a frequency spectrum transaction verification region, verifying an effectiveness of a frequency spectrum transaction, the verification region being determined on the basis of interference generated when a frequency spectrum acquirer in the frequency spectrum transaction uses the transaction frequency spectrum; determining an electronic device signal-to-noise ratio according to interference of the electronic device when the frequency spectrum acquirer uses the transaction frequency spectrum, and if the signal-to-noise ratio is greater than a preset signal-to-noise ratio threshold configured for the electronic device, verifying that the frequency spectrum transaction is in effect.Type: ApplicationFiled: December 3, 2020Publication date: December 29, 2022Applicant: Sony Group CorporationInventors: Youping ZHAO, Cong LU, Chen SUN
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Publication number: 20220078723Abstract: Provided are an electronic device and method for wireless communication, and a computer-readable storage medium. The electronic device comprises a processing circuit configured to: determine the first power limiting region of the first primary user of a main system, wherein the first power limiting region is a three-dimensional space defined by the directional beams of the first primary user to the third primary user of the main system; and determine one or more secondary users in the first power limiting regions.Type: ApplicationFiled: January 23, 2020Publication date: March 10, 2022Applicant: Sony Group CorporationInventors: Youping ZHAO, Cong LU, Chen SUN, Xin GUO
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Publication number: 20220022047Abstract: A frequency spectrum management apparatus in a coexistence system according to the present disclosure includes a processing circuit configured to determine a plurality of settlement solutions of interference overlapping images according to differences between an interference overlapping image determined by the frequency spectrum management apparatus and interference overlapping images determined by other frequency spectrum management apparatuses in the coexistence system, and to determine a final settlement solution based on the total system utility of the coexistence system and according to the plurality of settlement solutions.Type: ApplicationFiled: December 20, 2019Publication date: January 20, 2022Applicant: Sony Group CorporationInventors: Youping ZHAO, Cong LU, Chen SUN, Xin GUO
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Patent number: 11028689Abstract: The invention discloses a method for experimentally determining the conductivity of an unpropped fracture in hydraulic fracturing of a shale reservoir, comprising: select an outcrop sample with a natural fracture in the shale reservoir, and cut the outcrop sample with along the extension direction of the natural fracture into no less than eight square rock slabs; use a laser scanner to obtain the rough topography data of the fracture surface of each square rock slab and calculate the area tortuosity; pick out the rock samples; model the rough surface of the selected rock samples; import the treated surface model into the engraving machine, and select the downhole core or outcrop rocks in the same horizon for repeated production; calculate the shear slippage at different positions of unpropped fracture according to the data of the shale reservoir; finally test the conductivity of the shale rock samples after shear slip.Type: GrantFiled: August 28, 2020Date of Patent: June 8, 2021Assignee: SOUTHWEST PETROLEUM UNIVERSITYInventors: Zhihong Zhao, Chi Chen, Shouxin Wang, Kun Wang, Cong Lu, Jie Lai, Yuxuan Liu, Ye Zhong, Yuhang Zhao