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11.发明公开公开(公告)号：US20240094419A1
公开(公告)日：2024-03-21
申请号：US18341781
申请日：2023-06-27
Applicant: Chengdu University of Technology
Inventor： Chaorong Wu , Cheng Liu , Kaixing Huang , Yong Li , Yizhen Li , Junxiang Li , Yuexiang Hao
IPC: G01V1/30
CPC classification number: G01V1/30 , G01V2210/6169
Abstract: A seismic quantitative prediction method for shale total organic carbon (TOC) based on sensitive parameter volumes is as follows. A target stratum for a TOC content to be measured is determined, logging curves with high correlations with TOC contents are analyzed, the logging curves are found as sensitive parameters; sample data are constructed using the sensitive parameters; a radial basis function (RBF) neural network is trained with the sample data as an input and the TOC content at a depth corresponding to the sample data as an output to obtain a RBF neural network prediction model; sensitive parameter volumes are obtained by using the sensitive parameters and post stack three-dimension seismic data to invert; prediction samples are constructed using the sensitive parameter volumes; the predicted samples are input to the RBF neural network prediction model to calculate corresponding TOC values, thereby the TOC content of the target stratum is predicted.
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公开(公告)号：US20240093554A1
公开(公告)日：2024-03-21
申请号：US18463876
申请日：2023-09-08
Applicant: Chengdu University of Technology
Inventor： Qingyou LIU , Jianguo ZHAO , Guorong WANG , Haiyan ZHU , Xuecheng DONG , Xingming WANG , Xu LUO , Yingju PEI , Xianwei DAI
CPC classification number: E21B7/067 , E21B17/042 , E21B31/00 , E21B34/066 , E21B47/06 , E21B47/13
Abstract: Provided is a two-stage reverse-torque bent screw orientation tool. An existing bent screw orientation technology has the technical problems of large friction resistance, difficult control of a borehole track, a low drilling speed and the like, and restricts economic, safe and long-acting development of oil and gas. In order to solve the above problems, the two-stage reverse-torque bent screw orientation tool is invented and composed of a first-stage clutch mechanism and a second-stage clutch mechanism, and the first-stage clutch mechanism and the second-stage clutch mechanism are both composed of a battery, a battery compartment, a pressure sensor, an electromagnetic valve, a body, a plug, a piston, an outer tooth cylinder, an inner tooth cylinder, a transmission cylinder, a connecting cylinder, a bearing, a limiting cylinder, a lower joint, a thrust bearing, a battery compartment, a circuit board, a cover plate and the like.
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公开(公告)号：US11912933B1
公开(公告)日：2024-02-27
申请号：US18495788
申请日：2023-10-27
Applicant: Chengdu University of Technology
Inventor： Bo Yang , Yu Liu , Hao Zhang , Di Yang , Min Ren , Yang Yang , Ying Zhong , Bin Yang , Jiping She
IPC: C09K8/60
CPC classification number: C09K8/602
Abstract: The invention provides a suspension modifier directly added into fracturing fluid for real-time proppant modification during fracturing and the application thereof, relating to the field of oil and gas production technologies. The suspension modifier is a controlled release nanoemulsion and comprises surface hydrophobic modifier, surfactant, cosurfactant and water. The suspension modifier is directly added into clear-water or active-water fracturing fluid while the proppant is added into water. After stirring, the suspension modifier is capable of self-assembling and being adsorbed on the proppant surface, so that the proppant surface becomes hydrophobic and aerophilic. The invention no longer requires the proppant to be pretreated, and the bubble-suspended proppant can be obtained directly by adding the suspension modifier to the clear-water or active-water fracturing fluid, and meanwhile adding the proppant to the fracturing fluid. This technology is not only easy to operate, but also low in cost for proppant treatment.
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公开(公告)号：US11892432B2
公开(公告)日：2024-02-06
申请号：US18358611
申请日：2023-07-25
Applicant: Chengdu University of Technology
Inventor： Chen Zhang , Huaguo Wen , Chao Ma , Jintong Liang , Yiquan Ma , Yixin Dong , Xiangye Kong , Xin Wang , Shaohui Wang , Gang Zhou , Yuan Zhong , Wenbin Tang , Jing Nie , Bolin Zhang , Yunchuan Zeng
Abstract: The present invention provides a multifunctional rock mechanics tester, pertaining to the technical field of mechanics tester, consisting of a base; wherein a power mechanism is mounted on the top of the base, two tension testing mechanisms are arranged on the power mechanism in an up-and-down symmetrical way, a clamping mechanism is mounted on each tension testing mechanism, a rock testing block is clamped between the two clamping mechanisms. The present invention realizes the tension and pressure testing of the rock test block through the arrangement of tension testing mechanism and pressure testing mechanism, thus improving the functionality of the present mechanics tester, which not only reduces the testing cost, but also effectively decreases the occupied space; the present invention solves the problem that the traditional mechanics tester can only complete one kind of test when it is used.
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公开(公告)号：US20230400396A1
公开(公告)日：2023-12-14
申请号：US18358611
申请日：2023-07-25
Applicant: Chengdu University of Technology
Inventor： Chen ZHANG , Huaguo WEN , Chao MA , Jintong LIANG , Yiquan MA , Yixin DONG , Xiangye KONG , Xin WANG , Shaohui WANG , Gang ZHOU , Yuan ZHONG , Wenbin TANG , Jing NIE , Bolin ZHANG , Yunchuan ZENG
Abstract: The present invention provides a multifunctional rock mechanics tester, pertaining to the technical field of mechanics tester, consisting of a base; wherein a power mechanism is mounted on the top of the base, two tension testing mechanisms are arranged on the power mechanism in an up-and-down symmetrical way, a clamping mechanism is mounted on each tension testing mechanism, a rock testing block is clamped between the two clamping mechanisms. The present invention realizes the tension and pressure testing of the rock test block through the arrangement of tension testing mechanism and pressure testing mechanism, thus improving the functionality of the present mechanics tester, which not only reduces the testing cost, but also effectively decreases the occupied space; the present invention solves the problem that the traditional mechanics tester can only complete one kind of test when it is used.
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Patent Agency Ranking
公开(公告)号：US20230324234A1
公开(公告)日：2023-10-12
申请号：US18192224
申请日：2023-03-29
Applicant: Chengdu University of Technology
Inventor： Honghui WANG , Xiang WANG , Guangle YAO , Peng PENG , Jianbo YANG , Xianguo TUO
IPC: G01K11/32 , G06N3/08 , G06N3/0464
CPC classification number: G01K11/32 , G06N3/08 , G06N3/0464
Abstract: A method of locating a temperature anomalies of a distributed optical fiber includes the steps of: (a) generating a training dataset having training samples; (b) setting labels for training samples; (c) building a convolutional neural network composed of multi-layer convolutional networks and a fully connected layer, training to form a convolutional neural network model; (d) utilizing a fiber-optic temperature sensing system for measurement of testing object; (e) sending acquired data into the convolutional neural network model to obtain output features, then processing mapping and binarization; (f) offsetting the binary feature to obtain an offset feature and calculating a cosine similarity; and (g) obtaining a location of the abnormal temperature event by identifying the offset feature with a largest cosine similarity and identifying its location in the sequence P.
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17.发明授权公开(公告)号：US11768982B1
公开(公告)日：2023-09-26
申请号：US18116877
申请日：2023-03-03
Applicant: Chengdu University of Technology
Inventor： Jun Li , Zhengwei Xu , Xuben Wang , Rui Wang , Shengxian Liang
IPC: G06F30/27 , G06F111/04
CPC classification number: G06F30/27 , G06F2111/04
Abstract: Disclosed are a hybrid density abrupt interface inversion method based on machine learning constraints. The inversion method includes constructing an initial basin interface and randomly generating a disturbed basin interface data set; obtaining a basin interface data set through Hadamard product operation on the initial basin interface and the disturbed basin interface data set; obtaining a high-resolution density interface model data set through filling the basin interface data set with advanced functions; performing forward calculation to obtain a simulated gravity data set; carrying out mathematical transformation on the simulated gravity data set and weighting to obtain a low-resolution migration density interface model data set; optimizing a migration model-based deep learning network and mapping to obtain a high-resolution constrained density interface prior model; and constructing a stable nonlinear loss function and performing regularization inversion to obtain a high-resolution density interface model.
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公开(公告)号：US20230295771A1
公开(公告)日：2023-09-21
申请号：US17655009
申请日：2022-03-16
Applicant: CHENGDU UNIVERSITY OF TECHNOLOGY
Inventor： Xianghao Meng , Yangdanjie Zeng , Youli Wan , Jiang Tian
Abstract: A waste mercury recovery device including an infrared heater, used for heating mercury-containing waste; a waste mercury device, placed on the infrared heater, and used for holding the mercury-containing waste; a pure mercury recovery extractor, including a mercury vapor cooling part and a pure mercury storage part; a mercury vapor cooling part, communicated with the waste mercury device, and used for cooling mercury vapor; and a pure mercury storage part, communicated with the mercury vapor cooling part, and used for storing cooled and liquefied mercury.
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公开(公告)号：US11650194B2
公开(公告)日：2023-05-16
申请号：US17647599
申请日：2022-01-11
Applicant: Chengdu University of Technology
Inventor： Jiping She , Hao Zhang , Bin Yang , Yang Yang , Yang Li , Jianjun Ni , Gege Teng , Ying Zhong
CPC classification number: G01N33/2823 , G01N1/38
Abstract: A dynamic damage evaluation instrument of drilling fluid based on a glass core includes a controller and a support. A kettle body is provided on the support, a well for receiving drilling fluid is provided inside the kettle body, and a well cover is provided at an upper end of the kettle body. A core holding assembly communicating with the well is provided at a side of the kettle body, and a metering assembly is movably provided at the other end of the core holding assembly. A stirrer for stirring drilling fluid is provided inside the well, and a power component for driving the stirrer is provided outside the kettle body. A data detection hole for mounting a temperature and pressure sensor and a pressurization hole for mounting a pressurization device are formed on the well cover.
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20.发明授权公开(公告)号：US11572767B2
公开(公告)日：2023-02-07
申请号：US16503471
申请日：2019-07-04
Applicant: CHENGDU UNIVERSITY OF TECHNOLOGY
Inventor： Qingyou Liu , Haiyan Zhu
Abstract: A design method for a personalized drill bit for a complex difficult-to-drill formation includes: S1, acquiring rock drillability indexes of a drilled formation; S2, performing digital simulation analysis of rock breaking of bit teeth and a composite rock breaking experiment of a ring gear and a drill bit, and establishing a mechanical model of the rock interaction at the bottom of a well; S3, establishing an integrated dynamics model of drill string-drill bit-rock system coupling; S4, designing a tooth shape, a tooth distribution density, a crown shape and a gauge protection structure for rock mechanics properties of a complex difficult-to-drill formation; S5, optimizing bit nozzle and hydraulic structure parameters by using the computational fluid dynamics theory and the numerical simulation method; S6. optimizing a manufacturing process of the drill bit by using the tooth material decarburization strengthening technology, the high-strength bit body material technology and the special tooth-shaped tooth technology.
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