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公开(公告)号：US12209966B1
公开(公告)日：2025-01-28
申请号：US18829304
申请日：2024-09-10
Inventor： Xuhang Zhang , Fei Su , Huaiyu He
Abstract: The disclosure provides a test device and a test method for isotope measurement of noble gases in lunar soil. The testing device includes a carbon dioxide laser ultra-high vacuum sample melting system, zirconium-aluminum getters, a vacuum dry pump, a first molecular pump, a second molecular pump, a neon gas capture unit, an argon gas capture unit, an argon krypton-xenon capture unit, a dilution tank, a sputtering ion pump and a noble gas mass spectrometer which are connected through pipelines, and each pipeline and each component are connected through a specific way; in addition, control valves for controlling the opening and closing of the pipelines are installed on the connection path between each pipeline and each component, and the disclosure also provides a matching test method.
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2.发明授权公开(公告)号：US12173598B1
公开(公告)日：2024-12-24
申请号：US18415710
申请日：2024-01-18
Inventor： Fei Tian , Qingyun Di , Wenhao Zheng , Yongyou Yang , Wenjing Cao
Abstract: The present invention is in the field of geological exploration and particularly relates to a method and system for gamma ray (GR) while drilling parameter data optimization for deep-filed oil and gas precise navigation, aiming to solve the problem of insufficient measurement accuracy of the depth of a well in the existing drilling technology. The present invention comprises: eliminating outliers from the obtained GR while drilling parameter data and determining the rationality of the eliminated outlier; performing derivation on a real-time updated variance attribute while drilling curve to obtain a real-time updated formation change-point detection result; searching the formation change-point detection result of a pre-drilling predicted well curve; and correcting the drilling depth by comparing the two formation change-point detection results to obtain the accurate depth while drilling.
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公开(公告)号：US20240401467A1
公开(公告)日：2024-12-05
申请号：US18355323
申请日：2023-07-19
Inventor： Yongyou YANG , Kanggui WEI
IPC: E21B47/024 , G01B21/22
Abstract: The present disclosure discloses a solving method and system for an Euler angle attitude. The solving method includes: acquiring a rough rotation angle ΔT of a tool surface of a drilling tool in a search interval; performing calculation according to the rough rotation angle ΔT to obtain a variation range RangeT of the tool surface; disposing a plurality of particles within the variation range RangeT, corresponding position coordinates of the particles to an Euler angle value, randomly generating initial speeds of the particles, calculating a fitness function of each particle, and selecting the particle with the minimum fitness function as an optimal particle; updating a speed and a position of each particle, and gradually moving the particles closer to an optimal position by adopting an iteration method; and after performing n iterations until the precision of the fitness function of the optimal particle reaches a threshold.
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公开(公告)号：US12153038B2
公开(公告)日：2024-11-26
申请号：US17981514
申请日：2022-11-07
Inventor： Jianming He , Shouding Li , Xiao Li , Zhaobin Zhang
Abstract: A test system and a test method for replacing natural gas hydrate with carbon dioxide are disclosed, relating to the technical field of exploitation of natural gas hydrates. The test system comprises a sample reaction vessel, a sample boundary condition loading device, a methane gas supply device, a carbon dioxide gas supply device, an output article collection and measurement device, and a data acquisition control device. A sample-sealing rubber sleeve and an upper sample-sealing plate are arranged in an inner cavity of the vessel, the sample-sealing rubber sleeve, a lower tray and the upper sample-sealing plate form a sample-sealing space. An axial pressure loading plate is arranged on the upper sample-sealing plate, and an upper cover plate is provided with an axial pressure loading injection hole. A side shrouding is provided with a confining pressure loading injection hole and a product discharge hole.
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公开(公告)号：US12129752B1
公开(公告)日：2024-10-29
申请号：US18434846
申请日：2024-02-07
Inventor： Fei Tian , Wenhao Zheng , Qingyun Di , Yongyou Yang , Wenjing Cao
CPC classification number: E21B44/00 , E21B49/00 , G01V11/002 , E21B2200/20 , G06F30/28
Abstract: A precise deep oil and gas navigation system based on structural evaluation of a sand/shale formation, and a device are provided. The precise deep oil and gas navigation system is implemented by: acquiring basic data of a target well location as well as basic data and an acoustic LWD curve of an adjacent well; dividing a basic data group; retaining extremely strongly correlated data and strongly correlated data of the basic data group, and performing dimensionality reduction; constructing a three-dimensional fusion feature data volume based on a dimensionality-reduced fusion feature parameter and a time-frequency spectrum; predicting a missing curve according to the three-dimensional fusion feature data volume; and correcting a stratigraphic structure model based on the missing curve to guide the design of a drilling trajectory.
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Patent Agency Ranking
公开(公告)号：US12123852B1
公开(公告)日：2024-10-22
申请号：US18668177
申请日：2024-05-19
Inventor： Yanzhi Hu , Xiao Li , Tianqiao Mao , Shouding Li , Jianming He , Zhaobin Zhang , Guanfang Li , Bo Zheng
IPC: G01N3/12 , G01N23/046 , G01N33/24
CPC classification number: G01N3/12 , G01N33/24 , G01N23/046 , G01N2203/0003 , G01N2203/0019 , G01N2203/0048 , G01N2203/0256 , G01N2223/419
Abstract: A multifunctional and visual rock triaxial testing system is provided. The multifunctional and visual rock triaxial testing system includes an axial loading system, a high-energy accelerator computerized tomography (CT) scanning system, a turntable system, a triaxial pressure cell, a fluid fracturing pump, a temperature pump, a confining pressure loading pump, a power oil source, and an integrated control console, where the turntable system is configured to drive the high-energy accelerator CT scanning system to rotate, so as to scan an internal structure of a rock sample; and the triaxial pressure cell and the fluid fracturing pump are configured to conduct compression and fracturing tests on the rock sample, respectively.
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公开(公告)号：US12105245B1
公开(公告)日：2024-10-01
申请号：US18410865
申请日：2024-01-11
Inventor： Qihui Zhen , Qingyun Di , Yuliang Wang , Quanmin Yang
Abstract: A ground receiving front-end compensation system for intelligent guide drilling borehole-ground electromagnetic transmission is provided, and includes a ground sensing module located below the underground wellhead, a ground system located between the underground wellhead and the measuring electrode, a measuring electrode and a compensation electrode; the ground system, the measuring electrode and the compensation electrode are located at the same side of the underground wellhead, a measuring electrode spacing (a first preset distance) is a distance from the underground wellhead to the measuring electrode; a compensation electrode spacing (a second preset distance) is a distance from the underground wellhead to the compensation electrode, the second preset distance is greater than the first preset distance; an induction signal of the ground sensing module enters the ground system, and the ground system outputs compensation current based on the induction signal, and compensates the measuring signal based on the compensation current.
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公开(公告)号：US12085540B1
公开(公告)日：2024-09-10
申请号：US18668176
申请日：2024-05-19
Inventor： Zhaobin Zhang , Tianqiao Mao , Xiao Li , Shouding Li , Jianming He , Guanfang Li , Bo Zheng , Yanzhi Hu
IPC: G01N3/12 , G01N3/02 , G01N23/046 , G01N33/24
CPC classification number: G01N3/12 , G01N3/02 , G01N23/046 , G01N33/24 , G01N2203/0019 , G01N2203/0256 , G01N2203/0641
Abstract: A rock true-triaxial testing system based on computerized tomography (CT) scanning aims to solve problems in the prior art, that is, the rigidity of the frame in the testing system is insufficient; high-pressure lines, wires, and signal lines are entangled when rotating; and the reaction frame and loading actuators obstruct the ray. The rock true-triaxial testing system includes a true-triaxial loading system and a high-energy accelerator-based CT scanning system, where the high-energy accelerator-based CT scanning system is located inside the true-triaxial loading system, and the high-energy accelerator-based CT scanning system is configured to image an internal structure of a cubic rock sample and continuously apply a stress to the cubic rock sample through a plurality of piston extension rods in the true-triaxial loading system. The rock true-triaxial testing system reduces radiation attenuation, and ensures imaging quality and a stable and smooth loading process.
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公开(公告)号：US20240264325A1
公开(公告)日：2024-08-08
申请号：US18244562
申请日：2023-09-11
Inventor： Jing OU , Jiansheng DU , Wenxiu ZHANG , Xinzhen HE , Xiaolong LI , Yuliang WANG
CPC classification number: G01V1/362 , G01V1/22 , G01V2200/16 , G01V2210/32
Abstract: The present application discloses a carrier wave distortion compensation method for an MWD mud continuous wave system, comprising: in the downhole, modulating the carrier wave according to the transmission data to obtain a mud continuous wave signal to be transmitted; transmitting the mud continuous wave signal to the ground via a mud channel; denoising the received pressure signal on the ground to obtain a denoised mud continuous wave signal; performing subsequent processing on the denoised mud continuous wave signal to obtain the final transmission data; and performing downhole distortion compensation before modulating the carrier wave or performing ground distortion compensation on the denoised mud continuous wave signal before performing subsequent processing. The present application reduces the bit error rate of the MWD mud continuous wave system by performing waveform distortion compensation prior to downhole modulation or during performing signal processing on the ground.
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公开(公告)号：US12038545B1
公开(公告)日：2024-07-16
申请号：US18599172
申请日：2024-03-07
Inventor： Yuan Wang , Chunlei Zhao
CPC classification number: G01V1/162 , G01V1/186 , G01V1/3835 , G01V2210/1427
Abstract: A freely-combinable multifunctional ocean-bottom seismic detection device includes a cabin body having a sealed structure and is made of a titanium alloy. A hydrophone, a first power interface, and a signal transmission sealing connector are mounted on an upper flange. A digital collector, a broadband seismometer, a global positioning system (GPS), and an electronic compass are mounted in the cabin body. The broadband seismometer is mounted on a leveling mechanism. Rechargeable lithium batteries are mounted in sealed battery compartments. A settlement coupling frame is arranged below the cabin body and is detachably connected to the cabin body. An uncoupling mechanism is mounted at a top of the cabin body. The device has a synchronous arrangement function of deployment as an independent node with data stored inside the instrument, and quick integration into a seabed foundation (or a subsurface buoy) with real-time data transmission.
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