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公开(公告)号：US20230072038A1
公开(公告)日：2023-03-09
申请号：US17797708
申请日：2021-01-28
发明人： Yanpeng Li , Fei Li
摘要： A method for removing tube wave interference from optical fiber acoustic wave sensing seismic data, including: acquiring seismic wavefield data which contains a tube wave and is collected by an optical fiber acoustic wave sensing instrument; calculating a root-mean-square amplitude of the waveform data cut on the seismic trace as an amplitude normalization factor; performing normalization processing on the amplitude value; performing de-tail mean filtering processing on the normalized amplitude value along the travel time of the tube wave, to obtain a predicted amplitude value; performing tube wave interference removal processing on each seismic trace, and performing inverse normalization processing to obtain the seismic wavefield data without tube wave interference. The method effectively suppresses the tube wave interference in the optical fiber acoustic wave sensing seismic data. An apparatus for removing tube wave interference from optical fiber acoustic wave sensing seismic data, and a computer device are further provided.
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公开(公告)号：US10409251B2
公开(公告)日：2019-09-10
申请号：US15159251
申请日：2016-05-19
发明人： Huadong Sun , Maojun Yang , Fulong Luo , Guosheng Li , Ying Xia , Lei Huang , Weiping Liu , Liuzheng Zhang , Yuan Wang
IPC分类号： G05B19/048 , H04B13/02 , H04L29/08 , H04L12/911 , H04L12/26 , G05B19/418 , G01V1/00 , G01V1/22
摘要： An automatic inspection and monitoring method based on time domain slotting control, belonging to the technical field where the field personnel can automatically inspect and monitor a field device of a seismic apparatus in the seismic exploration production. A method of extraction and transmission of a seismic apparatus host on the information of a field device is implemented by a master control program, test information about the seismic apparatus host on the field device can be automatically extracted and classified from the seismic apparatus host, and according to a designed push protocol, a protocol encoding is conducted; a data frame block is automatically generated; and then the information is delivered via a broadcasting station; an encoding protocol of information push is designed for avoiding information loss caused by signal instability, etc. during information push. According to the protocol, the state information on the field device is encoded to generate a data frame block. There is no more need in the present invention for the operating personnel of the seismic apparatus to read and broadcast the content of the field device item by item, and it only needs to set a software operation mode, so that the automatic extraction and transmission of the state information on the field device can be extracted and transmitted.
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3.发明公开公开(公告)号：US20240204872A1
公开(公告)日：2024-06-20
申请号：US18287209
申请日：2022-06-30
发明人： Yanpeng LI , Yuanzhong CHEN , Fei LI , Junjun WU
IPC分类号： H04B10/2537 , G01D5/353 , G01H9/00 , H04B10/071
CPC分类号： H04B10/2537 , G01D5/35361 , G01H9/004 , H04B10/071
摘要： A method and device for suppressing interference fading noise of optical fibre sensing data are disclosed. The method contains acquiring optical fibre sensing data not subjected to interference fading noise suppression; determining a fading point amplitude threshold based on the optical fibre sensing data; determining a signal fading point based on the fading point amplitude threshold; performing signal interpolation processing on the optical fibre sensing data corresponding to the signal fading point to obtain a signal subjected to interference fading noise suppression; performing phase demodulation and phase unwrapping processing on the signal subjected to interference fading noise suppression to obtain processed optical fibre sensing data.
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公开(公告)号：US11493595B2
公开(公告)日：2022-11-08
申请号：US16768271
申请日：2018-11-01
发明人： Haishen Yang , Weiwei Zhao , Lijun Xu , Yongxin Xiao , Kunpeng Hou
IPC分类号： G01S5/22
摘要： A method for evaluating accuracy in positioning a receiver point, which is associated with at least one shot point, and for which a derived position data is obtained, wherein a pair of the receiver point and a respective shot point is associated with a characteristic parameter which includes an offset, a velocity of first arrival wave and a first arrival time, the method comprising: step S10, constructing a residual vector associated with the receiver point and the respective shot point based on the characteristic parameter; step S12, determining a characterization parameter of the derived position data based on the residual vector; and step S14, evaluating accuracy of the derived position data based on the characterization parameter. An apparatus for evaluating accuracy in positioning a receiver point is also provided.
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公开(公告)号：US20230041249A1
公开(公告)日：2023-02-09
申请号：US17759100
申请日：2021-01-19
发明人： Yanpeng LI , Jing WANG
IPC分类号： G01V1/50
摘要： A method for extracting a downgoing wavelet and attenuation parameters from VSP data, comprising: performing upgoing and downgoing P-waves separation processing on VSP data to obtain downgoing P-wave data; performing a FFT on seismic data with a preset time window length starting from the P-wave first arrival time and cut from the downgoing P-wave data to obtain FFT transformed downgoing P-wave data and a multi-trace downgoing P-wave log spectrum; subtracting a downgoing wavelet log spectrum from the multi-trace downgoing P-wave log spectrum to obtain a wavelet-corrected multi-trace downgoing P-wave log spectrum; performing, based on parameters of the wavelet-corrected multi-trace downgoing P-wave log spectrum, a correction and an inverse FFT on the FFT transformed downgoing P-wave data to obtain a downgoing wavelet; and obtaining attenuation parameters based on P-wave first arrival time and the parameters of the wavelet-corrected multi-trace downgoing P-wave log spectrum. The method can extract a downgoing wavelet and attenuation parameters with high accuracy. Also provided are an apparatus for extracting a downgoing wavelet and attenuation parameters from VSP data, a computer device, and a computer-readable storage medium.
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公开(公告)号：US11125898B2
公开(公告)日：2021-09-21
申请号：US16263118
申请日：2019-01-31
发明人： Qihu Jin , Congwei Liu , Yanpeng Li , Fei Li , Gang Xu , Fangdong Chu
摘要： The embodiments of the present application include acquiring a monitoring region and each observation point therein; partitioning the monitoring region into N layers of grids according to a seismic source positioning accuracy, wherein a side length of a grid cell of an i-th layer of grid is D/2i-1, i=1, . . . N, and D is an initial side length of the grid cell and not more than a double of a distance between the respective observation points; searching all nodes in a first layer of grid to acquire a node satisfying a preset condition therefrom; from i=2, determining and searching nodes satisfying a first preset requirement in the i-th layer of grid, to acquire a node satisfying the preset condition therefrom, until a search in an N-th layer of grid is completed, wherein a node satisfying the preset condition acquired in the N-th layer of grid is a seismic source point location.
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7.发明申请AUTOMATIC INSPECTION AND MONITORING METHOD BASED ON TIME DOMAIN SLOTTING CONTROL 审中-公开基于时域控制的自动检测和监控方法公开(公告)号：US20160299482A1
公开(公告)日：2016-10-13
申请号：US15159251
申请日：2016-05-19
发明人： Huadong Sun , Maojun Yang , Fulong Luo , Guosheng Li , Ying Xia , Lei Huang , Weiping Liu , Liuzheng Zhang , Yuan Wang
IPC分类号： G05B19/048 , H04B13/02 , H04L29/08 , H04L12/911 , H04L12/26
CPC分类号： G05B19/048 , G01V1/008 , G01V1/22 , G01V2200/14 , G05B19/4185 , G05B2219/25428 , G05B2219/33212 , H04B13/02 , H04L43/0823 , H04L47/826 , H04L67/12 , Y02P90/18
摘要： An automatic inspection and monitoring method based on time domain slotting control, belonging to the technical field where the field personnel can automatically inspect and monitor a field device of a seismic apparatus in the seismic exploration production. A method of extraction and transmission of a seismic apparatus host on the information of a field device is implemented by a master control program, test information about the seismic apparatus host on the field device can be automatically extracted and classified from the seismic apparatus host, and according to a designed push protocol, a protocol encoding is conducted; a data frame block is automatically generated; and then the information is delivered via a broadcasting station; an encoding protocol of information push is designed for avoiding information loss caused by signal instability, etc. during information push. According to the protocol, the state information on the field device is encoded to generate a data frame block. There is no more need in the present invention for the operating personnel of the seismic apparatus to read and broadcast the content of the field device item by item, and it only needs to set a software operation mode, so that the automatic extraction and transmission of the state information on the field device can be extracted and transmitted.
摘要翻译： 一种基于时域开槽控制的自动检测和监控方法，属于现场人员可以自动检测和监测地震勘测生产中的地震仪现场设备的技术领域。 通过主控程序实现对现场设备的信息的地震装置主机的提取和发送的方法，可以从地震装置主机自动提取和分类关于现场设备上的地震装置主机的测试信息，并且 根据设计的推送协议，进行协议编码; 自动生成数据帧块; 然后通过广播电台传送信息; 信息推送的编码协议设计用于在信息推送期间避免信号不稳定等引起的信息丢失。 根据协议，对现场设备的状态信息进行编码以产生数据帧块。 在本发明中，地震装置的操作人员不再需要逐项阅读和广播现场设备的内容，并且仅需要设置软件操作模式，以便自动提取和传输 可以提取和发送现场设备上的状态信息。
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8.发明公开公开(公告)号：US20240310191A1
公开(公告)日：2024-09-19
申请号：US18576899
申请日：2022-06-30
发明人： Yanpeng LI , Shaohua ZHANG , Zhidong CAI
CPC分类号： G01D5/35361 , G01H9/004
摘要： A method for global phase IQ Demodulation of optical fiber DAS data includes: acquiring initial optical fiber DAS IQ data from DAS instrument; determining a corresponding direct phase value based on the initial optical fiber DAS IQ data, performing an interrogation pulse phase correction operation on the initial optical fiber DAS IQ data based on the direct phase value to obtain first processed data; performing a receiving point initial phase correction operation on the first processed data to obtain second processed data; performing an interrogation pulse linear phase correction operation on the second processed data to obtain third processed data; performing a receiving point linear phase correction operation on the third processed data to obtain fourth processed data; and performing phase unwrapping processing and de-near DC component processing on the fourth processed data to obtain global phase demodulated data.
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公开(公告)号：US11880012B2
公开(公告)日：2024-01-23
申请号：US17759100
申请日：2021-01-19
发明人： Yanpeng Li , Jing Wang
IPC分类号： G01V1/50
CPC分类号： G01V1/50
摘要： A method for extracting a downgoing wavelet and attenuation parameters from VSP data, comprising: performing upgoing and downgoing P-waves separation processing on VSP data to obtain downgoing P-wave data; performing a FFT on seismic data with a preset time window length and cut from the downgoing P-wave data to obtain FFT transformed downgoing P-wave data and a multi-trace downgoing P-wave log spectrum; subtracting a downgoing wavelet log spectrum from the multi-trace downgoing P-wave log spectrum to obtain a wavelet-corrected multi-trace downgoing P-wave log spectrum; performing a correction and an inverse FFT on the FFT transformed downgoing P-wave data to obtain a downgoing wavelet; and obtaining attenuation parameters based on P-wave first arrival time and the parameters of the wavelet-corrected multi-trace downgoing P-wave log spectrum. Also provided are an apparatus for extracting a downgoing wavelet and attenuation parameters from VSP data and a computer device.
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公开(公告)号：US20200371195A1
公开(公告)日：2020-11-26
申请号：US16768271
申请日：2018-11-01
发明人： Haishen YANG , Weiwei ZHAO , Lijun XU , Yongxin XIAO , Kunpeng HOU
IPC分类号： G01S5/22
摘要： A method for evaluating accuracy in positioning a receiver point, which is associated with at least one shot point, and for which a derived position data is obtained, wherein a pair of the receiver point and a respective shot point is associated with a characteristic parameter which includes an offset, a velocity of first arrival wave and a first arrival time, the method comprising: step S10, constructing a residual vector associated with the receiver point and the respective shot point based on the characteristic parameter; step S12, determining a characterization parameter of the derived position data based on the residual vector; and step S14, evaluating accuracy of the derived position data based on the characterization parameter. An apparatus for evaluating accuracy in positioning a receiver point is also provided.
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