Inventor
ZHANG WENXIU
CN40 patents
Patents
40 patentsUS11500117B1Nov 15, 2022
Method and system for evaluating filling characteristics of deep paleokarst reservoir through well-to-seismic integration
INST GEOLOGY & GEOPHYSICS CAS65 citations97
US11860326B1Jan 2, 2024
Fault characterization method and system for precise navigation of deep oil and gas based on image fusion
INST GEOLOGY & GEOPHYSICS CAS13 citations85
US11802985B2Oct 31, 2023
Method and system for analyzing filling for karst reservoir based on spectrum decomposition and machine learning
INST GEOLOGY & GEOPHYSICS CAS5 citations74
US11360225B1Jun 14, 2022
Earthquake evaluation method based on multi-type geophysical data
INST GEOLOGY & GEOPHYSICS CAS6 citations74
US10578754B2Mar 3, 2020
Sinusoidal excitation method and apparatus for multi-pole acoustic logging while drilling
INST GEOLOGY & GEOPHYSICS CAS2 citations73
US10364670B1Jul 30, 2019
Azimuthally acoustic imaging logging while drilling (LWD) apparatus
INST GEOLOGY & GEOPHYSICS CAS5 citations73
US10082021B2Sep 25, 2018
Azimuthally acoustic while drilling signal receiving transducer encapsulating apparatus
INST GEOLOGY & GEOPHYSICS CAS2 citations73
US10202841B2Feb 12, 2019
Near-bit tool attitude measurement while drilling apparatus and method
INST GEOLOGY & GEOPHYSICS CAS6 citations72
US10488544B2Nov 26, 2019
Method, apparatus and system for arranging survey points in field operation with ground electromagnetic instrument
INST GEOLOGY & GEOPHYSICS CAS2 citations71
US12084960B2Sep 10, 2024
Method for synchronizing azimuth detection data while drilling and device for azimuth detection while drilling
INST GEOLOGY & GEOPHYSICS CAS0 citations62
US10975689B1Apr 13, 2021
Near bit wireless constant current short distance transmission method and device
INST GEOLOGY & GEOPHYSICS CAS1 citations62
US10746756B2Aug 18, 2020
Dynamic testing device suitable for drilling tool attitude measurement module
INST GEOLOGY & GEOPHYSICS CAS1 citations62
US12442291B1Oct 14, 2025
Method of encoding and decoding downlink instructions based on mud flow rate
INST GEOLOGY & GEOPHYSICS CAS1 citations60
US12241368B2Mar 4, 2025
Synchronization method for an MWD mud pulse telemetry system
INST GEOLOGY & GEOPHYSICS CAS0 citations60
US12378877B2Aug 5, 2025
Method and device for identifying near-bit lithology based on intelligent voiceprint identification
INST GEOLOGY & GEOPHYSICS CAS0 citations58
US12411259B2Sep 9, 2025
Phase-controlled excitation downhole nuclear magnetic resonance imaging device and method
INST GEOLOGY & GEOPHYSICS CAS0 citations52
US11359485B2Jun 14, 2022
Full digital device of receiving transducer array of acoustic logging while drilling instrument
INST GEOLOGY & GEOPHYSICS CAS0 citations52
US11098579B1Aug 24, 2021
Electrode type near bit wireless short distance transmission modulation method and apparatus
INST GEOLOGY & GEOPHYSICS CAS0 citations52
US11029434B2Jun 8, 2021
Method for acquiring data of azimuthal acoustic logging while drilling
INST GEOLOGY & GEOPHYSICS CAS0 citations52
US10329906B2Jun 25, 2019
Acoustic source testing apparatus of azimuthally acoustic logging while drilling (LWD) instrument
INST GEOLOGY & GEOPHYSICS CAS0 citations52
US10025003B1Jul 17, 2018
Calibration method under near-bit wireless short-transmission ground envrionment based on electric field theory
INST GEOLOGY & GEOPHYSICS CAS1 citations52
US9970288B2May 15, 2018
Receiving apparatus for downhole near-bit wireless transmission
INST GEOLOGY & GEOPHYSICS CAS1 citations52
US12153186B2Nov 26, 2024
Signal acquisition method and device of azimuthal electromagnetic wave resistivity instrument while drilling
INST GEOLOGY & GEOPHYSICS CAS0 citations51
US11829889B2Nov 28, 2023
Processing method and device for data of well site test based on knowledge graph
INST GEOLOGY & GEOPHYSICS CAS0 citations51
US11002128B2May 11, 2021
Gravity acceleration measurement apparatus and extraction method in a rotating state
INST GEOLOGY & GEOPHYSICS CAS0 citations51
US12265191B2Apr 1, 2025
Method for carrier distortion compensation in MWD mud pulse telemetry
INST GEOLOGY & GEOPHYSICS CAS0 citations50
US12153181B2Nov 26, 2024
Noise reduction measurement method of acoustic while drilling data based on signal synchronization
INST GEOLOGY & GEOPHYSICS CAS0 citations50
US11428843B2Aug 30, 2022
Device for performing temperature correction on induction logging tool and deep stratum environmental simulation
INST GEOLOGY & GEOPHYSICS CAS0 citations50
US10928530B1Feb 23, 2021
Method for synchronizing acoustic asynchronous serial signals while drilling
INST GEOLOGY & GEOPHYSICS CAS0 citations50
US12435625B1Oct 7, 2025
Service table for polling data of downhole transmission device in measurement-while-drilling
INST GEOLOGY & GEOPHYSICS CAS0 citations48
US11241798B1Feb 8, 2022
Source automatic mounting and demounting control system and method for nuclear logging instruments
INST GEOLOGY & GEOPHYSICS CAS0 citations48
US10168432B2Jan 1, 2019
Distributed electromagnetic instrument synchronization system and method
INST GEOLOGY & GEOPHYSICS CAS0 citations48
US10746894B2Aug 18, 2020
Magnetotelluric measurement system
INST GEOLOGY & GEOPHYSICS CAS0 citations41
US10662764B2May 26, 2020
Near-bit constant-power wireless short-distance transmission method and apparatus
INST GEOLOGY & GEOPHYSICS CAS0 citations41
US10612372B2Apr 7, 2020
Azimuthal acoustic logging while drilling apparatus and measurement method
INST GEOLOGY & GEOPHYSICS CAS0 citations41
US10428646B2Oct 1, 2019
Apparatus for downhole near-bit wireless transmission
INST GEOLOGY & GEOPHYSICS CAS0 citations41
US10379238B2Aug 13, 2019
Integral packaging device for acoustic receiving transducers while drilling
INST GEOLOGY & GEOPHYSICS CAS0 citations41
US10317204B2Jun 11, 2019
Near-bit dynamic well deviation angle measurement method and apparatus
INST GEOLOGY & GEOPHYSICS CAS0 citations41
US10120795B2Nov 6, 2018
Wear-leveling nandflash memory reading/writing method
INST GEOLOGY & GEOPHYSICS CAS0 citations41
US10030504B2Jul 24, 2018
Receiving apparatus suitable for azimuthally acoustic logging while drilling
INST GEOLOGY & GEOPHYSICS CAS0 citations41