Inventor

CHEN WENXUAN

CN38 patents

⚠️ This page may combine multiple inventors who share the name “CHEN WENXUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHEN WENXUAN

INST GEOLOGY & GEOPHYSICS CAS

Anti-rotating device of non-rotating sleeve and a rotary guiding device

Sonic logging broadband impedance matching transformer modular design method and module

Sinusoidal excitation method and apparatus for multi-pole acoustic logging while drilling

Azimuthally acoustic imaging logging while drilling (LWD) apparatus

Azimuthally acoustic while drilling signal receiving transducer encapsulating apparatus

Near-bit tool attitude measurement while drilling apparatus and method

Method for synchronizing azimuth detection data while drilling and device for azimuth detection while drilling

Near bit wireless constant current short distance transmission method and device

Constant amplitude adjusting method and system for pressure pulse of drilling tool

Dynamic testing device suitable for drilling tool attitude measurement module

Rotary steerable drilling tool and method of control thereof

Hybrid rotary guiding device

Phase-controlled excitation downhole nuclear magnetic resonance imaging device and method

Full digital device of receiving transducer array of acoustic logging while drilling instrument

Electrode type near bit wireless short distance transmission modulation method and apparatus

Method for acquiring data of azimuthal acoustic logging while drilling

Acoustic source testing apparatus of azimuthally acoustic logging while drilling (LWD) instrument

Calibration method under near-bit wireless short-transmission ground envrionment based on electric field theory

Receiving apparatus for downhole near-bit wireless transmission

Signal acquisition method and device of azimuthal electromagnetic wave resistivity instrument while drilling

Fluid pressure measuring device for measurement-while-drilling tool

Gravity acceleration measurement apparatus and extraction method in a rotating state

Rotary guiding device based on radial driving force

Method for synchronizing acoustic asynchronous serial signals while drilling

Source automatic mounting and demounting control system and method for nuclear logging instruments

Near-bit constant-power wireless short-distance transmission method and apparatus

Azimuthal acoustic logging while drilling apparatus and measurement method

Apparatus for testing the function and performance of a rotary steerable tool in a horizontal or inclined state

Apparatus for downhole near-bit wireless transmission

Integral packaging device for acoustic receiving transducers while drilling

Near-bit dynamic well deviation angle measurement method and apparatus

Wear-leveling nandflash memory reading/writing method

Receiving apparatus suitable for azimuthally acoustic logging while drilling

Downhole vibration and impact data recording method

Conductive slip ring for logging while drilling instrument

Device for power transmission and signal transfer between stator and rotor of screw drilling tool

BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Method for positioning terminal device, electronic device and storage medium

CHEN WENXUAN

Nail clipper