|
US2021063352A1
|
|
Magnetic Transducer Using Hybrid Magnetic Matrix Core for Downhole Measurement Applications
|
|
US2020347717A1
|
|
Apparatus of Automatic Resonance Frequency Matching for Downhole Application
|
|
US2020072996A1
|
|
Method and System of Light-Weight Cement Bond Evaluation by Acoustic Vortex Waves
|
|
US2019330970A1
|
|
Method and System of Cement Bond Evaluation by Non-Stationary Acoustic Waves
|
|
US2019265199A1
|
|
Method and system of evaluating cement bonds through tubing
|
|
US2019226318A1
|
|
Apparatus and method for hybrid sonic transmitter integrated with centralizer for cement bond log cased-hole application
|
|
US2019086572A1
|
|
Apparatus and Method of Quasiperiodic Sequence Acoustic Isolator for Down-Hole Applications
|
|
US2019004202A1
|
|
Apparatus and Method of Azimuthal Magnetic Sensor Array for Down-Hole Applications
|
|
US2018128930A1
|
|
Apparatus and Method for Nonlinear Acoustic Self-demodulation for Cased Hole Cement Evaluation Measurement
|
|
US2018112523A1
|
|
Apparatus and method of propagation and spatial location analysis by acoustic array for down-hole applications
|
|
US2018038985A1
|
|
Fractal magnetic sensor array using mega matrix decomposition method for downhole application
|
|
US2017314387A1
|
|
Apparatus and Method of Conductivity and Permeability Based on Pulsed Eddy Current
|
|
US2017254916A1
|
|
Method and apparatus for synthetic magnetic sensor aperture using eddy current time transient measurement for downhole applications
|
|
US2017081955A1
|
|
System and method for a bonded differential magnetic sensor array using pulsed eddy current for cased-hole applications
|
|
US2017002642A1
|
|
Apparatus and method for a matrix acoustic array
|
|
US2016370166A1
|
|
Method and Apparatus for Metal Thickness Measurement in Pipes with a Focused Magnetic Field
|
