Patents/Inventors

Chung Chang

Houston, TXUS15 patents

15 Patents

US125298172026
Sonic Through Tubing Cement Evaluation
Halliburton Energy Services, Inc.
0 cites
US123602662025
Acoustic Transducer with Piezoelectric Elements Having Different Polarities
Halliburton Energy Services, Inc.
0 cites
US121969082025
Through Tubing Cement Evaluation Based on Casing Extensional Waves
Halliburton Energy Services, Inc.
0 cites
US120780522024
Tubing Eccentricity Evaluation Using Acoustic Signals
Halliburton Energy Services, Inc.
0 cites
US120227362024
Acoustic Sensor Self-induced Interference Control
Halliburton Energy Services, Inc.
0 cites
US119946422024
Method and Apparatus for Geophysical Formation Evaluation Measurements Behind Casing
HALLIBURTON ENERGY SERVICES, Inc.
0 cites
US119277122024
Downhole Ultrasound Image Correction in Oil Based Mud
Halliburton Energy Services, Inc.
0 cites
US118409242023
Short and Wideband Isolator for Acoustic Tools
Halliburton Energy Services, Inc.
0 cites
US118081362023
Through-tubing, Cased-hole Sealed Material Evaluation Using Acoustic Measurements
Halliburton Energy Services, Inc.
0 cites
US117709752023
Acoustic Sensor Self-induced Interference Control
Halliburton Energy Services, Inc.
0 cites
US116624952023
Sonic Through Tubing Cement Evaluation
Halliburton Energy Services, Inc.
0 cites
US116624962023
Through Tubing Acoustic Measurements
Halliburton Energy Services, Inc.
0 cites
US116503462023
Downhole Acoustic Measurement
Halliburton Energy Services, Inc.
0 cites
US115785922023
Robust Logging-while-drilling Sonic Transmitters with Improved Strength and Bandwidth
Halliburton Energy Services, Inc.
0 cites
US115500732023
Enhanced-resolution Rock Formation Body Wave Slowness Determination from Borehole Guided Waves
HALLIBURTON ENERGY SERVICES, Inc.
0 cites