Chung Chang

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Tubing eccentricity evaluation using acoustic signals
- Patent number 12,078,052
- Issue date Sep 3, 2024
- Halliburton Energy Services, Inc.
- Brenno Caetano Troca Cabella
- E21 - EARTH DRILLING MINING
Information Patent Grant
Acoustic sensor self-induced interference control
- Patent number 12,022,736
- Issue date Jun 25, 2024
- Halliburton Energy Services, Inc.
- Chung Chang
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for geophysical formation evaluation measureme...
- Patent number 11,994,642
- Issue date May 28, 2024
- Halliburton Energy Services, Inc.
- Kristoffer Thomas Walker
- G01 - MEASURING TESTING
Information Patent Grant
Downhole ultrasound image correction in oil based mud
- Patent number 11,927,712
- Issue date Mar 12, 2024
- Halliburton Energy Services, Inc.
- Yu Weng
- G01 - MEASURING TESTING
Information Patent Grant
Short and wideband isolator for acoustic tools
- Patent number 11,840,924
- Issue date Dec 12, 2023
- Halliburton Energy Services, Inc.
- Jing Jin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Through-tubing, cased-hole sealed material evaluation using acousti...
- Patent number 11,808,136
- Issue date Nov 7, 2023
- Halliburton Energy Services, Inc.
- Pablo Vieira Rego
- E21 - EARTH DRILLING MINING
Information Patent Grant
Acoustic sensor self-induced interference control
- Patent number 11,770,975
- Issue date Sep 26, 2023
- Halliburton Energy Services, Inc.
- Chung Chang
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Sonic through tubing cement evaluation
- Patent number 11,662,495
- Issue date May 30, 2023
- Halliburton Energy Services, Inc.
- Chung Chang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Through tubing acoustic measurements
- Patent number 11,662,496
- Issue date May 30, 2023
- Halliburton Energy Services, Inc.
- Brenno Caetano Troca Cabella
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Downhole acoustic measurement
- Patent number 11,650,346
- Issue date May 16, 2023
- Halliburton Energy Services, Inc.
- Chung Chang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Robust logging-while-drilling sonic transmitters with improved stre...
- Patent number 11,578,592
- Issue date Feb 14, 2023
- Halliburton Energy Services, Inc.
- Chung Chang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Enhanced-resolution rock formation body wave slowness determination...
- Patent number 11,550,073
- Issue date Jan 10, 2023
- Halliburton Energy Services, Inc.
- Ruijia Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Downhole tool dynamic and motion measurement with multiple ultrasou...
- Patent number 11,519,255
- Issue date Dec 6, 2022
- Halliburton Energy Services, Inc.
- Peng Li
- E21 - EARTH DRILLING MINING
Information Patent Grant
Logging while drilling tool
- Patent number 11,512,586
- Issue date Nov 29, 2022
- Halliburton Energy Services, Inc.
- Qingtao Sun
- E21 - EARTH DRILLING MINING
Information Patent Grant
Enhanced waveform analysis for target modes of borehole waves
- Patent number 11,435,493
- Issue date Sep 6, 2022
- Halliburton Energy Services, Inc.
- Ruijia Wang
- G01 - MEASURING TESTING
Information Patent Grant
Downhole ultrasound image correction in oil based mud
- Patent number 11,415,720
- Issue date Aug 16, 2022
- Halliburton Energy Services, Inc.
- Yu Weng
- E21 - EARTH DRILLING MINING
Information Patent Grant
Borehole dispersive wave processing with automatic dispersion match...
- Patent number 11,385,374
- Issue date Jul 12, 2022
- Halliburton Energy Services, Inc.
- Ruijia Wang
- G01 - MEASURING TESTING
Information Patent Grant
Acoustic receivers with cylindrical crystals
- Patent number 11,293,904
- Issue date Apr 5, 2022
- Halliburton Energy Services, Inc.
- Minh Dang Nguyen
- G01 - MEASURING TESTING
Information Patent Grant
Hydrophone having no internal leads
- Patent number 11,280,926
- Issue date Mar 22, 2022
- Halliburton Energy Services, Inc.
- Chung Chang
- G01 - MEASURING TESTING
Information Patent Grant
Borehole imaging using amplitudes of refracted acoustic waves
- Patent number 11,243,326
- Issue date Feb 8, 2022
- Halliburton Energy Services, Inc.
- Yao Ge
- E21 - EARTH DRILLING MINING
Information Patent Grant
High precision acoustic logging processing for compressional and sh...
- Patent number 11,209,565
- Issue date Dec 28, 2021
- Halliburton Energy Services, Inc.
- Ruijia Wang
- G01 - MEASURING TESTING
Information Patent Grant
Quadruple transmitter and methods to determine wave velocities of a...
- Patent number 11,143,777
- Issue date Oct 12, 2021
- Halliburton Energy Services, Inc.
- Jing Jin
- G01 - MEASURING TESTING
Information Patent Grant
Automatic slowness-frequency range determination for advanced boreh...
- Patent number 11,112,519
- Issue date Sep 7, 2021
- Halliburton Energy Services, Inc.
- Ruijia Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Echo velocity measurements without using recessed ultrasonic transc...
- Patent number 10,947,838
- Issue date Mar 16, 2021
- Halliburton Energy Services, Inc.
- Chung Chang
- G01 - MEASURING TESTING
Information Patent Grant
Identifying and visually presenting formation slowness based on low...
- Patent number 10,775,525
- Issue date Sep 15, 2020
- Halliburton Energy Services, Inc.
- Ruijia Wang
- G01 - MEASURING TESTING
Information Patent Grant
Quasi-static Stoneley slowness estimation
- Patent number 10,670,761
- Issue date Jun 2, 2020
- Halliburton Energy Services, Inc.
- Ruijia Wang
- G01 - MEASURING TESTING
Information Patent Grant
Real-time determination of mud slowness, formation type, and monopo...
- Patent number 10,663,612
- Issue date May 26, 2020
- Halliburton Energy Services, Inc.
- Ruijia Wang
- G01 - MEASURING TESTING
Information Patent Grant
Acoustic receivers with cylindrical crystals
- Patent number 10,663,435
- Issue date May 26, 2020
- Halliburton Energy Services, Inc.
- Minh Dang Nguyen
- G01 - MEASURING TESTING
Information Patent Grant
Downhole acoustic source localization
- Patent number 10,598,563
- Issue date Mar 24, 2020
- Halliburton Energy Services, Inc.
- Yinghui Lu
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and techniques for acoustic logging tool modeling
- Patent number 10,488,538
- Issue date Nov 26, 2019
- Halliburton Energy Services, Inc.
- Chen Li
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
PROCESSING AND JOINT INTERPRETATION USING MULTIPLE BOREHOLE ACOUSTI...
- Publication number 20240392679
- Publication date Nov 28, 2024
- Halliburton Energy Services, Inc.
- Yao GE
- E21 - EARTH DRILLING MINING
Information Patent Application
SLIM SONIC LOGGING TOOL WITH MULTIPLE MODULES FOR BOREHOLE RESONANC...
- Publication number 20240288600
- Publication date Aug 29, 2024
- Halliburton Energy Services, Inc.
- Chung CHANG
- G01 - MEASURING TESTING
Information Patent Application
TTCE DENSE ACOUSTIC ARRAY SLIM TOOL
- Publication number 20240280718
- Publication date Aug 22, 2024
- Halliburton Energy Services, Inc.
- Chung CHANG
- E21 - EARTH DRILLING MINING
Information Patent Application
CEMENT BOND EVALUATION IN A WELLBORE
- Publication number 20240085582
- Publication date Mar 14, 2024
- Halliburton Energy Services, Inc.
- Ruijia Wang
- E21 - EARTH DRILLING MINING
Information Patent Application
ACOUSTIC SENSOR SELF-INDUCED INTERFERENCE CONTROL
- Publication number 20240049601
- Publication date Feb 8, 2024
- Halliburton Energy Services, Inc.
- Chung Chang
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
Sonic Through Tubing Cement Evaluation
- Publication number 20230280489
- Publication date Sep 7, 2023
- Halliburton Energy Services, Inc.
- Chung Chang
- G01 - MEASURING TESTING
Information Patent Application
THROUGH TUBING CEMENT EVALUATION BASED ON CASING EXTENSIONAL WAVES
- Publication number 20230194743
- Publication date Jun 22, 2023
- Halliburton Energy Services, Inc.
- Ruijia Wang
- E21 - EARTH DRILLING MINING
Information Patent Application
TUBING ECCENTRICITY EVALUATION USING ACOUSTIC SIGNALS
- Publication number 20230175391
- Publication date Jun 8, 2023
- Halliburton Energy Services, Inc.
- Brenno Caetano Troca Cabella
- E21 - EARTH DRILLING MINING
Information Patent Application
Short And Wideband Isolator For Acoustic Tools
- Publication number 20230160302
- Publication date May 25, 2023
- Halliburton Energy Services, Inc.
- Jing Jin
- E21 - EARTH DRILLING MINING
Information Patent Application
Acoustic Transducer with Piezoelectric Elements Having Different Po...
- Publication number 20230094543
- Publication date Mar 30, 2023
- Halliburton Energy Services, Inc.
- Jiajun ZHAO
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
THROUGH-TUBING, CASED-HOLE SEALED MATERIAL EVALUATION USING ACOUSTI...
- Publication number 20220381138
- Publication date Dec 1, 2022
- Halliburton Energy Services, Inc.
- Pablo Vieira Rego
- G01 - MEASURING TESTING
Information Patent Application
THROUGH TUBING ACOUSTIC MEASUREMENTS
- Publication number 20220373706
- Publication date Nov 24, 2022
- Halliburton Energy Services, Inc.
- Brenno Caetano Troca Cabella
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Downhole Ultrasound Image Correction in Oil Based Mud
- Publication number 20220276403
- Publication date Sep 1, 2022
- Halliburton Energy Services, Inc.
- Yu Weng
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND APPARATUS FOR GEOPHYSICAL FORMATION EVALUATION MEASUREME...
- Publication number 20220268959
- Publication date Aug 25, 2022
- Halliburton Energy Services, Inc.
- Kristoffer Thomas WALKER
- E21 - EARTH DRILLING MINING
Information Patent Application
ROBUST LOGGING-WHILE-DRILLING SONIC TRANSMITTERS WITH IMPROVED STRE...
- Publication number 20220162938
- Publication date May 26, 2022
- Halliburton Energy Services, Inc.
- Chung Chang
- E21 - EARTH DRILLING MINING
Information Patent Application
LOGGING WHILE DRILLING TOOL
- Publication number 20220106873
- Publication date Apr 7, 2022
- Halliburton Energy Services, Inc.
- Qingtao Sun
- E21 - EARTH DRILLING MINING
Information Patent Application
ENHANCED-RESOLUTION ROCK FORMATION BODY WAVE SLOWNESS DETERMINATION...
- Publication number 20210286099
- Publication date Sep 16, 2021
- Halliburton Energy Services, Inc.
- Ruijia WANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENHANCED WAVEFORM ANALYSIS FOR TARGET MODES OF BOREHOLE WAVES
- Publication number 20210208299
- Publication date Jul 8, 2021
- Halliburton Energy Services, Inc.
- Ruijia WANG
- G01 - MEASURING TESTING
Information Patent Application
Sonic Through Tubing Cement Evaluation
- Publication number 20210123731
- Publication date Apr 29, 2021
- Halliburton Energy Services, Inc.
- Chung Chang
- E21 - EARTH DRILLING MINING
Information Patent Application
ACOUSTIC SENSOR SELF-INDUCED INTERFERENCE CONTROL
- Publication number 20210074904
- Publication date Mar 11, 2021
- Halliburton Energy Services, Inc.
- Chung Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DOWNHOLE ACOUSTIC MEASUREMENT
- Publication number 20210048548
- Publication date Feb 18, 2021
- Halliburton Energy Services, Inc.
- Chung Chang
- G01 - MEASURING TESTING
Information Patent Application
QUADRUPLE TRANSMITTER AND METHODS TO DETERMINE WAVE VELOCITIES OF A...
- Publication number 20210003732
- Publication date Jan 7, 2021
- Halliburton Energy Services, Inc.
- Jing JIN
- E21 - EARTH DRILLING MINING
Information Patent Application
Acoustic Receivers with Cylindrical Crystals
- Publication number 20200278326
- Publication date Sep 3, 2020
- Halliburton Energy Services, Inc.
- Minh Dang Nguyen
- G01 - MEASURING TESTING
Information Patent Application
Mud Speed Measurements Without Using Recessed Ultrasonic Transceiver
- Publication number 20200116012
- Publication date Apr 16, 2020
- Halliburton Energy Services, Inc.
- Chung Chang
- E21 - EARTH DRILLING MINING
Information Patent Application
Downhole Ultrasound Image Correction in Oil Based Mud
- Publication number 20200116884
- Publication date Apr 16, 2020
- Halliburton Energy Services, Inc.
- Yu Weng
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE TOOL DYNAMIC AND MOTION MEASUREMENT WITH MULTIPLE ULTRASOU...
- Publication number 20200116005
- Publication date Apr 16, 2020
- Halliburton Energy Services, Inc.
- Peng Li
- E21 - EARTH DRILLING MINING
Information Patent Application
QUASI-STATIC STONELEY SLOWNESS ESTIMATION
- Publication number 20190317238
- Publication date Oct 17, 2019
- Halliburton Energy Services, Inc.
- Ruijia Wang
- G01 - MEASURING TESTING
Information Patent Application
HYDROPHONE HAVING NO INTERNAL LEADS
- Publication number 20190302303
- Publication date Oct 3, 2019
- Halliburton Energy Services, Inc.
- Chung Chang
- G01 - MEASURING TESTING
Information Patent Application
ACOUSTIC LOGGING DATA PROCESSING USING WAVEFORM AMPLITUDE AND PHASE
- Publication number 20190293823
- Publication date Sep 26, 2019
- Halliburton Energy Services, Inc.
- BAICHUN SUN
- E21 - EARTH DRILLING MINING
Information Patent Application
Real-Time Determination of Mud Slowness, Formation Type, and Monopo...
- Publication number 20190257971
- Publication date Aug 22, 2019
- Halliburton Energy Services , Inc.
- Ruijia WANG
- G01 - MEASURING TESTING

Chung Chang

Person

Patents Grantslast 30 patents

Tubing eccentricity evaluation using acoustic signals

Acoustic sensor self-induced interference control

Method and apparatus for geophysical formation evaluation measureme...

Downhole ultrasound image correction in oil based mud

Short and wideband isolator for acoustic tools

Through-tubing, cased-hole sealed material evaluation using acousti...

Acoustic sensor self-induced interference control

Sonic through tubing cement evaluation

Through tubing acoustic measurements

Downhole acoustic measurement

Robust logging-while-drilling sonic transmitters with improved stre...

Enhanced-resolution rock formation body wave slowness determination...

Downhole tool dynamic and motion measurement with multiple ultrasou...

Logging while drilling tool

Enhanced waveform analysis for target modes of borehole waves

Downhole ultrasound image correction in oil based mud

Borehole dispersive wave processing with automatic dispersion match...

Acoustic receivers with cylindrical crystals

Hydrophone having no internal leads

Borehole imaging using amplitudes of refracted acoustic waves

High precision acoustic logging processing for compressional and sh...

Quadruple transmitter and methods to determine wave velocities of a...

Automatic slowness-frequency range determination for advanced boreh...

Echo velocity measurements without using recessed ultrasonic transc...

Identifying and visually presenting formation slowness based on low...

Quasi-static Stoneley slowness estimation

Real-time determination of mud slowness, formation type, and monopo...

Acoustic receivers with cylindrical crystals

Downhole acoustic source localization

Apparatus and techniques for acoustic logging tool modeling

Patents Applicationslast 30 patents

PROCESSING AND JOINT INTERPRETATION USING MULTIPLE BOREHOLE ACOUSTI...

SLIM SONIC LOGGING TOOL WITH MULTIPLE MODULES FOR BOREHOLE RESONANC...

TTCE DENSE ACOUSTIC ARRAY SLIM TOOL

CEMENT BOND EVALUATION IN A WELLBORE

ACOUSTIC SENSOR SELF-INDUCED INTERFERENCE CONTROL

Sonic Through Tubing Cement Evaluation

THROUGH TUBING CEMENT EVALUATION BASED ON CASING EXTENSIONAL WAVES

TUBING ECCENTRICITY EVALUATION USING ACOUSTIC SIGNALS

Short And Wideband Isolator For Acoustic Tools

Acoustic Transducer with Piezoelectric Elements Having Different Po...

THROUGH-TUBING, CASED-HOLE SEALED MATERIAL EVALUATION USING ACOUSTI...

THROUGH TUBING ACOUSTIC MEASUREMENTS

Downhole Ultrasound Image Correction in Oil Based Mud

METHOD AND APPARATUS FOR GEOPHYSICAL FORMATION EVALUATION MEASUREME...

ROBUST LOGGING-WHILE-DRILLING SONIC TRANSMITTERS WITH IMPROVED STRE...

LOGGING WHILE DRILLING TOOL

ENHANCED-RESOLUTION ROCK FORMATION BODY WAVE SLOWNESS DETERMINATION...

ENHANCED WAVEFORM ANALYSIS FOR TARGET MODES OF BOREHOLE WAVES

Sonic Through Tubing Cement Evaluation

ACOUSTIC SENSOR SELF-INDUCED INTERFERENCE CONTROL

DOWNHOLE ACOUSTIC MEASUREMENT

QUADRUPLE TRANSMITTER AND METHODS TO DETERMINE WAVE VELOCITIES OF A...

Acoustic Receivers with Cylindrical Crystals

Mud Speed Measurements Without Using Recessed Ultrasonic Transceiver

Downhole Ultrasound Image Correction in Oil Based Mud

DOWNHOLE TOOL DYNAMIC AND MOTION MEASUREMENT WITH MULTIPLE ULTRASOU...

QUASI-STATIC STONELEY SLOWNESS ESTIMATION

HYDROPHONE HAVING NO INTERNAL LEADS

ACOUSTIC LOGGING DATA PROCESSING USING WAVEFORM AMPLITUDE AND PHASE

Real-Time Determination of Mud Slowness, Formation Type, and Monopo...