ZZ

Zhijuan Zhang

HS Halliburton Energy Services: 6 patents #1,023 of 4,711Top 25%
BC Baker Hughes, A Ge Company: 1 patents #709 of 1,459Top 50%
📍 Houston, TX: #3,306 of 21,073 inventorsTop 20%
🗺 Texas: #21,377 of 125,132 inventorsTop 20%
Overall (All Time): #691,354 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11905816 Casing thickness estimation by frequency correlation Nazareth Bedrossian 2024-02-20
10884159 Logging with joint ultrasound and X-ray technologies Weijun Guo, Sriram Srinivasan 2021-01-05
10301932 Ultrasonic casing and cement evaluation method using a ray tracing model Tianrun Chen, Yibing Zheng, Tatiana Gilstrap, Arthur Cheng, Robert Eric Epstein 2019-05-28
10222501 Televiewer image wood-grain reduction techniques Douglas J. Patterson, Roger R. Steinsiek, Wei Han 2019-03-05
10209398 Drilling fluid property determination Weijun Guo, Sriram Srinivasan 2019-02-19
10012762 Standoff determination Weijun Guo, Dongwon Lee 2018-07-03
9322807 Ultrasonic signal time-frequency decomposition for borehole evaluation or pipeline inspection Yinghui Lu, Arthur Cheng, Tatiana Gilstrap, Rob Epstein 2016-04-26