Inventor
CAO JINHUA
US10 patents
Patents
10 patentsUS11274519B1Mar 15, 2022
Reverse cementing tool
HALLIBURTON ENERGY SERVICES INC5 citations70
US12326079B2Jun 10, 2025
Induction loop cementing progress detection
HALLIBURTON ENERGY SERVICES INC0 citations61
US11802850B2Oct 31, 2023
Magnetic permeability sensor with permanent magnet for downhole sensing
HALLIBURTON ENERGY SERVICES INC0 citations61
US11519258B2Dec 6, 2022
Pressure testing casing string during reverse cementing operations
HALLIBURTON ENERGY SERVICES INC0 citations61
US12060763B2Aug 13, 2024
Cementing apparatus for reverse cementing
HALLIBURTON ENERGY SERVICES INC0 citations60
US11746618B2Sep 5, 2023
Cementing apparatus for reverse cementing
HALLIBURTON ENERGY SERVICES INC0 citations60
US11448038B2Sep 20, 2022
Reverse cementing valve system and method employing a double flapper valve with sliding sleeve and drillable nose
HALLIBURTON ENERGY SERVICES INC0 citations60
US12037889B2Jul 16, 2024
Permanent electromagnet sensor to detect the end of reverse cementing
HALLIBURTON ENERGY SERVICES INC0 citations53
US12188343B2Jan 7, 2025
Sensor and actuator for autonomously detecting resistivity derivatives of wellbore fluids and closing fluid path
HALLIBURTON ENERGY SERVICES INC0 citations43
US11965417B2Apr 23, 2024
Magnetic sensor assembly having a non-flat shape plug for cement slurry sensing
HALLIBURTON ENERGY SERVICES INC0 citations43