Patents/Inventors

Lizheng Zhang

Houston, TXUS15 patents

16 Patents

US125843602026
Sonde Centralization Inside a Collar
Halliburton Energy Services, Inc.
0 cites
US125478132026
Simultaneous Placement and Routing Based Method and Apparatus for Incremental Design Optimization, and Computer Device
ZHENGXINYUAN TECHNOLOGY (HANGZHOU) CO., Ltd.
0 cites
US123316402025
Steering Valve for Deactivating a Steering Pad of a Rotary Steerable System
HALLIBURTON ENERGY SERVICES, Inc.
0 cites
US123260832025
Secondary Steering Pad Retention Mechanism
Halliburton Energy Services, Inc.
0 cites
US122474852025
Rotary Steerable System with Multiple Rows of Actuators
Halliburton Energy Services, Inc.
0 cites
US121808332024
Rotary Steerable System Steering Pad Actuator for Wellbore Drilling
Halliburton Energy Services, Inc.
0 cites
US121168932024
Shear Pin for Deactivating a Steering Pad of a Rotary Steerable System
HALLIBURTON ENERGY SERVICES, Inc.
0 cites
US120314332024
Steering Valve for Deactivating a Steering Pad of a Rotary Steerable System
HALLIBURTON ENERGY SERVICES, Inc.
0 cites
US119880502024
Centralizer with Opposing Hollow Spring Structure
Halliburton Energy Services, Inc.
0 cites
US119331152024
Centralizer with Opposing Projections
Halliburton Energy Services, Inc.
0 cites
US119331162024
Eccentric Centralizer
Halliburton Energy Services, Inc.
0 cites
US118736872024
Centralizer with Elongated Rods
Halliburton Energy Services, Inc.
0 cites
US118736882024
Centralizer with Opposing Hollow Spring Structure
Halliburton Energy Services, Inc.
0 cites
US117737182023
Formation Fluid Sampling Methods and Systems
Halliburton Energy Services, Inc.
0 cites
US117538712023
Rotary Steerable System for Wellbore Drilling
Halliburton Energy Services, Inc.
0 cites
US116349822023
Filtering of RSS Pad Noise in Mud Pulse Telemetry Systems and Detection of RSS Pad Leaks
HALLIBURTON ENERGY SERVICES, Inc.
0 cites