Inventor

LIU ZHENGCHUN

US19 patents

⚠️ This page may combine multiple inventors who share the name “LIU ZHENGCHUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LIU ZHENGCHUN

LANDMARK GRAPHICS CORP

Corrosion prediction for integrity assessment of metal tubular structures

Wellbore thermal, pressure, and stress analysis above end of operating string

Vector-ratio safety factors for wellbore tubular design

Simulating the effects of syntactic foam on annular pressure buildup during annular fluid expansion in a wellbore

Real-time trajectory control during drilling operations

Optimized visualization of loads and resistances for wellbore tubular design

Systems and methods for integrated and comprehensive hydraulic, thermal and mechanical tubular design analysis for complex well trajectories

Method for predicting annular fluid expansion in a borehole

Stress analysis for plastic material lined tubular structures for boreholes

Wellbore thermal flow, stress and well loading analysis with jet pump

CO2 operation temperature and pressure analysis and well design with CO2 modeling with equation of state method

Systems and methods for borehole tubular design

Determining gas-oil and oil-water shut-in interfaces for an undulating well

Simulating the effects of rupture disk failure on annular fluid expansion in sealed and open annuli

HALLIBURTON ENERGY SERVICES INC

Method and criteria for trajectory control

Model for estimating drilling tool wear

AMAZON TECH INC

Query performance prediction using multiple experts

UNIV CHANGSHA SCI & TECH

Reference value quantification method for modifier dosage of modified asphalt

UNIV CENTRAL SOUTH

Microelectrode sensor for detecting Staphylococcus aureus and preparation and application methods thereof