Inventor
LIU ZHANKE
US16 patents
⚠️ This page may combine multiple inventors who share the name “LIU ZHANKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
13 patentsUS10883966B2Jan 5, 2021
Pipe defect assessment system and method
SCHLUMBERGER TECHNOLOGY CORP7 citations83
US9671371B2Jun 6, 2017
Anomaly recognition system and methodology
SCHLUMBERGER TECHNOLOGY CORP8 citations81
US11808097B2Nov 7, 2023
Flow rate pressure control during mill-out operations
SCHLUMBERGER TECHNOLOGY CORP5 citations72
US11029283B2Jun 8, 2021
Pipe damage assessment system and method
SCHLUMBERGER TECHNOLOGY CORP6 citations72
US11619124B2Apr 4, 2023
System and methodology to identify milling events and performance using torque-thrust curves
SCHLUMBERGER TECHNOLOGY CORP2 citations68
US12590925B2Mar 31, 2026
Coiled tubing and casing inspection based on magnetic flux leakage measurements
SCHLUMBERGER TECHNOLOGY CORP0 citations61
US12560035B2Feb 24, 2026
Flow rate pressure control during mill-out operations
SCHLUMBERGER TECHNOLOGY CORP0 citations60
US10877000B2Dec 29, 2020
Fatigue life assessment
SCHLUMBERGER TECHNOLOGY CORP1 citations60
US12000261B2Jun 4, 2024
System and methodology for determining appropriate rate of penetration in downhole applications
SCHLUMBERGER TECHNOLOGY CORP1 citations58
US11662334B2May 30, 2023
Tracking and estimating tubing fatigue in cycles to failure considering non-destructive evaluation of tubing defects
SCHLUMBERGER TECHNOLOGY CORP1 citations55
US11237132B2Feb 1, 2022
Tracking and estimating tubing fatigue in cycles to failure considering non-destructive evaluation of tubing defects
SCHLUMBERGER TECHNOLOGY CORP0 citations55
US10444188B2Oct 15, 2019
Monitoring pipe conditions
SCHLUMBERGER TECHNOLOGY CORP0 citations42
US11899243B2Feb 13, 2024
System and method for joining fiber optic cables
SCHLUMBERGER TECHNOLOGY CORP0 citations41