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Inventor
KNIZHNIK SERGEI
US
7 patents
⚠️ This page may combine multiple inventors who share the name “KNIZHNIK SERGEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NABORS DRILLING TECH USA INC
3 patents
US11940591B2
Mar 26, 2024
Gamma ray logging tool with detector window
NABORS DRILLING TECH USA INC
0 citations
59
US12286853B2
Apr 29, 2025
Instrumented sub
NABORS DRILLING TECH USA INC
0 citations
56
US12595708B2
Apr 7, 2026
Centralizer for a tool in a drill collar
NABORS DRILLING TECH USA INC
0 citations
41
HALLIBURTON ENERGY SERV INC
2 patents
US6940378B2
Sep 6, 2005
Apparatus and method for magnetic resonance measurements in an interior volume
HALLIBURTON ENERGY SERV INC
33 citations
89
US6956372B2
Oct 18, 2005
System and method for NMR logging with helical polarization
HALLIBURTON ENERGY SERV INC
8 citations
71
APS TECH INC
1 patent
US11156735B2
Oct 26, 2021
Acoustic logging tool
APS TECH INC
0 citations
45
WEATHERFORD TECH HOLDINGS INC
1 patent
US10684387B2
Jun 16, 2020
Logging tool having side-looking nuclear magnetic resonance sensor
WEATHERFORD TECH HOLDINGS INC
0 citations
36