Inventor
HAGIWARA TERUHIKO
US31 patents
⚠️ This page may combine multiple inventors who share the name “HAGIWARA TERUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHELL OIL CO
11 patentsUS6760666B2Jul 6, 2004
Method for determining anisotropic resistivity and dip angle in an earth formation
SHELL OIL CO31 citations92
US4626785ADec 2, 1986
Focused very high frequency induction logging
SHELL OIL CO29 citations92
US7425831B2Sep 16, 2008
System and method for locating an anomaly
SHELL OIL CO14 citations90
US7557581B2Jul 7, 2009
Method for imaging subterranean formations
SHELL OIL CO8 citations82
US7538555B2May 26, 2009
System and method for locating an anomaly ahead of a drill bit
SHELL OIL CO14 citations82
US7425830B2Sep 16, 2008
System and method for locating an anomaly
SHELL OIL CO9 citations82
US7414406B2Aug 19, 2008
System and method for locating an anomaly
SHELL OIL CO11 citations82
US4739255AApr 19, 1988
Method for analyzing thinly bedded sand/shale formations
SHELL OIL CO8 citations74
US4529938AJul 16, 1985
High frequency induction method for locating the interface between formations having the same resistivity
SHELL OIL CO12 citations74
US7609065B2Oct 27, 2009
System and method for locating an anomaly
SHELL OIL CO6 citations71
US7746076B2Jun 29, 2010
Method for imaging subterranean formations
SHELL OIL CO3 citations61
HALLIBURTON ENERGY SERV INC
10 patentsUS6181138B1Jan 30, 2001
Directional resistivity measurements for azimuthal proximity detection of bed boundaries
HALLIBURTON ENERGY SERV INC339 citations99
US5966013AOct 12, 1999
Determination of horizontal resistivity of formations utilizing induction-type logging measurements in deviated borehole
HALLIBURTON ENERGY SERV INC97 citations98
US6211678B1Apr 3, 2001
Method for radial profiling of resistivity at multiple depths of investigation
HALLIBURTON ENERGY SERV INC67 citations96
US6255819B1Jul 3, 2001
System and method for geologically-enhanced magnetic resonance imaging logs
HALLIBURTON ENERGY SERV INC64 citations93
US6366088B1Apr 2, 2002
Method to enhance vertical resolution of time-decay log using forward modeling deconvolution of time-decay spectra
HALLIBURTON ENERGY SERV INC27 citations92
US6253155B1Jun 26, 2001
Enhanced vertical resolution for logging tools using walsh-transform deconvolution
HALLIBURTON ENERGY SERV INC34 citations92
US6216090B1Apr 10, 2001
Interferometric processing method to identify bed boundaries
HALLIBURTON ENERGY SERV INC34 citations92
US5753813AMay 19, 1998
Apparatus and method for monitoring formation compaction with improved accuracy
HALLIBURTON ENERGY SERV INC51 citations92
US7135862B2Nov 14, 2006
NMR logging using time-domain averaging
HALLIBURTON ENERGY SERV INC9 citations74
US6584407B2Jun 24, 2003
Formation resistivity measurement method that eliminates effects of lateral tool motion
HALLIBURTON ENERGY SERV INC4 citations55
ARAMCO SERVICES CO
3 patentsUS9482776B2Nov 1, 2016
Interferometric processing to detect subterranean geological boundaries
ARAMCO SERVICES CO4 citations73
US10928541B2Feb 23, 2021
Logging tool with magnetic source and electric dipole sensor for forward and lateral imaging
ARAMCO SERVICES CO0 citations62
US10557961B2Feb 11, 2020
Logging tool with electric dipole source and magnetic sensor for forward and lateral imaging
ARAMCO SERVICES CO0 citations52
(unassigned)
2 patentsSAUDI ARABIAN OIL CO
2 patentsUS10774636B2Sep 15, 2020
Anisotropy and dip angle determination using electromagnetic (EM) impulses from tilted antennas
SAUDI ARABIAN OIL CO0 citations52
US10161245B2Dec 25, 2018
Anisotropy and dip angle determination using electromagnetic (EM) impulses from tilted antennas
SAUDI ARABIAN OIL CO1 citations52