Inventor
SAKIYAMA NAOKI
US16 patents
Patents
16 patentsUS10655462B2May 19, 2020
Acoustic tool eccentering correction
SCHLUMBERGER TECHNOLOGY CORP2 citations71
US10585202B2Mar 10, 2020
Acoustic sensing with azimuthally distributed transmitters and receivers
SCHLUMBERGER TECHNOLOGY CORP4 citations71
US10544668B2Jan 28, 2020
System and methodology for acoustic measurement driven geo-steering
SCHLUMBERGER TECHNOLOGY CORP2 citations71
US10955577B2Mar 23, 2021
Systems and methods for evaluation of formation shear slowness
SCHLUMBERGER TECHNOLOGY CORP2 citations70
US10859726B2Dec 8, 2020
Multi-mode acoustic tool and method
SCHLUMBERGER TECHNOLOGY CORP2 citations70
US10364664B2Jul 30, 2019
Downhole acoustic mapping
SCHLUMBERGER TECHNOLOGY CORP6 citations68
US9927541B2Mar 27, 2018
Apparatus for monopole and multipole sonic logging of a downhole formation
SCHLUMBERGER TECHNOLOGY CORP4 citations67
US12523147B2Jan 13, 2026
Ultrasonic borehole classification method
SCHLUMBERGER TECHNOLOGY CORP0 citations54
US12529307B2Jan 20, 2026
Monopole screening of acoustic dipole LWD measurements
SCHLUMBERGER TECHNOLOGY CORP0 citations53
US10392934B2Aug 27, 2019
Method and apparatus for processing waveforms
SCHLUMBERGER TECHNOLOGY CORP0 citations52
US10677051B2Jun 9, 2020
Methods and apparatus to characterize acoustic dispersions in a borehole
SCHLUMBERGER TECHNOLOGY CORP0 citations51
US11249212B2Feb 15, 2022
Method of separation evaluation of acoustic anisotropy and heterogeneity
SCHLUMBERGER TECHNOLOGY CORP0 citations50
US11015427B2May 25, 2021
System and method for quantitative cement bond evaluation
SCHLUMBERGER TECHNOLOGY CORP0 citations50
US12591076B2Mar 31, 2026
Frequency domain stacking of acoustic dipole LWD measurements
SCHLUMBERGER TECHNOLOGY CORP0 citations49
US12591077B2Mar 31, 2026
Time domain stacking of acoustic dipole LWD measurements
SCHLUMBERGER TECHNOLOGY CORP0 citations49
US10429532B2Oct 1, 2019
System and methodology for estimating formation elastic properties using decomposed and undecomposed signal
SCHLUMBERGER TECHNOLOGY CORP0 citations49