Inventor
BOLSHAKOV ALEXEI
US17 patents
⚠️ This page may combine multiple inventors who share the name “BOLSHAKOV ALEXEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAKER HUGHES INC
15 patentsUS6769497B2Aug 3, 2004
Use of axial accelerometer for estimation of instantaneous ROP downhole for LWD and wireline applications
BAKER HUGHES INC100 citations97
US6023443AFeb 8, 2000
Semblance processing for an acoustic measurement-while-drilling system for imaging of formation boundaries
BAKER HUGHES INC84 citations95
US6615949B1Sep 9, 2003
Acoustic isolator for downhole applications
BAKER HUGHES INC45 citations93
US7773454B2Aug 10, 2010
Method and apparatus for cement evaluation using multiple acoustic wave types
BAKER HUGHES INC25 citations92
US7681450B2Mar 23, 2010
Casing resonant radial flexural modes in cement bond evaluation
BAKER HUGHES INC24 citations92
US7525872B2Apr 28, 2009
Method and apparatus for cement bond evaluation using transversely polarized shear waves
BAKER HUGHES INC39 citations92
US6915875B2Jul 12, 2005
Acoustic isolator for downhole applications
BAKER HUGHES INC25 citations92
US7787327B2Aug 31, 2010
Cement bond analysis
BAKER HUGHES INC49 citations91
US7150317B2Dec 19, 2006
Use of electromagnetic acoustic transducers in downhole cement evaluation
BAKER HUGHES INC37 citations90
US7032707B2Apr 25, 2006
Acoustic isolator downhole applications
BAKER HUGHES INC34 citations90
US7639562B2Dec 29, 2009
Active noise cancellation through the use of magnetic coupling
BAKER HUGHES INC13 citations84
US7028806B2Apr 18, 2006
Acoustic isolator for downhole applications
BAKER HUGHES INC14 citations84
US7663969B2Feb 16, 2010
Use of Lamb waves in cement bond logging
BAKER HUGHES INC17 citations80
US9273545B2Mar 1, 2016
Use of Lamb and SH attenuations to estimate cement Vp and Vs in cased borehole
BAKER HUGHES INC5 citations70
US7911877B2Mar 22, 2011
Active noise cancellation through the use of magnetic coupling
BAKER HUGHES INC1 citations52