Inventor
BIRCHAK JAMES R
US38 patents
⚠️ This page may combine multiple inventors who share the name “BIRCHAK JAMES R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HALLIBURTON ENERGY SERV INC
23 patentsUS6397950B1Jun 4, 2002
Apparatus and method for removing a frangible rupture disc or other frangible device from a wellbore casing
HALLIBURTON ENERGY SERV INC177 citations99
US6378357B1Apr 30, 2002
Method of fluid rheology characterization and apparatus therefor
HALLIBURTON ENERGY SERV INC194 citations99
US5741962AApr 21, 1998
Apparatus and method for analyzing a retrieving formation fluid utilizing acoustic measurements
HALLIBURTON ENERGY SERV INC209 citations99
US6672163B2Jan 6, 2004
Acoustic sensor for fluid characterization
HALLIBURTON ENERGY SERV INC107 citations98
US6619394B2Sep 16, 2003
Method and apparatus for treating a wellbore with vibratory waves to remove particles therefrom
HALLIBURTON ENERGY SERV INC102 citations98
US6568271B2May 27, 2003
Guided acoustic wave sensor for pipeline build-up monitoring and characterization
HALLIBURTON ENERGY SERV INC82 citations97
US7318471B2Jan 15, 2008
System and method for monitoring and removing blockage in a downhole oil and gas recovery operation
HALLIBURTON ENERGY SERV INC64 citations96
US6817229B2Nov 16, 2004
Acoustic sensor for fluid characterization
HALLIBURTON ENERGY SERV INC60 citations96
US6412354B1Jul 2, 2002
Vibrational forced mode fluid property monitor and method
HALLIBURTON ENERGY SERV INC84 citations96
US6400646B1Jun 4, 2002
Method for compensating for remote clock offset
HALLIBURTON ENERGY SERV INC121 citations96
US6513385B1Feb 4, 2003
Acoustic sensor for pipeline deposition characterization and monitoring
HALLIBURTON ENERGY SERV INC70 citations95
US6131694AOct 17, 2000
Vertical seismic profiling in a drilling tool
HALLIBURTON ENERGY SERV INC116 citations95
US6470749B1Oct 29, 2002
Method and apparatus for pulsed ultrasonic doppler measurement of wall deposition
HALLIBURTON ENERGY SERV INC75 citations94
US6137747AOct 24, 2000
Single point contact acoustic transmitter
HALLIBURTON ENERGY SERV INC75 citations93
US6102152AAug 15, 2000
Dipole/monopole acoustic transmitter, methods for making and using same in down hole tools
HALLIBURTON ENERGY SERV INC49 citations92
US6478107B1Nov 12, 2002
Axially extended downhole seismic source
HALLIBURTON ENERGY SERV INC29 citations91
US6438070B1Aug 20, 2002
Hydrophone for use in a downhole tool
HALLIBURTON ENERGY SERV INC26 citations91
US6938458B2Sep 6, 2005
Acoustic doppler downhole fluid flow measurement
HALLIBURTON ENERGY SERV INC20 citations90
US6829947B2Dec 14, 2004
Acoustic Doppler downhole fluid flow measurement
HALLIBURTON ENERGY SERV INC39 citations90
US6310426B1Oct 30, 2001
High resolution focused ultrasonic transducer, for LWD method of making and using same
HALLIBURTON ENERGY SERV INC28 citations90
US7213650B2May 8, 2007
System and method for scale removal in oil and gas recovery operations
HALLIBURTON ENERGY SERV INC46 citations88
US6701787B2Mar 9, 2004
Acoustic sensor for pipeline deposition characterization and monitoring of pipeline deposits
HALLIBURTON ENERGY SERV INC9 citations73
US6594199B2Jul 15, 2003
Hydrophone for use in a downhole tool
HALLIBURTON ENERGY SERV INC3 citations61
NL INDUSTRIES INC
4 patentsUS4665511AMay 12, 1987
System for acoustic caliper measurements
NL INDUSTRIES INC153 citations98
US4532812AAug 6, 1985
Parametric acoustic flow meter
NL INDUSTRIES INC59 citations96
US4571693AFeb 18, 1986
Acoustic device for measuring fluid properties
NL INDUSTRIES INC129 citations95
US4625173ANov 25, 1986
System for monitoring formation spontaneous potential and polarization constant while drilling
NL INDUSTRIES INC20 citations82
GAS RES INST
4 patentsUS6125079ASep 26, 2000
System and method for providing dual distance transducers to image behind an acoustically reflective layer
GAS RES INST57 citations96
US5995447ANov 30, 1999
System and method for processing acoustic signals to image behind reflective layers
GAS RES INST62 citations96
US6021093AFeb 1, 2000
Transducer configuration having a multiple viewing position feature
GAS RES INST40 citations92
US6002639ADec 14, 1999
Sensor configuration for nulling reverberations to image behind reflective layers
GAS RES INST28 citations92