Inventor
ROBBINS CARL A
US17 patents
⚠️ This page may combine multiple inventors who share the name “ROBBINS CARL A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HALLIBURTON ENERGY SERV INC
6 patentsUS6131694AOct 17, 2000
Vertical seismic profiling in a drilling tool
HALLIBURTON ENERGY SERV INC116 citations95
US7212075B2May 1, 2007
Downhole clock having temperature compensation
HALLIBURTON ENERGY SERV INC39 citations92
US5780784AJul 14, 1998
Cancellation of tool mode signal from combined signal
HALLIBURTON ENERGY SERV INC50 citations92
US6478107B1Nov 12, 2002
Axially extended downhole seismic source
HALLIBURTON ENERGY SERV INC29 citations91
US6374913B1Apr 23, 2002
Sensor array suitable for long term placement inside wellbore casing
HALLIBURTON ENERGY SERV INC113 citations91
US7339852B2Mar 4, 2008
Seismic acquisition system
HALLIBURTON ENERGY SERV INC13 citations80
HALLIBURTON CO
4 patentsUS4450354AMay 22, 1984
Gain stabilized natural gamma ray detection of casing thickness in a borehole
HALLIBURTON CO62 citations96
US4300043ANov 10, 1981
Stabilized radioactive logging method and apparatus
HALLIBURTON CO47 citations92
US4481597ANov 6, 1984
Borehole spectral analog to digital converter
HALLIBURTON CO21 citations82
US4459479AJul 10, 1984
Determination of casing thickness using a natural gamma ray spectroscopy technique
HALLIBURTON CO20 citations82