Inventor
LERCHE NOLAN C
US30 patents
⚠️ This page may combine multiple inventors who share the name “LERCHE NOLAN C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
18 patentsUS6386108B1May 14, 2002
Initiation of explosive devices
SCHLUMBERGER TECHNOLOGY CORP127 citations99
US5971072AOct 26, 1999
Inductive coupler activated completion system
SCHLUMBERGER TECHNOLOGY CORP237 citations99
US6752083B1Jun 22, 2004
Detonators for use with explosive devices
SCHLUMBERGER TECHNOLOGY CORP181 citations98
US6385031B1May 7, 2002
Switches for use in tools
SCHLUMBERGER TECHNOLOGY CORP109 citations98
US7383882B2Jun 10, 2008
Interactive and/or secure activation of a tool
SCHLUMBERGER TECHNOLOGY CORP91 citations97
US5347929ASep 20, 1994
Firing system for a perforating gun including an exploding foil initiator and an outer housing for conducting wireline current and EFI current
SCHLUMBERGER TECHNOLOGY CORP158 citations97
US5088413AFeb 18, 1992
Method and apparatus for safe transport handling arming and firing of perforating guns using a bubble activated detonator
SCHLUMBERGER TECHNOLOGY CORP167 citations97
US7347278B2Mar 25, 2008
Secure activation of a downhole device
SCHLUMBERGER TECHNOLOGY CORP128 citations96
US6283227B1Sep 4, 2001
Downhole activation system that assigns and retrieves identifiers
SCHLUMBERGER TECHNOLOGY CORP94 citations96
US6938689B2Sep 6, 2005
Communicating with a tool
SCHLUMBERGER TECHNOLOGY CORP126 citations95
US6604584B2Aug 12, 2003
Downhole activation system
SCHLUMBERGER TECHNOLOGY CORP65 citations95
US7116542B2Oct 3, 2006
Micro-switches for downhole use
SCHLUMBERGER TECHNOLOGY CORP46 citations94
US7007756B2Mar 7, 2006
Providing electrical isolation for a downhole device
SCHLUMBERGER TECHNOLOGY CORP62 citations94
US6148263ANov 14, 2000
Activation of well tools
SCHLUMBERGER TECHNOLOGY CORP55 citations94
US7520323B2Apr 21, 2009
Interactive and/or secure activation of a tool
SCHLUMBERGER TECHNOLOGY CORP17 citations92
US7336474B2Feb 26, 2008
Microelectromechanical devices
SCHLUMBERGER TECHNOLOGY CORP43 citations92
US7505244B2Mar 17, 2009
Micro-switches for downhole use
SCHLUMBERGER TECHNOLOGY CORP16 citations90
US7549373B2Jun 23, 2009
Integrated activating device for explosives
SCHLUMBERGER TECHNOLOGY CORP10 citations84
LERCHE NOLAN C
4 patentsUS8576090B2Nov 5, 2013
Apparatus and methods for controlling and communicating with downwhole devices
LERCHE NOLAN C70 citations97
US9464508B2Oct 11, 2016
Interactive and/or secure activation of a tool
LERCHE NOLAN C42 citations96
US8689868B2Apr 8, 2014
Tractor communication/control and select fire perforating switch simulations
LERCHE NOLAN C72 citations93
US4842093AJun 27, 1989
Vehicular theft prevention system and method
LERCHE NOLAN C17 citations68
BROOKS JAMES E
3 patentsUS8230788B2Jul 31, 2012
Method of fabrication and use of integrated detonators
BROOKS JAMES E52 citations97
US8091477B2Jan 10, 2012
Integrated detonators for use with explosive devices
BROOKS JAMES E94 citations97
US8931389B2Jan 13, 2015
High voltage explosive assembly for downhole detonations
BROOKS JAMES E18 citations92
HUNTING TITAN INC
3 patentsUS9851191B2Dec 26, 2017
High voltage explosive assembly for downhole detonations
HUNTING TITAN INC17 citations93
US10557693B2Feb 11, 2020
High voltage explosive assembly for downhole detonations
HUNTING TITAN INC7 citations84
US9394767B2Jul 19, 2016
Transient control of wellbore pressure
HUNTING TITAN INC18 citations84