Inventor
RAYSSIGUIER CHRISTOPHE M
FR16 patents
⚠️ This page may combine multiple inventors who share the name “RAYSSIGUIER CHRISTOPHE M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
13 patentsUS6523613B2Feb 25, 2003
Hydraulically actuated valve
SCHLUMBERGER TECHNOLOGY CORP62 citations94
US6505684B2Jan 14, 2003
Hydraulic actuator
SCHLUMBERGER TECHNOLOGY CORP43 citations94
US6502640B2Jan 7, 2003
Hydraulic actuator
SCHLUMBERGER TECHNOLOGY CORP44 citations94
US7182139B2Feb 27, 2007
System and method for controlling downhole tools
SCHLUMBERGER TECHNOLOGY CORP21 citations92
US6727828B1Apr 27, 2004
Pressurized system for protecting signal transfer capability at a subsurface location
SCHLUMBERGER TECHNOLOGY CORP35 citations92
US6582145B1Jun 24, 2003
Pressurized connector for high pressure applications
SCHLUMBERGER TECHNOLOGY CORP23 citations92
US5771974AJun 30, 1998
Test tree closure device for a cased subsea oil well
SCHLUMBERGER TECHNOLOGY CORP88 citations91
US6341652B1Jan 29, 2002
Backflow prevention device
SCHLUMBERGER TECHNOLOGY CORP17 citations83
US9441479B2Sep 13, 2016
Mechanical filter for acoustic telemetry repeater
SCHLUMBERGER TECHNOLOGY CORP4 citations73
US10900352B2Jan 26, 2021
Wireless acoustic communication apparatus and related methods
SCHLUMBERGER TECHNOLOGY CORP3 citations72
US10036244B2Jul 31, 2018
Acoustic transceiver with adjacent mass guided by membranes
SCHLUMBERGER TECHNOLOGY CORP3 citations72
US8474523B2Jul 2, 2013
Method and apparatus for treatment of a perforated casing
SCHLUMBERGER TECHNOLOGY CORP5 citations72
US10400519B2Sep 3, 2019
Junction box to secure and electronically connect downhole tools
SCHLUMBERGER TECHNOLOGY CORP0 citations51