Inventor
RAVENSBERGEN JOHN EDWARD
CA21 patents
⚠️ This page may combine multiple inventors who share the name “RAVENSBERGEN JOHN EDWARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NCS MULTISTAGE INC
10 patentsUS10151162B2Dec 11, 2018
Hydraulic locator
NCS MULTISTAGE INC8 citations83
US9970262B2May 15, 2018
Downhole valve apparatus
NCS MULTISTAGE INC7 citations81
US10161207B2Dec 25, 2018
Apparatus, system and method for treating a reservoir using re-closeable sleeves and novel use of a shifting tool
NCS MULTISTAGE INC3 citations72
US10180046B2Jan 15, 2019
Downhole flow control apparatus with screen
NCS MULTISTAGE INC6 citations68
US11549344B2Jan 10, 2023
Apparatuses, systems and methods for producing hydrocarbon material from a subterranean formation using a displacement process
NCS MULTISTAGE INC0 citations62
US10927651B2Feb 23, 2021
Apparatuses, systems and methods for producing hydrocarbon material from a subterranean formation using a displacement process
NCS MULTISTAGE INC0 citations62
US10781664B2Sep 22, 2020
Plug-actuated flow control member
NCS MULTISTAGE INC0 citations51
US10612353B2Apr 7, 2020
Downhole flow control apparatus
NCS MULTISTAGE INC0 citations51
US10161220B2Dec 25, 2018
Plug-actuated flow control member
NCS MULTISTAGE INC0 citations51
US10428613B2Oct 1, 2019
Wellbore characteristic measurement assembly
NCS MULTISTAGE INC0 citations48
BJ SERVICES CO
5 patentsUS7249633B2Jul 31, 2007
Release tool for coiled tubing
BJ SERVICES CO80 citations95
US6832654B2Dec 21, 2004
Bottom hole assembly
BJ SERVICES CO96 citations95
US7410003B2Aug 12, 2008
Dual purpose blow out preventer
BJ SERVICES CO45 citations91
US7086486B2Aug 8, 2006
Flow control valve and method of controlling rotation in a downhole tool
BJ SERVICES CO34 citations88
US7347259B2Mar 25, 2008
Downhole oilfield erosion protection by using diamond
BJ SERVICES CO14 citations80
RAVENSBERGEN JOHN EDWARD
4 patentsUS8695716B2Apr 15, 2014
Multi-zone fracturing completion
RAVENSBERGEN JOHN EDWARD24 citations91
US8944167B2Feb 3, 2015
Multi-zone fracturing completion
RAVENSBERGEN JOHN EDWARD10 citations80
US8613321B2Dec 24, 2013
Bottom hole assembly with ported completion and methods of fracturing therewith
RAVENSBERGEN JOHN EDWARD10 citations75
US8955603B2Feb 17, 2015
System and method for positioning a bottom hole assembly in a horizontal well
RAVENSBERGEN JOHN EDWARD3 citations61