Assignee
WEATHERFORD NETHERLANDS B V
NL9 patents
Top patents by PatentIndex Score
US10648272B2May 12, 2020
Casing floatation system with latch-in-plugs
WEATHERFORD NETHERLANDS B V13 citations82
US10378304B2Aug 13, 2019
Sub-surface release plug system
WEATHERFORD NETHERLANDS B V6 citations82
US10301907B2May 28, 2019
Setting tool with pressure shock absorber
WEATHERFORD NETHERLANDS B V7 citations82
US11047202B2Jun 29, 2021
Top plug with transitionable seal
WEATHERFORD NETHERLANDS B V5 citations80
US10954740B2Mar 23, 2021
Top plug with transitionable seal
WEATHERFORD NETHERLANDS B V7 citations80
US10246968B2Apr 2, 2019
Surge immune stage system for wellbore tubular cementation
WEATHERFORD NETHERLANDS B V8 citations76
US10487618B2Nov 26, 2019
System and method for sealing a wellbore
WEATHERFORD NETHERLANDS B V4 citations71
US11396786B1Jul 26, 2022
Wiper plug
WEATHERFORD NETHERLANDS B V1 citations61
US11286742B2Mar 29, 2022
Sub-surface release plug system
WEATHERFORD NETHERLANDS B V0 citations61