EP 1650400 B1 20080423 - Drill string stabiliser
Title (en)
Drill string stabiliser
Title (de)
Bohrstrangstabilisator
Title (fr)
Stabilisateur de train de tiges de forage
Publication
Application
Priority
EP 04105166 A 20041020
Abstract (en)
[origin: EP1650400A1] A drilling string stabiliser tool comprising a cylindrical stabiliser body and a plurality of stabiliser blade assemblies mounted on the outer surface of said cylindrical body, wherein said stabiliser assembly comprises a stabiliser blade having an upper surface and side walls, wherein the stabiliser blade has an elongated shape with a front half having a front end and a back half having a back end, and wherein the average width of the back half of the stabiliser blade is substantially smaller than the average width of the front half.
IPC 8 full level
E21B 17/10 (2006.01)
CPC (source: EP)
E21B 17/10 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL HR LT LV MK
DOCDB simple family (publication)
EP 1650400 A1 20060426; EP 1650400 B1 20080423; AT E393293 T1 20080515; DE 602004013330 D1 20080605; DE 602004013330 T2 20090716; PL 1650400 T3 20081231; WO 2006045741 A2 20060504; WO 2006045741 A3 20060706
DOCDB simple family (application)
EP 04105166 A 20041020; AT 04105166 T 20041020; DE 602004013330 T 20041020; EP 2005055402 W 20051020; PL 04105166 T 20041020