Global Patent Index - EP 2773836 A2

EP 2773836 A2 20140910 - ECCENTRIC SLEEVE FOR DIRECTIONAL DRILLING SYSTEMS

Title (en)

ECCENTRIC SLEEVE FOR DIRECTIONAL DRILLING SYSTEMS

Title (de)

EXZENTRISCHER MANTEL FÜR RICHTBOHRSYSTEME

Title (fr)

MANCHON EXCENTRÉ POUR SYSTÈMES DE FORAGE DIRECTIONNELS

Publication

EP 2773836 A2 20140910 (EN)

Application

EP 12787979 A 20121025

Priority

  • US 201113289729 A 20111104
  • US 2012061774 W 20121025

Abstract (en)

[origin: WO2013066695A2] A drill bit includes a bit body configured to rotate about a bit rotational axis and a sleeve coupled to the bit body. The sleeve is coupled to the bit body on an uphole portion of the bit body. The sleeve has a smaller diameter than the bit body and is aligned at the edge of the circumference of the bit body.

IPC 8 full level

E21B 7/06 (2006.01)

CPC (source: EP)

E21B 7/064 (2013.01)

Citation (search report)

See references of WO 2013066695A2

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

WO 2013066695 A2 20130510; WO 2013066695 A3 20140123; AU 2012332942 A1 20140529; BR 112014010510 A2 20170425; CA 2856170 A1 20130510; EP 2773836 A2 20140910; MX 2014005354 A 20140528; US 2013112484 A1 20130509

DOCDB simple family (application)

US 2012061774 W 20121025; AU 2012332942 A 20121025; BR 112014010510 A 20121025; CA 2856170 A 20121025; EP 12787979 A 20121025; MX 2014005354 A 20121025; US 201113289729 A 20111104