Title (en)

DRILL STRING COMPONENT, WEAR PROTECTION COMPONENT AND CUTTER HEAD FOR USE IN A ROCK DRILLING PROCESS

Title (de)

BOHRSTRANGKOMPONENTE, VERSCHLEISSSCHUTZKOMPONENTE UND SCHNEIDKOPF ZUR VERWENDUNG IN EINEM GESTEINSBOHRVERFAHREN

Title (fr)

COMPOSANT DE TRAIN DE TIGES, COMPOSANT DE PROTECTION CONTRE L'USURE ET TETE DE FORAGE DESTINES A ETRE UTILISES DANS UN PROCESSUS DE FORAGE DE ROCHES

Publication

EP 1716312 A1 20061102 (EN)

Application

EP 05711018 A 20050131

Priority

• SE 2005000111 W 20050131
• SE 0400402 A 20040220

Abstract (en)

[origin: WO2005080743A1] The present invention relates to a drill string component for use in a rock drilling process, wherein the drilling is performed by a drill tool connected to a drill string including plural drill string components. The drill string component comprises an outer casing and a channel for evacuating drill cuttings from a rock cutting surface. The channel is constituted by a first tubular member and at least one portion of the first tubular member, which in operation is subjected to wear from drill cuttings is, or is provided with, a replaceable wear protection component. The invention also relates to a wear protection component and a cutter head.

IPC 8 full level

E21B 17/10 (2006.01); E21B 17/18 (2006.01); E21B 21/12 (2006.01)

IPC 8 main group level

E21B (2006.01)

CPC (source: EP)

E21B 17/1042 (2013.01); E21B 17/18 (2013.01); E21B 21/12 (2013.01)

Citation (search report)

See references of WO 2005080743A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2005080743 A1 20050901; AU 2005215570 A1 20050901; CA 2553606 A1 20050901; EP 1716312 A1 20061102; SE 0400402 D0 20040220; SE 0400402 L 20050821; SE 528766 C2 20070213; ZA 200606228 B 20080326

DOCDB simple family (application)

SE 2005000111 W 20050131; AU 2005215570 A 20050131; CA 2553606 A 20050131; EP 05711018 A 20050131; SE 0400402 A 20040220; ZA 200606228 A 20050131