EP 3143237 B1 20230705 - JOINT AND JOINT PARTS FOR DRILL STRING COMPONENTS
Title (en)
JOINT AND JOINT PARTS FOR DRILL STRING COMPONENTS
Title (de)
GELENK UND GELENKTEILE FÜR BOHRSTRANGKOMPONENTEN
Title (fr)
JOINT ET PARTIES DE JOINTS POUR DES ÉLÉMENTS CONSTITUTIFS DE TRAIN DE TIGES
Publication
Application
Priority
- SE 1450576 A 20140516
- SE 2015050550 W 20150518
Abstract (en)
[origin: WO2015174920A2] A joint for joining together drill string components (6, 7) of a drill string for percussion drilling, the joint including a male part (8) and a female part (9) f wherein a first impact surface (10) is arranged to co-operate with a second impact surface (11). When the drill string is in operation, relative axial movement is allowed, between the male (8) and the female (9) parts when the first and the second impact surfaces (10,11) are adjacent to each other. The invention also concerns a male joint part, a female joint part, a drill rod, a shank adapter, a drill head, a drill bit and a drill string component.
IPC 8 full level
E21B 17/042 (2006.01); E21B 17/043 (2006.01); E21B 17/046 (2006.01); E21B 17/07 (2006.01)
CPC (source: EP RU US)
E21B 17/0426 (2013.01 - EP RU US); E21B 17/043 (2013.01 - EP RU US); E21B 17/046 (2013.01 - EP RU US); E21B 17/07 (2013.01 - EP US); E21B 19/16 (2013.01 - RU US); E21B 1/00 (2013.01 - EP RU US)
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 2015174920 A2 20151119; WO 2015174920 A3 20160310; AU 2015259870 A1 20161201; AU 2015259870 B2 20190502; CA 2947836 A1 20151119; EP 3143237 A2 20170322; EP 3143237 B1 20230705; EP 3143237 C0 20230705; RU 2016149147 A 20180619; RU 2016149147 A3 20181107; RU 2687837 C2 20190516; US 2017089149 A1 20170330; ZA 201607211 B 20190130
DOCDB simple family (application)
SE 2015050550 W 20150518; AU 2015259870 A 20150518; CA 2947836 A 20150518; EP 15728942 A 20150518; RU 2016149147 A 20150518; US 201515311754 A 20150518; ZA 201607211 A 20161019