EP 3868998 B1 20230927 - CONNECTION OF TWO DRILL STRING ELEMENTS OF A DRILL STRING FOR EARTH DRILLING
Title (en)
CONNECTION OF TWO DRILL STRING ELEMENTS OF A DRILL STRING FOR EARTH DRILLING
Title (de)
VERBINDUNG ZWEIER BOHRSTRANGGLIEDER EINES BOHRSTRANGS ZUM ERDBOHREN
Title (fr)
RACCORDEMENT DE DEUX MEMBRES DE TIGE DE FORAGE D'UNE TIGE DE FORAGE DESTINÉ AU FORAGE DU SOL
Publication
Application
Priority
- DE 102018004951 A 20180622
- EP 19181205 A 20190619
IPC 8 full level
E21B 17/046 (2006.01)
CPC (source: EP US)
E21B 17/0465 (2020.05 - EP 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)
EP 3587729 A1 20200101; EP 3587729 B1 20210414; DE 102018004951 A1 20191224; EP 3868998 A1 20210825; EP 3868998 B1 20230927
DOCDB simple family (application)
EP 19181205 A 20190619; DE 102018004951 A 20180622; EP 21167590 A 20190619