EP 3828378 C0 20230705 - DEVICE AND METHOD FOR PROTECTING DEEP BOREHOLES AGAINST PRESSURE
Title (en)
DEVICE AND METHOD FOR PROTECTING DEEP BOREHOLES AGAINST PRESSURE
Title (de)
VORRICHTUNG UND VERFAHREN ZUM DRUCKABSICHERN VON TIEFENBOHRUNGEN
Title (fr)
DISPOSITIF ET PROCÉDÉ DE PROTECTION CONTRE LA PRESSION DES FORAGES DE GRANDE PROFONDEUR
Publication
Application
Priority
DE 102019006214 A 20190903
IPC 8 full level
E21B 33/00 (2006.01); E21B 33/10 (2006.01); E21B 36/00 (2006.01); E21B 41/00 (2006.01); E21B 43/10 (2006.01)
CPC (source: EP)
E21B 17/10 (2013.01); E21B 41/00 (2013.01); E21B 43/10 (2013.01)
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
Participating member state (EPC – UP)
AT BE BG DE DK EE FI FR IT LT LU LV MT NL PT SE SI
DOCDB simple family (publication)
DE 102019006214 A1 20210304; EP 3828378 A1 20210602; EP 3828378 B1 20230705; EP 3828378 C0 20230705
DOCDB simple family (application)
DE 102019006214 A 20190903; EP 20190430 A 20200811