EP 2703596 B1 20150218 - Drilling device and method for producing a borehole
Title (en)
Drilling device and method for producing a borehole
Title (de)
Bohrvorrichtung und Verfahren zum Erstellen einer Bohrung
Title (fr)
Dispositif de forage et procédé d'établissement d'un forage
Publication
Application
Priority
EP 12006182 A 20120831
Abstract (en)
[origin: EP2703596A1] The device (10) has a housing (12) inserted and torque-proof fixed to a support tube, and a cutting unit (56) removing a base material. A receiving container (44) is arranged above the cutting device, and threaded base material with a flushing liquid is conveyed into the receiving container. A stirring element is provided in the receiving container for mixing the threaded base material with the flushing liquid. Discharging equipment removes the threaded base material with flushing liquid in upward direction from the receiving container. Independent claims are also included for the following: (1) a drilling system (2) a method for creating a hole in a base by a drilling device.
IPC 8 full level
E21B 7/20 (2006.01); E02D 5/00 (2006.01); E02D 27/00 (2006.01); E21B 4/18 (2006.01); E21B 21/00 (2006.01)
CPC (source: CN EP US)
E02D 5/00 (2013.01 - CN EP US); E21B 4/00 (2013.01 - US); E21B 4/18 (2013.01 - CN EP US); E21B 7/201 (2013.01 - CN EP US); E21B 7/203 (2013.01 - CN EP US); E21B 21/00 (2013.01 - CN 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 2703596 A1 20140305; EP 2703596 B1 20150218; CA 2881293 A1 20140306; CA 2881293 C 20170516; CN 104619945 A 20150513; CN 104619945 B 20160914; US 2015322737 A1 20151112; WO 2014032847 A1 20140306
DOCDB simple family (application)
EP 12006182 A 20120831; CA 2881293 A 20130716; CN 201380045727 A 20130716; EP 2013064980 W 20130716; US 201314424993 A 20130716