EP 2408993 A4 20140409 - CHIP DEFLECTOR ON A BLADE OF A DOWNHOLE REAMER AND METHODS THEREFOR
Title (en)
CHIP DEFLECTOR ON A BLADE OF A DOWNHOLE REAMER AND METHODS THEREFOR
Title (de)
SPANABWEISER AUF EINER KLINGE EINES BOHRLOCHRÄUMERS UND VERFAHREN DAFÜR
Title (fr)
DÉFLECTEUR DE COPEAUX SUR UNE LAME D'ALÉSEUR DE FOND ET PROCÉDÉS ASSOCIÉS
Publication
Application
Priority
- US 2010025867 W 20100302
- US 15693609 P 20090303
Abstract (en)
[origin: US2010224414A1] An expandable reamer apparatus for drilling a subterranean formation includes a tubular body, one or more blades, each blade positionally coupled to a sloped track of the tubular body having a hardfacing material on a portion thereof, a push sleeve and a drilling fluid flow path extending through an inner bore of the tubular body for conducting drilling fluid therethrough.
IPC 8 full level
E21B 10/32 (2006.01); E21B 10/56 (2006.01)
CPC (source: EP US)
E21B 10/322 (2013.01 - EP US); E21B 10/5671 (2020.05 - EP); E21B 10/5671 (2020.05 - US)
Citation (search report)
- [IY] US 2008128175 A1 20080605 - RADFORD STEVEN R [US], et al
- [IY] WO 2008070052 A2 20080612 - BAKER HUGHES INC [US], et al
- [Y] US 6651756 B1 20031125 - COSTO JR ROBERT J [US], et al
Designated contracting state (EPC)
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 SE SI SK SM TR
DOCDB simple family (publication)
US 2010224414 A1 20100909; BR PI1013360 A2 20190924; EP 2408993 A2 20120125; EP 2408993 A4 20140409; WO 2010101881 A2 20100910; WO 2010101881 A3 20110113
DOCDB simple family (application)
US 71561010 A 20100302; BR PI1013360 A 20100302; EP 10749179 A 20100302; US 2010025867 W 20100302