(19)

(11)

EP 2 702 225 A1

(12)

(43) Date of publication: 05.03.2014 Bulletin 2014/10 (21) Application number: 12776101.3 (22) Date of filing: 18.04.2012

(51) International Patent Classification (IPC):  E21B 19/14(2006.01) (86) International application number: PCT/NO2012/050068 (87) International publication number: WO 2012/148284 (01.11.2012 Gazette 2012/44)

(84) Designated Contracting States: 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 (30) Priority: 29.04.2011 NO 20110635 29.04.2011 US 201161480853 P (71) Applicant: Robotic Drilling Systems AS 4313 Sandnes (NO)	(72) Inventor: SØNDERVIK, Kenneth N-4056 Tananger (NO) (74) Representative: Håmsø Patentbyrå ANS  Postboks 171 4302 Sandnes 4302 Sandnes (NO)