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(11)

EP 3 132 113 A1

(12)

(43) Date of publication: 22.02.2017 Bulletin 2017/08 (21) Application number: 14889611.1 (22) Date of filing: 17.04.2014

(51) International Patent Classification (IPC):  E21B 44/00(2006.01) (86) International application number: PCT/US2014/034554 (87) International publication number: WO 2015/160355 (22.10.2015 Gazette 2015/42)

(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 Designated Extension States: BA ME (71) Applicants: Teledrill Inc. Katy, TX 77449 (US) MacDonald, Robert Houston, TX 77010 (US) Vecseri, Gabor Houston, TX 77040 (US)	(72) Inventors: MACDONALD, Robert Houston, TX 77010 (US) VECSERI, Gabor Houston, TX 77040 (US) (74) Representative: Hellmich, Wolfgang  European Patent and Trademark Attorney Lortzingstrasse 9 / 2. Stock 81241 München 81241 München (DE)