(19)

(11)

EP 3 042 032 A1

(12)

(43) Date of publication: 13.07.2016 Bulletin 2016/28 (21) Application number: 14842166.2 (22) Date of filing: 04.09.2014

(51) International Patent Classification (IPC):  E21B 33/06(2006.01) E21B 33/064(2006.01) (86) International application number: PCT/US2014/054007 (87) International publication number: WO 2015/034994 (12.03.2015 Gazette 2015/10)

(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 (30) Priority: 04.09.2013 US 201314017891 (71) Applicant: Trendsetter Engineering, Inc. Houston, TX 77070 (US)	(72) Inventor: COX, Brent Houston, TX 77070 (US) (74) Representative: Parry, Simon James  Mewburn Ellis LLP City Tower 40 Basinghall Street London EC2V 5DE London EC2V 5DE (GB)