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(11)

EP 3 551 837 A1

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(43) Date of publication: 16.10.2019 Bulletin 2019/42 (21) Application number: 17877949.2 (22) Date of filing: 23.10.2017

(51) International Patent Classification (IPC):  E21B 33/035(2006.01) E21B 43/01(2006.01) E21B 29/12(2006.01) E21B 33/064(2006.01) E21B 7/12(2006.01) E21B 33/06(2006.01) (86) International application number: PCT/US2017/057826 (87) International publication number: WO 2018/106347 (14.06.2018 Gazette 2018/24)

(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 Designated Validation States: MA MD (30) Priority: 08.12.2016 US 201662431455 P (71) Applicant: Kinetic Pressure Control, Ltd. Houston, TX 77041 (US)	(72) Inventors: GALLAGHER, Bobby, James Houston, TX 77018 (US) ANGSTMANN, Steven, Anthony Houston, TX 77025 (US) GALLAGHER, Billy, Jack Greenslopes 4120 (AU) (74) Representative: Harrison IP Limited  3 Ebor House Millfield Lane Nether Poppleton, York YO26 6QY Nether Poppleton, York YO26 6QY (GB)