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EP 2 567 066 A2

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(43) Date of publication: 13.03.2013 Bulletin 2013/11 (21) Application number: 10858212.3 (22) Date of filing: 16.08.2010

(51) International Patent Classification (IPC):  E21B 43/22(2006.01) E21B 43/25(2006.01) (86) International application number: PCT/US2010/045629 (87) International publication number: WO 2012/047187 (12.04.2012 Gazette 2012/15)

(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 SE SI SK SM TR (30) Priority: 27.08.2009 US 237476 P 17.02.2010 WO PCT/US2010/024499 17.02.2010 US 707656 17.02.2010 WO PCT/US2010/024498 17.02.2010 US 707653 17.02.2010 WO PCT/US2010/024497 17.02.2010 US 707651 13.02.2010 US 304403 P (71) Applicant: McAlister Technologies, LLC Phoenix, AZ 85029 (US)

(72) Inventor: MCALISTER, Roy, E. Phoenix AZ 85029 (US) (74) Representative: Beattie, Alex Thomas Stewart  Forresters Skygarden Erika-Mann-Strasse 11 80636 München 80636 München (DE)