(19)
(11) EP 2 715 031 A1

(12)

(43) Date of publication:
09.04.2014 Bulletin 2014/15

(21) Application number: 12789232.1

(22) Date of filing: 23.05.2012
(51) International Patent Classification (IPC): 
E21B 7/00(2006.01)
E21B 10/00(2006.01)
(86) International application number:
PCT/US2012/039172
(87) International publication number:
WO 2012/162408 (29.11.2012 Gazette 2012/48)
(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: 23.05.2011 US 201161519487 P
08.09.2011 US 201161573631 P
12.11.2011 US 201161629000 P
18.02.2012 US 201261633776 P
24.04.2012 US 201261687394 P
18.05.2012 US 201261688726 P
22.05.2012 US 201213506887

(71) Applicant: Smart Drilling and Completion, Inc.
Bothell, WA 98012 (US)

(72) Inventor:
  • VAIL, William Banning, III
    Bothell, WA 98012 (US)

(74) Representative: Evens, Paul Jonathan 
Maguire Boss 24 East Street
St. Ives Cambridgeshire PE27 5PD
St. Ives Cambridgeshire PE27 5PD (GB)

   


(54) MUD MOTOR ASSEMBLY