(19)
(11) EP 3 122 989 A2

(12)

(88) Date of publication A3:
17.12.2015

(43) Date of publication:
01.02.2017 Bulletin 2017/05

(21) Application number: 15720757.2

(22) Date of filing: 24.03.2015
(51) International Patent Classification (IPC): 
E21B 34/10(2006.01)
(86) International application number:
PCT/GB2015/050880
(87) International publication number:
WO 2015/145140 (01.10.2015 Gazette 2015/39)
(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

(30) Priority: 25.03.2014 GB 201405363

(71) Applicant: Xtreme Well Technology Limited
Banchory Aberdeenshire AB31 4DT (GB)

(72) Inventor:
  • MOYES, Peter
    Kintore Aberdeenshire AB51 0XA (GB)

(74) Representative: Lincoln, Matthew et al
Lincoln IP 9 Victoria Street
Aberdeen AB10 1XB
Aberdeen AB10 1XB (GB)

   


(54) VALVE