(19)
(11) EP 2 753 789 A1

(12)

(43) Date of publication:
16.07.2014 Bulletin 2014/29

(21) Application number: 12830362.5

(22) Date of filing: 15.08.2012
(51) International Patent Classification (IPC): 
E21B 35/00(2006.01)
(86) International application number:
PCT/CN2012/080181
(87) International publication number:
WO 2013/034046 (14.03.2013 Gazette 2013/11)
(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: 06.09.2011 GC P201119223

(71) Applicant: Aldosari, Ashwan Murdhi B
Beijing 100045 (CN)

(72) Inventor:
  • Aldosari, Ashwan Murdhi B
    Beijing 100045 (CN)

(74) Representative: König, Beate 
Herrnstrasse 44
80539 München
80539 München (DE)

   


(54) SELF EXTINGUISHING ROOM FOR EXTINGUISHING OIL AND GAS WELLS