(19)
(11) EP 2 986 808 A1

(12)

(43) Date of publication:
24.02.2016 Bulletin 2016/08

(21) Application number: 14785181.0

(22) Date of filing: 15.04.2014
(51) International Patent Classification (IPC): 
E21B 21/06(2006.01)
E21B 37/00(2006.01)
(86) International application number:
PCT/NO2014/050059
(87) International publication number:
WO 2014/171839 (23.10.2014 Gazette 2014/43)
(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

(30) Priority: 19.04.2013 NO 20130544

(71) Applicant: Melhus, Trond
8392 Sørvågen (NO)

(72) Inventor:
  • Melhus, Trond
    8392 Sørvågen (NO)

(74) Representative: Protector IP Consultants AS 
Oscarsgate 20
0352 Oslo
0352 Oslo (NO)

   


(54) METHOD AND SYSTEM FOR SEPARATION OF OIL AND WATER FROM DRILLING MUD