(19)
(11) EP 3 440 304 A1

(12)

(43) Date of publication:
13.02.2019 Bulletin 2019/07

(21) Application number: 17722896.2

(22) Date of filing: 07.04.2017
(51) International Patent Classification (IPC): 
E21B 25/16(2006.01)
 E21B 17/06(2006.01)
(86) International application number:
PCT/NO2017/050087
(87) International publication number:
WO 2017/176127 (12.10.2017 Gazette 2017/41)
(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 MD

(30) Priority: 08.04.2016 NO 20160580
30.09.2016 NO 20161581

(71) Applicant: HUYGENS AS
7015 Trondheim (NO)

(72) Inventor:
  • BORG, Eirik
    7015 Trondheim (NO)

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

   


(54) A CORE DRILLING SYSTEM AND METHOD FOR OBTAINING AN ORIENTATED ROCK CORE SAMPLE USING SAID CORE DRILLING SYSTEM