(19)
(11) EP 3 390 759 A1

(12)

(43) Date of publication:
24.10.2018 Bulletin 2018/43

(21) Application number: 16820523.5

(22) Date of filing: 15.12.2016
(51) International Patent Classification (IPC): 
E21B 7/24(2006.01)
E21B 4/12(2006.01)
 E21B 4/06(2006.01)
E21B 28/00(2006.01)
(86) International application number:
PCT/US2016/066899
(87) International publication number:
WO 2017/106479 (22.06.2017 Gazette 2017/25)
(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: 17.12.2015 US 201562268752 P

(71) Applicants:
  • Aramco Overseas Company BV
    2517 KX The Hague (NL)
  • Geoprober Ltd
    Aberdeen AB12 3LW (GB)

(72) Inventors:
  • FRASER, Scott
    2517 KX The Hague (NL)
  • BAMFORD, Ben
    Aberdeen AB12 3LW (GB)

(74) Representative: Dauncey, Mark Peter 
Marks & Clerk LLP 1 New York Street
Manchester M1 4HD
Manchester M1 4HD (GB)

   


(54) FORCE STACKING ASSEMBLY FOR USE WITH A SUBTERRANEAN EXCAVATING SYSTEM