(19)
(11) EP 2 425 084 A2

(12)

(88) Date of publication A3:
23.12.2010

(43) Date of publication:
07.03.2012 Bulletin 2012/10

(21) Application number: 10718679.3

(22) Date of filing: 30.04.2010
(51) International Patent Classification (IPC): 
E21B 7/24(2006.01)
E21B 7/04(2006.01)
 E21B 28/00(2006.01)
(86) International application number:
PCT/GB2010/050729
(87) International publication number:
WO 2010/125405 (04.11.2010 Gazette 2010/44)
(84) Designated Contracting States:
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 SE SI SK SM TR

(30) Priority: 01.05.2009 GB 0907538

(71) Applicant: Dynamic Dinosaurs B.V.
2288GK Rijswijk (NL)

(72) Inventors:
  • STEWART, Bruce
    NL-2288 GK Rijsvijk (NL)
  • WORRALL, Bob
    NL-2288 GK Rijswijk (NL)
  • STULEMEIJER, Ivo
    NL-2288 GK Rijswijk (NL)

(74) Representative: Stanners, David Ralph 
Rouse Patents 11th Floor Exchange Tower 1 Harbour Exchange Square
GB-London E14 9GE
GB-London E14 9GE (GB)

   


(54) METHOD AND APPARATUS FOR APPLYING VIBRATIONS DURING BOREHOLE OPERATIONS