(19)
(11) EP 3 803 023 A1

(12)

(43) Date of publication:
14.04.2021 Bulletin 2021/15

(21) Application number: 19734132.4

(22) Date of filing: 24.05.2019
(51) International Patent Classification (IPC): 
E21B 4/18(2006.01)
E21B 23/04(2006.01)
E21B 31/20(2006.01)
E21B 33/1295(2006.01)
E21B 23/01(2006.01)
E21B 29/00(2006.01)
E21B 33/129(2006.01)
(86) International application number:
PCT/GB2019/051430
(87) International publication number:
WO 2019/224551 (28.11.2019 Gazette 2019/48)
(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:
KH MA MD TN

(30) Priority: 25.05.2018 GB 201808612

(71) Applicant: Ardyne Holdings Limited
Aberdeen Aberdeenshire AB10 6DL (GB)

(72) Inventor:
  • TELFER, George
    Aberdeenshire AB10 6DL (GB)

(74) Representative: Campbell, Arlene 
IPentus Limited The Old Manse Wilsontown, By Forth
Lanark, ML11 8EP
Lanark, ML11 8EP (GB)

   


(54) IMPROVEMENTS IN OR RELATING TO WELL ABANDONMENT