(19)
(11) EP 3 268 582 A1

(12)

(43) Date of publication:
17.01.2018 Bulletin 2018/03

(21) Application number: 16713203.4

(22) Date of filing: 11.03.2016
(51) International Patent Classification (IPC): 
E21B 49/00(2006.01)
E21B 47/06(2012.01)
(86) International application number:
PCT/US2016/022062
(87) International publication number:
WO 2016/145340 (15.09.2016 Gazette 2016/37)
(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: 11.03.2015 US 201562131273 P

(71) Applicant: Saudi Arabian Oil Company
31311 Dhahran (SA)

(72) Inventors:
  • FIPKE, Steven
    Westhill Aberdeenshire AB32 6FE (GB)
  • ABDELAZIZ, Mohannad
    Dhahran 31311 (SA)
  • GILL, Harmohan
    Dhahran 31311 (SA)
  • ALNAHDI, AbdulHakim
    Dhahran 31311 (SA)

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

   


(54) METHOD FOR CONDUCTING WELL TESTING OPERATIONS WITH NITROGEN LIFTING, PRODUCTION LOGGING, AND BUILDUP TESTING ON SINGLE COILED TUBING RUN