(19)
(11) EP 3 759 307 A1

(12)

(43) Date of publication:
06.01.2021 Bulletin 2021/01

(21) Application number: 19760746.8

(22) Date of filing: 27.02.2019
(51) International Patent Classification (IPC): 
E21B 28/00(2006.01)
E21B 34/10(2006.01)
E21B 21/10(2006.01)
(86) International application number:
PCT/US2019/019723
(87) International publication number:
WO 2019/168896 (06.09.2019 Gazette 2019/36)
(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: 28.02.2018 US 201815908028

(71) Applicant: Teledrill Inc.
Katy, TX 77449 (US)

(72) Inventors:
  • CREIGHTON, Ford
    Houston, Texas 77009 (US)
  • VECSERI, Gabor
    Houston, Texas 77040 (US)
  • MACDONALD, Robert
    Houston, Texas 77010 (US)

(74) Representative: Hellmich, Wolfgang 
European Patent and Trademark Attorney Lortzingstrasse 9 / 2. Stock
81241 München
81241 München (DE)

   


(54) DRILL STRING APPLICATIONS TOOL