(19)
(11) EP 3 776 335 A2

(12)

(88) Date of publication A3:
12.12.2019

(43) Date of publication:
17.02.2021 Bulletin 2021/07

(21) Application number: 19718994.7

(22) Date of filing: 05.04.2019
(51) International Patent Classification (IPC): 
G06K 9/00(2006.01)
(86) International application number:
PCT/US2019/026072
(87) International publication number:
WO 2019/195736 (10.10.2019 Gazette 2019/41)
(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: 05.04.2018 US 201862653193 P

(71) Applicant: Chevron U.S.A. Inc.
San Ramon, CA 94583 (US)

(72) Inventors:
  • CHENG, Shuxing
    San Ramon, CA 94583-0806 (US)
  • DUKE, Paul
    San Ramon, CA 94583-0806 (US)

(74) Representative: Haseltine Lake Kempner LLP 
Redcliff Quay 120 Redcliff Street
Bristol BS1 6HU
Bristol BS1 6HU (GB)

   


(54) CLASSIFICATION OF PIPING AND INSTRUMENTAL DIAGRAM INFORMATION USING MACHINE-LEARNING