Title:
DEFECT REPAIR USING ADDITIVE MANUFACTURING
Document Type and Number:
WIPO Patent Application WO/2020/154113
Kind Code:
A8
Abstract:
A method for repairing defects on a structure is disclosed herein. The method comprises use of an additive manufacturing head to inject a flowable filler material into the defect. In certain embodiments, the additive manufacturing head can be a laser metal deposition (LMD) head comprising a powder nozzle and a laser. The structure can be, e.g., a pipeline or a pressure vessel used in petroleum, petrochemical, or natural gas applications.
Inventors:
MA NING (US)
FURMANSKI JEVAN (US)
THIRUMALAI NEERAJ (US)
GRENDA JEFFREY (US)
FURMANSKI JEVAN (US)
THIRUMALAI NEERAJ (US)
GRENDA JEFFREY (US)
Application Number:
PCT/US2020/013108
Publication Date:
February 18, 2021
Filing Date:
January 10, 2020
Export Citation:
Assignee:
EXXONMOBIL RES & ENG CO (US)
International Classes:
B23K26/08; B23K26/144; B23K26/34; B23P6/04
Attorney, Agent or Firm:
OKAFOR, Kristina et al. (US)
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