B - Operations – Transporting – 08 – B
Patent
B - Operations, Transporting
08
B
B08B 9/02 (2006.01) B08B 9/04 (2006.01) E21B 37/04 (2006.01)
Patent
CA 2053334
The invention as disclosed provides a process for running scrapers for internal cleaning of subsea petroleum well lines, in which the scrapers are run into one line to be cleaned and are returned to their original position through the same line through which they are run, thus dispensing with the necessity of providing return lines for transportation of the scraper(s).
Capplonch Ricardo Wagner
Da Silva Jose Eduardo Mendonca
Herdeiro Marco Antonio Nogueira
Miranda Luiz Vicente Auler Passos
Gowling Lafleur Henderson Llp
Petroleo Brasileiro S.a. - Petrobras
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