Patent ID: 11911790
Assignee: SAUDI ARABIAN OIL COMPANY
Field: Surface technology, coating (Chemistry)
Classification: CPC B  C  E | IPC B  C

Claim 7:
8. A system comprising:
a hose reel;
a hose coupled to the hose reel;
a chemical injection pump arranged to supply corrosion inhibitor through the hose; and
a tool comprising:
a central tubular defining a central flow passage and spray nozzles fluidically connecting the flow passage to an outside environment;
a first brush pig supporting a first end of the central tubular;
a second brush pig supporting a second end of the central tubular;
an inflatable balloon at the second end of the central tubular, the inflatable balloon encircled by the second brush pig; and
a flow control system at the first end of the central tubular, the flow control system configured to regulate fluid exchange with the central tubular and fluid exchange with the inflatable balloon, the flow control system configured to receive a chemical injection line.