Patent ID: 11865501
Assignee: PETROBRÁS TRANSPORTES S/A.—TRANSPETRO
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 15:
16. A method of moving fluid in a tank, using at least two pumping sets external to the tank, the method comprising:
with each pumping set having a respective pump configured to circulate fluid externally around the tank through a respective external pumping line and the respective external pumping line disposed along an exterior of the tank such that the respective external pumping line is in fluidic communication with an interior of the tank at two separate points of the tank via two ends of the respective external pumping line, collecting fluid from the tank through the external pumping line and discharging the fluid back into the tank through the other end of the respective external pumping line using the respective pump; and
for at least one pumping set, reversing a direction of flow through the external pumping line using the respective pump.