Patent ID: 9297246
Filing Date: 2016-03-29
CPC Classification: B01D,E21B

Claim Text:
1. Well equipment, comprising: a return pipeline connecting a well head to a gas separator above a sand separator box; a transfer pipeline connecting the sand separator box to one or more frac tanks; a pump pipeline connecting one or more of the frac tanks to a reverse pump; and a reverse pipeline connecting the reverse pump to the well head; with the sand separator box including a roll-off container tank and a filter fixed in place in the tank and dividing the tank into an upper compartment and a lower compartment, with the filter allowing water to pass from the upper compartment into the lower compartment, while keeping sand in the upper compartment; and a manifold in the return pipeline, a first manifold return pipeline connecting the manifold to the sand separator box, and a second manifold return pipeline connecting the manifold to a second sand separator box.