Patent ID: 11969769
Assignee: OIL STATES ENERGY SERVICES, L.L.C.
Field: Chemical engineering (Chemistry)
Classification: CPC B  E | IPC B  E

Claim 0:
1. A tank comprising:
an interior surface comprising a front end, a back end, one or more walls, an upper surface and a lower surface;
an interior volume comprising:
a sump section proximate the back end of the interior surface; and
a collection receptacle comprising:
a first end proximate the front end of the interior surface and configured to receive from an external source a mixture of liquid and suspended solid debris; and
a second end proximate the sump section

a trough extending longitudinally along said lower surface within said collection receptacle of the tank, said trough comprising one or more trough sides that angle inward and downward from said tank wall towards the lower surface;
means for conveying collected solid debris longitudinally along said trough from the front end to the sump section;
fluid outlets positioned to direct washing fluid downward towards said means for conveying solid debris; and
means for removing the washing fluid from the tank.