US 12,312,931 B1
Trailer-integrated self-contained frac-sand system and method with safety features
Jeffrey D. Flood, Mayer, MN (US); and Joseph G. Kreuser, Prior Lake, MN (US)
Assigned to Site Prop Systems, Inc., Colorado City, TX (US)
Filed by Site Prop Systems, Inc., Colorado City, TX (US)
Filed on Feb. 11, 2025, as Appl. No. 19/051,090.
Claims priority of provisional application 63/738,740, filed on Dec. 24, 2024.
Int. Cl. E21B 43/26 (2006.01); B65G 41/00 (2006.01)
CPC E21B 43/2607 (2020.05) [B65G 41/002 (2013.01); B65G 41/008 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A trailer-integrated sand-conveyor system operable to be set up into an erected operable configuration and to be reconfigured into a highway-travel configuration, the system comprising:
a single trailer suitable for highway travel, wherein on the trailer are mounted and pre-assembled:
an input hopper configured for receiving side-loaded sand;
a first conveyor;
a second conveyor;
a sand-liquid blender for mixing a liquid that includes water with the sand to form a frac-sand slurry, wherein the first conveyor extends from the input hopper to transfer sand onto the second conveyor, wherein the second conveyor is configured to transport the sand to the fluid-sand blender;
a vibratory sifter located below the sand-liquid blender for removing debris from the frac-sand slurry to form sifted frac-sand slurry;
a discharge funnel that is positioned or positionable to a location below the vibratory sifter to receive sifted frac-sand slurry from the vibratory sifter, wherein the discharge funnel directs discharge of the sifted frac-sand slurry;
an electrical-generator set that generates electrical power for the system; and
elevation actuators and height-maintenance locks for erection rigging the system.