A cover assembly for a container including a frame having a rail, a cover coupled to the frame, a first opening mechanism including a first pivot and a first slide housing, and a second opening mechanism including a second pivot and a second slide housing, the rail of the frame being selectively and slidingly receivable in the first and second slide housings. The cover and frame are movable between three positions, a closed position, a first open position wherein the rail is partially disposed in the first slide housing and is disengaged from the second slide housing, and the frame, cover and first slide housing are rotated about the first pivot, and a second open position wherein the rail is partially disposed in the second slide housing and is disengaged from the first slide housing, and the frame, cover and second slide housing are rotated about the second pivot.

A system for covering fluid containment tanks to contain vapors and minimize evaporation of the vapors into the surrounding atmosphere. The system includes a flexible cover and restraint elements, guiding rails which support the cover over a tank and provide guidance for extending and retracting the flexible cover, a belt drive extends the leading end of the flexible cover and a drivable drum provides a way to retract the flexible cover and upon which the flexible cover will be rolled and stored, and a method to locate tank elements beneath the flexible cover system to prevent operating interferences.

A container employs a reusable frame that folds into a compact profile that can be stacked for efficient handling between uses, thus greatly reducing waste that would otherwise end up in landfills. The container has external dimensions emulating those of existing single-use containers, including those designed to accommodate pliable plastic pouch liners for transport and dispensing of material. The container includes a front side having a 17.5 radius cutout to accept a 35 mm fitment of a standard pliable plastic pouch liner, and includes a sliding door which captures and holds the liner fast in place. The container includes a top side having a hinged, latching door with one or more hinges to allow insertion and removal of a pliable plastic pouch. A latching, sliding door allowing access to a dispensing nipple of a contained pliable plastic pouch when inserted into the container.

The present invention is a fracking sand container having a main container having an internal cavity, said container is formed up of two sections, an upper section and two truncated pyramidal sections, a rectangular tubular frame profiles and internal reinforcements of L-profiles of equal legs supporting said container, including plus 4 channel profiles for lifting, and a structure formed by L-angles, wherein a hopper is also supported to ensure greater rigidity, two discharge openings on an underside of each of said two truncated pyramidal sections, gates positioned in said cavity, and a handwheel operatively associated with said gates, said handwheel constructed and arranged to impart improved mechanical advantage and move said gates horizontally.

A logistics apparatus for transporting frac sand, frac liquid, and/or drill cuttings between a terminal and a well pad. The apparatus includes a container having a top and bottom. The top having one or more inlet port for receiving frac sand and a liquid outlet. The inlet orts can be secured by watertight covers. The bottom of the container is configured as a hopper having an opening secured by a railcar gate. The apparatus, in position having the railcar gate at bottom, can be used to store and transport frac sand. The apparatus can be inverted for transporting the frac liquid.

A manway gate assembly couples to a tank and provides a liquid tight seal. The manway gate assembly includes a gate selectively slideable in a first linear direction between an open position, a closed position, and/or an intermediate position between the open position and the closed position. The manway gate assembly includes one or more locking members arranged adjacent to the gate and moveable between a locked position and an un-locked position. When in the locked position, the one or more locking members apply a biasing force to the gate in a second linear direction perpendicular to the first linear direction to seal the gate to the tank and provide a liquid tight seal.

A bulk material shipping container unloader having an expandable supporter, a pallet receiver supported by the extendable supporter, a material director supported by the pallet receiver, and a bulk material container gate mover supported by the pallet receiver.

A system for transporting a proppant for fracking may include a transport vehicle, a proppant container, a container clutch part, and a floating clutch part. The transport vehicle may include a carriage having forks for engaging fork pockets of the proppant container. The proppant container may house proppant releasable using a release gate and actuator. The container clutch part may be connected to the proppant container and configured to transfer rotational movement to the actuator. The floating clutch part may be connected to the carriage of the transport vehicle and configured to engage and selectively rotate the container clutch part when the forks engage the fork pockets. The forks and fork pockets vary in size which leads to a potential for misalignment between the container and floating clutch parts. The floating clutch part is vertically and laterally positionable to compensate for misalignments between the container and floating clutch parts.

A system for covering fluid containment tanks to contain vapors and minimize evaporation of the vapors into the surrounding atmosphere. The system includes a flexible cover and restraint elements, guiding rails which support the cover over a tank and provide guidance for extending and retracting the flexible cover, a belt drive extends the leading end of the flexible cover and a drivable drum provides a way to retract the flexible cover and upon which the flexible cover will be rolled and stored, and a method to locate tank elements beneath the flexible cover system to prevent operating interferences.

Method of handling proppant at a well site using a plurality of modular proppant containers in which first and second modular proppant container in a filled state are removed from delivery transport vehicles and transferred to first and second cradle positions on a support structure using one or more heavy-duty handlers. Proppant is discharged by gravity feed from the outlet of the first and second modular proppant containers and directed to a hopper until the modular proppant containers are in an empty state.