6 Multi-phase flow sand separation apparatus and system composed of a metal storage tank featuring a pressure vessel, a permanent vapor lock dome, a lower sand lock storage enhancement device, a blow down tank, and also including a supervisory control system comprised of heated building, actuated valves, choke valves, compressor, generator, solar panels, wind turbines, batteries, transmitter, microprocessor, monitoring and control system, hose and cable reels, and satellite internet modem, and a sand measurement system comprised of weighing scale with adjustable, self-leveling, and reusable chock for mounting and load cells, acoustic meters, transmitter, microprocessor, control panel, monitoring and control system, choke and control valves, solar panels, generators, and satellite internet modem, all used in conjunction with oilfield equipment, and natural gas and liquids production