Treatment of fluid produced from oil and gas wells, namely, separating solids, oil, water, and gas components of the fluid, removing sand and other solids from the fluid, treatment of the fluid, and controlling the fluid production process using automated pressure control and measurement equipment

Treatment and handling of fluid produced from oil and gas wells, namely, filtration of oil and gas well liquids through separation, absorption, sedimentation, centrifugation, removing sand and solids from liquid and separating them