Automic control system for throttle well killing

摘要: An automatic control system for throttle well killing fracture automatically controlling the circulation pressure is composed of vertical-fracture sensor, sleeve-fracture well-fracture liquid, drilling column, well, ring space, pipes, meter, valve openness manual three-position four-way valve, electric box, hydraulic spraying pipeline, computer, sludge pool and level sensor pool. Its method also disclosed.