Abstract: A feasible modification plan has been proposed in this paper based on the present conditions ofremote hydraulic sandblasting cutting equipment.The equipment is composed of power plant and sand-blasting cutting device.It is used to control and put out fire in oil and gas wells.According to the modi-fication plan,the former single spray gun is transformed to double guns with four nozzles,avoiding thefield productions of rescue tools and the risks of rescue in fire.Compared to the traditional fire cuttingequipment,the modified remote hydraulic sandblasting cutting equipment is outstanding due to smoothkerf,safety and high efficiency.