Development and application of oil pipe inspection plug for oil-water wells under pressure

In order to solve the actual problems of oil and water wells under pressure, improve the success rate of plugging and construction efficiency, the oil and water wells under pressure tubing inspection plugging device has been developed. This plugging device integrates pipe inspection and plugging, and inspects the oil pipe After the location of the leak point, plug it above the leak point, and the pipe inspection and plugging construction can be completed in one time, which improves the construction efficiency; the use of the plug can also effectively solve the problem of tubing scaling, waxing or wellhead gate opening. The incompleteness leads to the problem of blocking and encountering resistance, which realizes the anchoring of hydraulic anchor claws with small diameters and the lifting and lowering of plugs. Field applications show that the plug can effectively judge and block tubing well conditions. The effect is good.