A pressure plug is a mechanical device used to seal and seal a pipeline during drilling. The equipment is mainly used in oil, gas and geothermal extraction to improve the efficiency and stability of downhole operations.

Pressure plugging equipment consists of the following main components:

Applicator: The applicator is the core component of the device, which is responsible for expanding the diameter of the pipe in the wellbore for sealing and sealing. The device is usually made of metal material, with high temperature resistance, corrosion resistance and other characteristics. It can be operated with different diameters as required.

2. Sealer: Sealer is used to seal the pipe and stop pressure and fluid from leaking to the surface. Sealers are usually made of rubber or metal materials, with good sealing performance and durability. 3. Pressure control device: The pressure control device is used to monitor and control downhole pressure to ensure the stability of the plugging operation. It typically includes components such as pressure sensors, valves, and control systems that can automatically or manually control downhole pressure.

4. Drainage device: The drainage device is used to remove water and other fluids from the bottom of the well for sealing operations. It typically includes components such as pumps, pipes, and valves that drain fluid from the bottom of the well to the surface or other pointed locations.

The working principle of the plugging equipment with pressure is as follows:

Prior to the entry and closure operation, the equipment must first be lowered into the wellbore until the closure position is reached. Then, by controlling the pressure control device, the pressure fluctuates within the set range. Next, activate the rewriter to expand the diameter of the pipe by rotation or other means. At the same time, the stopper is pushed by pressure to seal the pipe completely, preventing fluid leakage.

After the closure operation is complete, water and other fluids from the bottom of the well can be removed through a drainage device. The equipment is then removed from the wellbore and the necessary maintenance and overhaul work is carried out.

The pressure plugging equipment has a wide range in the drilling process. It can be used for downhole plugging and non-plugging in order to carry out downhole operations, downhole testing and downhole workover. Through the use of pressure plugging equipment, you can improve the efficiency of drilling operations, reduce man-hours and reduce the risk of accidents.

In short, pressure plugging is an important drilling equipment, which plays a key role in oil, gas and geothermal fields. It achieves stable and efficient downhole operation by enlarging the pipe diameter and plugging the pipe.

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