Since its inception, the high-pressure cleaner has received extensive attention from all walks of life. Because of its low cleaning cost, good cleaning quality, fast cleaning speed, no environmental pollution, no damage to the object to be cleaned, and a wide range of applications, it has been vigorously Promotion and application, and received wide acclaim from all walks of life. Below we mainly introduce the technical characteristics, construction equipment and requirements of the high pressure cleaning machine in the application of oil well deblocking.
1. Technical characteristics of high pressure cleaning machine in the application of oil well deblocking
1. High-pressure rotating water jet treatment formation technology, which can produce three physical effects of low-frequency rotating hydraulic pulse wave, high-frequency oscillating cavitation jet shock wave and cavitation noise (ultrasonic wave) in the underground operation. The treatment effect is far better than that of single physical action Treatment measures.
2. Good selectivity, strong adaptability, easy to combine with other processing methods.
3. The high-pressure rotating water jet deblocking process has the characteristics of energy concentration and large processing depth, and the depth can reach more than 600mm.
4. The jet pressure, treatment interval, time and rotation speed can be selected according to the specific type and severity of blockage.
5. The high-pressure cleaning machine is easy to operate, low in cost, and has a significant effect of removing plugging and increasing production.
2. Construction equipment and requirements of high pressure cleaning machine in oil well deblocking application
1. Construction equipment: one high-pressure cleaning machine, two 400-type cement trucks, and two 15m³ water tank trucks.
2. The construction well shall be equipped with a self-sealing device at the wellhead, and a return water pipeline shall be connected to the backwater tank.
3. High-pressure elbows, high-pressure hoses, tees, etc. that are matched with the 4OO-type cement truck must be equipped in the ground manifold, and cleaned to ensure that the connection is well sealed.
4. According to the depth of the oil layer and the degree of clogging, the working pressure of the high-pressure cleaner is 150-300bar, and the flow rate is about 400L / min.
5. The working medium needs clean water, and appropriate additives such as anti-swelling agent, deblocking agent and clay stabilizer can be added according to the physical properties and blocking conditions of the formation to ensure the compatibility of the working fluid with the formation rock and fluid and the effect of unblocking.
Therefore, the use of high-pressure cleaning equipment to complete and improve the oilfield injection technology, and the selection of practical and efficient water well plugging measures is of great significance to the stable production of the oilfield and to reduce costs.
Through a large number of case practices, this cleaning technology is very perfect, and it has been confirmed that the high-pressure cleaning machine has very good economic and social benefits, thus ensuring the normal production of oil and water wells.
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