Study on microwave heatingtechnology ofoilfield wellhead weighing

In order to reduce the error caused by the intermittent production of low-yield oil wells, the crude oil weighing device with microwave heating was designed to efficiently and instantly heat the wellhead liquid to reduce the intermittent production of oil wells. The device can efficiently and immediately heat the wellhead incoming liquid and reduce the phenomenon of wax on the oil wall caused by intermittent liquid production. It is found in laboratory experiments that when the volume of the crude oil for single weighing is 20 L, three microwave power devices with a total power of 3 kW spirally arranged at the bottom of the weighing device can efficiently heat the crude oil with different water content. The average temperature of the heating temperature rise of 40℃ within 10 minutes, at the same time it can significantly reduce the phenomenon of crude oil wall hanging, waxing, so that the weighing has good accuracy. Compared with conventional heating, the instant and high efficiency of microwave heating has good adaptability to the measurement of low-yield oil wells, and at the same time it can effectively reduce the cost investment of the heating part, and has good economic benefits.