Ultrasonic liquid-level monitoring system for oil-field fracturing additive in tank

Abstract

The invention provides an ultrasonic liquid-level monitoring system for an oil-field fracturing additive in a vehicle-mounted tank, belonging to the technical field of petroleum extraction. In the prior art, the liquid-level change situation of the fracturing additive in the tank is observed by tank watchers standing on the top of the tank; the manual monitoring data is incorrect, the monitored data are interfered by human factors; and the fracturing additive is wasted; and in addition, the working intensity of the tank watchers is large; in summer, the tank watchers often drop from the tank top due to the sunstroke. The invention provides a Zigbee wireless communication network; a monitoring host is arranged on the main node of the Zigbee wireless communication network; the main node is arranged on a control vehicle; a plurality of monitoring sub machines are positioned on a plurality of secondary nodes of the Zigbee wireless communication network; each secondary node is positioned on one tank vehicle; and an ultrasonic liquid-level detector is a part of the monitoring sub machine, and is mounted on the rear top of the vehicle-mounted tank. The monitoring system provided by the invention is used for the oil-field fracturing work, and can be used for implementing automatic and intelligent work.

Description

technical field [0001] The invention relates to an ultrasonic liquid level monitoring system for oil field fracturing aids in a vehicle-mounted tank, which uses Zigbee wireless communication technology and ultrasonic detection technology to automatically monitor the level of the fracturing aids in the vehicle-mounted tank in real time during oil field fracturing construction. Changes in liquid level, monitoring the process of adding liquid, counting the workload of fracturing aid transportation, and the obtained data become the reference basis for production decision-making, which belongs to the field of oil exploitation technology. Background technique [0002] During the oil field fracturing operation, several tank trucks transport the fracturing aid from the liquid distribution station to the wellhead fracturing operation position, and the fracturing aid is injected into the underground oilfield rocks by the pressing equipment. In order to grasp the injection volume of fr...

AI Technical Summary

Problems solved by technology

In the working mode of the Zigbee wireless communication network, the device transmits data at the transmission rate. Since the amount of data transmission is small, the signal sending and receiving time is short, and the working time of the device is therefore very short, so the power consumption of the device is low; in the non-working mode, The ZigBee node is in a dormant state, however, the dormancy activation delay of a dormant device is only 15ms, the channel access delay of an active device is only 15ms, and the device search delay is generally 30ms

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