Intelligent constant flow water distribution device

Abstract

The invention provides an intelligent constant-flow water distribution device. The intelligent constant-flow water distribution device comprises a signal receiving unit, a PLC main plate, an adjustingmotor and an adjusting switch. The adjusting switch is located on an outer water outlet of the intelligent constant-flow water distribution device, the signal receiving unit receives pressure codes sent by the ground, the pressure codes are decoded to obtain an adjusting instruction, and the adjusting instruction is transmitted to the PLC main plate. The PLC main plate transmits the adjusting instruction to the adjusting motor, and the adjusting motor rotates forwards or reversely under control of the adjusting instruction so as to control axial movement of the adjusting switch to adjust thesize of the outer water outlet for flow adjustment. According to the intelligent constant-flow water distribution device, the injection distribution quantity can be conveniently and rapidly adjusted according to the amended injection distribution scheme, and the requirement of an oil field for accurate injection distribution of water injection work is met.

Description

technical field [0001] The invention relates to the technical field of layered water injection wells in oil fields, in particular to an intelligent constant-flow water distribution device. Background technique [0002] In recent years, the integrated technology of layered water injection well measurement and adjustment has been developed by leaps and bounds. Chinese patent CN201496052U "Concentric Adjustable Water Distributor" discloses an adjustable water distributor, which is mainly composed of a movable core, a rotating core, a fixed sleeve, Composed of anti-rotation sleeves, during the water injection process or when the water injection conditions change, due to the influence of pressure fluctuations, the movable core will often automatically move in the direction of closing the water nozzle, which directly leads to a decrease in the water injection volume of the water distributor, which eventually leads to According to statistics, water injection wells overhauled in thi...

AI Technical Summary

Problems solved by technology

Chinese patent CN 102278100 B "Constant Flow Control Device and Method for High Pressure Water Injection Well" discloses a constant flow control device for high pressure water injection wells. The remote transmission device and digital display instrument; the monitoring device connected with the remote transmission device; the electric heating device connected with the digital display instrument; the flow meter and the digital display instrument are also connected with the frequency converter. This method only realizes the constant flow of the wellhead flow In the era of fine water injection, the quantitative control of each layer is still not solved

Due to the large difference in the quality of the injected water in the oil field, the oil, mud, scale, etc. in the pipe string cause the problem that the measuring and adjusting instrument runs into the well from time to time, and even the measuring and adjusting operation cannot be completed. The total number of overhauled water injection wells is about 35%. Therefore, it is very important to study an intelligent water distribution device, which can save the later steel wire fishing or cable testing, and can ensure automatic control during the water injection process to achieve constant and stable flow.

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