Method and device for adjusting flow of underground distributed water in up and down reciprocating motion manner

Abstract

The invention discloses a method and device for adjusting the flow of underground distributed water in an up and down reciprocating motion manner. The method comprises the following steps of: realizing the reciprocating motion of an adjusting device under a shaft by using a control motor powered by an electric cable for controlling the closing and opening of a locating detent; adjusting the flow of a water distributing mandrel by using an adjusting motor powered by the electric cable; placing the adjusting device under the shaft by replacing the traditional suspension cable with the electrical cable, powering the motors by using the electric cable, and simultaneously realizing the real-time monitoring on underground data. The device is formed by improving a first generation storage type product and is not used yet in the technical field of water flow adjustment of hollow shafts. According to the method, the electrical control is carried out by adopting the brushless motors and the locating detents and replaces the control mode of the traditional mechanical timer so that operating personnel can control the locating detent arranged under the shaft on the ground in a long-range manner, and the reciprocating motion of the adjusting device is realized. By adopting the method and device, the adjusting efficiency is greatly improved, the repetitive work is avoided, the working time is greatly saved, and the working efficiency is improved.

Description

Technical field [0001] The present invention involves a method and device that can regulate the water flow of underground with the waterfield water injection technology. Background technique [0002] During the development of the oilfield, the water is injected into the oil layer through the water injection well, and the water is equipped with a water -equipped core in different depth of the water injection well.Basically synchronize the control of the water injection and the amount of oil collection by regulating the flow of water core to maintain or restore the oil layer pressure.When adjusting the device (hereinafter referred to as the adjustment device) for regulating the water distribution core flow, it is necessary to support the adjustment device on the wall under the well before the water distribution core can be adjusted.Hundreds of meters or even a kilometer.Due to the depth and diameter of the water injection well, the shape of the adjustment device is generally a slen...

AI Technical Summary

Problems solved by technology

Once the existing adjustment device is lifted to the upper layer, it cannot be placed on the lower layer for adjustment due to the obstruction of the opened positioning claws, so it can only be adjusted from the lower layer after all the water distribution cores have been adjusted. The supreme re-adjustment sometimes needs to be repeated many times to meet the final requirements, and the repetitive workload is heavy

And every adjustment needs to adjust the adjustment device from the bottom layer of hundreds of meters or even thousands of meters to the top layer, which is very troublesome, takes a long time, and the work efficiency is extremely low

In the slender adjusting device, the mechanical timing device has a complex structure due to space constraints, and the manufacturing cost is high, and sometimes after going down to the bottom of the well, the timing device failure cannot release the positioning claw, so that the adjusting device cannot It works normally, but the adjustment device has to be pulled up to eliminate the fault and then put it back into the well, the working reliability is poor

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