Downhole fine injection indoor comprehensive simulation device

Abstract

An indoor comprehensive simulation device for downhole fine dispensing. Includes section water distribution network system, polymer tank and waste tank, chassis, high pressure plunger pump, console, pipe support and column support. By injecting high-pressure fluid into a simulated wellbore equipped with an intelligent water distributor, the device simulates the actual working condition of the intelligent water distributor in the downhole, and can provide the required simulated well depth for the experiment by adjusting the pressure value, thereby realizing the water distribution device. Collect the pressure and flow parameters of the high-pressure water at the nozzle, and compare the pressure and flow signals uploaded by the water distributor with the pressure and flow signals obtained by the test bench test, which not only realizes the maintenance of the intelligent water distributor on the well, but also completes the sealing performance of the water distributor. , communication performance and water injection function test, solve the problem of inaccurate well test of intelligent water distributor, and greatly reduce the experimental cost.

Description

technical field [0001] The invention relates to a simulation device applied in the field of oil layer injection and production. Background technique [0002] After the oil field is put into development, as the production time increases, the energy of the oil layer itself will be continuously consumed. The stratification of the oil layer will decrease, and a large amount of underground crude oil will be degassed. If the temperature increases, the oil production of the oil well will be greatly reduced, and even the injection and production will be stopped. This makes a large amount of dead oil remaining in the ground unable to be recovered, causing huge losses. In order to make up for the lack of subsurface pressure caused by crude oil production, maintain or increase formation pressure, achieve high and stable oil production, and obtain high recovery, water injection technology has been developed. [0003] At present, the intelligent layered water injection technology has b...

AI Technical Summary

Problems solved by technology

At present, when the intelligent water distributor on the well is measured and adjusted, it is impossible to simulate the downhole working conditions, resulting in a large deviation between the data measured on the well and the data under the downhole working conditions, and the accuracy of downhole water injection is low, and the purpose of fine layered water injection cannot be achieved.

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