Integrated automatic well-selecting on-line calibration water-distribution device

Abstract

The invention relates to the technical field of oilfield single well water-injection calibration, in particular to an integrated automatic well-selecting on-line calibration water-distribution device.The integrated automatic well-selecting on-line calibration water-distribution device comprises a PLC, a water inlet pipeline, a multi-ported valve well-selecting device and at least one water outletpipeline; a first stop valve is fixedly mounted on the water inlet pipeline, the multi-ported valve well-selecting device is connected with an empty head and a calibration joint, the empty head is connected with a calibration pipeline, a calibration flowmeter is fixedly mounted on the calibration pipeline, and a second stop valve is mounted on the calibration pipeline; a third stop valve is mounted on the position, on the water outlet side of the calibration flowmeter, of the calibration pipeline; and a water outlet of the calibration pipeline communicates with a water inlet of the calibration joint, and a water outlet of the calibration joint communicates with water inlets of the water outlet pipelines. According to the integrated automatic well-selecting on-line calibration water-distribution device, the structure is reasonable and compact, controlling of single well injection allocation starting and stopping, single well injection allocation amount and injection allocation pressurecan be realized through remote control of the PLC, attended operation and refining water injection management are achieved, the phenomenon of insufficient injection is reduced, and the benefits of water injection development are increased.

Description

technical field [0001] The invention relates to the technical field of oil field single well water injection calibration, and is an integrated automatic well selection online calibration water distribution device. Background technique [0002] At present, oilfield water injection is the main means to maintain formation pressure and enhance oil recovery in major oilfields in China. The conventional water injection process is mainly "single main pipe multi-well water distribution process", which corresponds to the water distribution room in the surface water injection system as the core unit, responsible for The task of metering, regulating, controlling and distributing incoming water from the station, the construction of conventional water distribution room adopts brick-concrete or color plate structure, the water separators are arranged horizontally and uniformly, and each single well is equipped with high-pressure regulating control valves, water volume and pressure measurin...

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Problems solved by technology

[0003] The present invention provides an integrated automatic well selection on-line calibration water distribution device, which overcomes the deficiencies of the above-mentioned prior art, and can effectively solve the problem of unstable water injection control of the existing single well, which leads to lagging of single well water injection, insufficient water injection or Excessive situation, the problem that affects the effect of water injection development

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