Small-diameter intelligent injection allocation device and use method thereof

A dispenser, small-diameter technology, used in earth-moving drilling, production of fluids, valve details, etc., can solve the problems of unstable water injection, pressure fluctuations, errors in expected water injection, etc., to extend life, reduce losses, enhance The effect of stability

Active Publication Date: 2020-01-14
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, for conventional water injection tools, the nozzle opening is constant during the water injection process, and the total amount of water injected into the formation will vary with the fluctuation of the pressure of the ground water injection system, and will also change due to the fluctuation of the formation pressure, making it There is a corresponding error with the expected water injection volume, resulting in pressure fluctuations and instability of water injection volume

Method used

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  • Small-diameter intelligent injection allocation device and use method thereof
  • Small-diameter intelligent injection allocation device and use method thereof
  • Small-diameter intelligent injection allocation device and use method thereof

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0025] see figure 1 , the present invention provides a technical device: a small-diameter intelligent dispenser, including an upper joint 1, the lower end of the upper joint 1 is connected to an inner tube 2 and an outer tube 3, and the inner tube 2 is arranged inside the outer tube 3, An annular pipe space is formed between the inner pipe 2 and the outer pipe 3, a flow detection device 4 is arranged on the upper part of the annular pipe space, a buffer device 5 is...

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Abstract

The invention discloses a small-diameter intelligent injection allocation device which comprises an upper joint. Inner pipes and outer pipes are connected to the lower end of the upper joint, the inner pipes are arranged inside the outer pipes, and annular pipeline spaces are formed between the inner pipes and the outer pipes. Flow detection devices are arranged on the upper portions of the annular pipeline spaces, buffer devices are arranged below the flow detection devices, adjustment devices are arranged below the buffer devices, and the bottom of the inner pipes and the bottom of the outertubes are connected to a lower joint. The small-diameter intelligent injection allocation device has the beneficial effects that the flow rate and pressure of liquid in pipelines are detected and monitored, and the buffer devices are used for facilitating reducing the wear of parts of the adjustment devices.

Description

technical field [0001] The invention relates to the technical field of oilfield exploitation, in particular to a small-diameter intelligent dispenser and a using method thereof. Background technique [0002] With the continuous and rapid growth of the global economy, oil, as a strategic material related to the lifeline of the national economy and national economic security, is playing an increasingly important role. With the economic growth in recent years, my country's demand for oil is increasing day by day. [0003] In the long-term exploitation of underground oil layers, the pressure of underground oil layers gradually decreases, and the oil production capacity of oil wells gradually decreases. Therefore, to ensure the output of oil wells, it is necessary to supplement the formation pressure. The conventional operation method is to use water injection tools to adjust the formation pressure. Make supplements. However, for conventional water injection tools, the nozzle o...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): E21B43/20F16K11/085F16K31/04F16K31/53F16K37/00
CPCE21B43/20F16K11/0853F16K31/043F16K31/535F16K37/0091
Inventor孙德旭马珍福王增林王鹏罗杨郭慧马波张凯王鹏飞孙金峰
OwnerCHINA PETROLEUM & CHEM CORP