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A method and system for intelligent measurement and adjustment of underground wireless layered water distribution

An intelligent and water distribution technology, applied in signal transmission system, non-electrical signal transmission system, measurement, etc., can solve problems such as ineffective injection, inability to timely control the working status of downhole strings, and low qualification rate of distribution injection, so as to reduce workload , Improve the technical level and information management, and simplify the process

Active Publication Date: 2021-11-02
CHINA PETROLEUM & CHEM CORP +1
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AI Technical Summary

Problems solved by technology

Due to the inability to timely control the working conditions of the downhole pipe string, resulting in low qualified injection rate and invalid injection

Method used

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  • A method and system for intelligent measurement and adjustment of underground wireless layered water distribution
  • A method and system for intelligent measurement and adjustment of underground wireless layered water distribution
  • A method and system for intelligent measurement and adjustment of underground wireless layered water distribution

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Embodiment Construction

[0048] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and examples, so as to fully understand and implement the process of how to apply technical means to solve technical problems and achieve technical effects in the present invention. It should be noted that, as long as there is no conflict, each embodiment and each feature in each embodiment of the present invention can be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.

[0049] The existing wireless water measurement and distribution technology can realize remote control, which has greatly improved in terms of advancement, convenience, and well adaptability. However, there is still the problem that the downhole adjustment and measurement actions cannot be fed back in time, and the downhole data cannot be monitored in time. and regulation. When the characteristic parameters s...

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Abstract

The present invention discloses a method and system for wireless stratified water distribution in underground wells of intelligent measurement and adjustment, which includes: obtaining water distribution commands of one or more intelligent water distributors in the well that need to be adjusted, and converting them into corresponding sound wave actions of water nozzles The signal is sent to the downhole through the water distribution pipe string; the designated downhole intelligent water distributor receives the corresponding faucet sound wave action signal, adjusts the inner faucet to the opening degree matching the faucet sound wave action signal, and completes layered water distribution; The water distributor regularly collects the feedback information of the corresponding formation, generates the acoustic vibration signal matching the feedback information, and sends it to the ground in time-sharing through the water distribution pipe string; the wellhead controller receives the above-mentioned acoustic vibration signal and converts it into feedback information, and uses To monitor equipment and formation water distribution status. The invention realizes wireless two-way communication of data and instructions and intelligent water distribution regulation, completes fine layered water injection of oilfield wells, significantly simplifies the process, and improves the qualification rate of distribution and injection.

Description

technical field [0001] The invention relates to the technical field of oilfield development, in particular to a method and system for wireless stratified water distribution in downhole intelligent measurement and adjustment with bidirectional signal transmission function. Background technique [0002] At present, domestic layered water injection technology can meet the needs of most reservoir types, but there are still problems of oil-water well correspondence ratio and poor water flooding effect. The existing water injection technology is mainly divided into: concentric water distribution technology, eccentric water distribution technology, cable-free water distribution technology, etc., among which concentric water distribution technology, eccentric water distribution technology, etc. It cannot meet the water injection requirements of highly deviated wells and horizontal wells, and there are problems of high construction cost, complicated process and untimely deployment. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B43/20E21B47/00G08C23/02
CPCE21B43/20E21B47/00G08C23/02
Inventor 何祖清何同彭汉修
Owner CHINA PETROLEUM & CHEM CORP
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