Method and device for improving liquid drainage efficiency of gas well

By collecting data through sensors and using predictive models to automatically control the amount of chemical agents added, the inefficiency and adaptability of traditional gas well drainage technology in complex environments have been solved, achieving efficient and stable gas well production and promoting the intelligent development of oil and gas fields.

CN121827754APending Publication Date: 2026-04-10CNPC GREATWALL DRILLING COMPANY +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CNPC GREATWALL DRILLING COMPANY
Filing Date
2024-10-10
Publication Date
2026-04-10

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Abstract

The invention discloses a method and device for improving the liquid drainage efficiency of a gas well. The method comprises the steps that multiple different types of monitoring data in the liquid drainage process of the gas well are collected in real time through an arranged sensor; processing the monitoring data to generate corresponding characteristic parameters; inputting the characteristic parameters into a prediction model which is obtained through training according to historical production data of the gas wells in the block in advance, and obtaining a model output result; the prediction model is used for predicting the addition amount of the chemical agent; and controlling the use of the chemical agent in the gas well liquid process according to the model output result. By means of the scheme, high-precision, automatic and self-adaptive adjustment gas well liquid drainage can be achieved, and the efficient production requirement of modern oil and gas fields is met.
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