A device for detecting carbon dioxide concentration in crude oil pipeline

By designing a carbon dioxide concentration detection device for crude oil pipelines, the shortcomings in detecting carbon dioxide concentration and density during oil extraction have been addressed. This enables online detection, improves the safety and efficiency of oil extraction, and supports the effective utilization of carbon dioxide.

CN224480457UActive Publication Date: 2026-07-10JILIN UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JILIN UNIVERSITY
Filing Date
2025-04-27
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Existing technologies lack devices for real-time online monitoring of carbon dioxide concentration and density during oil extraction, resulting in insufficient safety and efficiency in oil extraction and making it difficult to achieve effective utilization of carbon dioxide and environmental protection.

Method used

A carbon dioxide concentration detection device for crude oil pipelines was designed, including a main pipeline, a gas pipeline, a liquid level detection module, a filter screen, a carbon dioxide sensor, a pressure gauge, a pump, and a control and data processing system. The pump maintains the gas pressure, the liquid level detection module controls the liquid flow, the filter screen prevents liquid droplet splashing, the carbon dioxide sensor measures the concentration in real time, the pressure gauge monitors the pressure, and the control system processes the data and controls the valves to achieve online detection.

Benefits of technology

It enables real-time online monitoring of carbon dioxide concentration and density during crude oil extraction and storage, improving the system's safety and reliability, ensuring the safety and efficiency of oil extraction, and supporting the effective utilization of carbon dioxide.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to crude oil exploitation equipment technical field relates to a kind of carbon dioxide concentration detection device of crude oil pipeline, by three-phase flow main pipeline and gas pipeline, liquid level detection module, valve, filter screen, carbon dioxide sensor, gas detection module, air extraction module, control and data processing system and air extraction pipeline composition.When liquid level detection module detects that liquid level reaches or exceeds predetermined threshold, automatically close two side valves, prevent liquid to flow into gas pipeline.When gas pipeline inner gas pressure reaches the gas pressure of carbon dioxide sensor normal work, through data and control system control closing air extraction pump and valve;Again open carbon dioxide sensor, record the carbon dioxide concentration of gas pipeline at this time, and calculate carbon dioxide density.The utility model detection device, carbon dioxide concentration and density can be effectively on-line detected in crude oil exploitation and storage and transportation process, and through automatic control and protection measures, improve the safety and reliability of system.
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