Subsurface flow oil blocking weir

By designing the underflow oil blocking weir, using the combined structure of the sedimentation tank, salvage submarine, weir, overflow pool and underflow culvert pipe, the problem of crude oil leakage and diffusion in the oil field is solved, effective interception and separation of crude oil is achieved, and maintenance and construction costs are reduced.

CN119711440APending Publication Date: 2025-03-28CHANGQING ENGINEERING DESIGN CO LTD +1
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Patent Information

Application Number
CN202311253587.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-09-26
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The accidental leakage of crude oil generated by the oil field during the development and production process has caused crude oil to spread along the river channel, causing difficulties in oil field production and maintenance and environmental protection. The existing oil barrier facilities are costly to be constructed and the maintenance and operation costs are high.

Method used

Design a subflow oil blocking weir, including a sedimentation tank, salvage submarine, weir, overflow pool and underflow culvert pipe, to achieve oil-water separation through the subflow culvert and overflow pool, reducing the possibility of floods destroying oil blocking facilities.

Benefits of technology

It has achieved effective interception and separation of crude oil, reduced the difficulty of rescue, reduced maintenance costs, reduced the risk of flooding of oil-blocking facilities, and has a low construction cost.

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Abstract

The invention provides an undercurrent oil blocking weir which comprises a settling pond, the settling pond is transversely arranged in the middle of a river channel, a salvage submerged platform is transversely arranged on the rear side of the settling pond, a weir body is arranged on the rear side of the salvage submerged platform, an overflow pond is arranged on the rear side of the weir body, and one or more undercurrent culvert pipes are longitudinally arranged on the lower portion of the salvage submerged platform and the lower portion of the weir body. The underflow culvert pipe is communicated with the sedimentation tank and the overflow tank. The subsurface flow oil blocking weir does not need to intercept water and accumulate water, the emergency rescue difficulty is reduced, meanwhile, cleaning is convenient, and the cost is low.
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