Detection device for detecting sand content in oil-gas pipeline
A technology for detecting devices and oil and gas pipelines, which is applied to measuring devices, measuring electrical variables, and measuring resistance/reactance/impedance, etc., can solve the problems of detection results relying on uniform distribution, not being detected, and small contact area with oil and gas flow, etc. To achieve the effect of easy maintenance and replacement, accurate detection results, and increased detection area
Active Publication Date: 2019-07-12
广东省海洋工程装备技术研究所
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Problems solved by technology
The disadvantage of this type of detection equipment is that the contact area with the oil and gas flow is too small, and the detection results are heavily dependent on the uniform distribution of sand particles in the fluid, so the ideal installation point is downstream of the throttle valve (because the fluid and sand particles pass through the throttle valve after mixing thoroughly)
If the installation position is not suitable, a large number of sand particles may form a sand particle bundle, bypassing the detection element and thus not being detected
Method used
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[0024] see figure 1 , the detection device of the present embodiment includes electric wires and a detection device body 1, the detection device body 1 is arranged inside the oil and gas pipeline 2, and the side surface wall of the oil and gas pipeline 2 is provided with a through hole 3 penetrating the side surface wall, and the detection device The body 1 is provided with a positive pole and a negative pole, and the electric wires include a positive pole line 4 and a negative pole line 5, the positive pole line 4 is electrically connected to the positive pole, and the negative pole line 5 is electrically connected to the negative pole. The detection device also includes a power supply and an ammeter. The positive wire 4 extends outward from the positive pole of the detection device body 1 , and is electrically connected to the power supply through the through hole 3 . The negative wire 5 extends outward from the negative pole of the detection device body 1 , and is electrica...
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The invention provides a detection device for detecting the content of sand in an oil-gas pipeline. The detection device comprises an electric wire and a detection device body, wherein the detection device body is arranged in the oil-gas pipeline, a through hole penetrating through the side surface wall is formed in the side surface wall of the oil-gas pipeline, and the electric wire passes through the through hole and is electrically connected with the detection device body. The detection device body comprises at least one arc body which is tightly attached to the inner side wall of the oil-gas pipeline, and the detection device body further comprises at least one linear body arranged in the chord direction or the radial direction of the cross section of the oil-gas pipeline. Compared with an existing detection device, the detection device has the advantages that the detection area of the detection device body is increased, and a more accurate detection result can be obtained.
Description
technical field [0001] The invention belongs to the technical field of detection devices for oil and gas pipelines, in particular to a detection device for detecting sand content in oil and gas pipelines. Background technique [0002] Sand is very common in oil and gas production pipelines, and sand erosion is one of the main causes of pipeline rupture. Therefore, sand detection is very important in oil and gas production. Existing detection equipment is mainly based on three principles: [0003] Based on sonic technology. This type of sand detection equipment is installed outside the pipeline to detect the sound waves generated by the sand colliding with the inner wall of the pipeline. Due to the interference of various noises, this type of equipment is suitable for continuous monitoring of relatively large amounts of sand. [0004] Based on ultrasonic technology. This type of equipment is also installed on the outside of the pipeline and uses ultrasonic waves to measur...
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Login to View More IPC IPC(8): G01N27/04G01R27/08
CPCG01N27/04G01R27/08
Inventor 李伟张永梨蒋晓明李萌兰海鹏吴文静
Owner 广东省海洋工程装备技术研究所