Sand control pipe erosion rate experiment device

An experimental device, technology of sand control pipes, applied in the direction of measuring devices, weather resistance/light resistance/corrosion resistance, instruments, etc., can solve the problem of screen erosion rate based on experience, etc., and achieve the effect of reducing labor intensity

Inactive Publication Date: 2015-11-18
YANGTZE UNIVERSITY
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Problems solved by technology

At present, the evaluation methods of screen erosion rate are mostly based on experience, which has great limitations.

Method used

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  • Sand control pipe erosion rate experiment device
  • Sand control pipe erosion rate experiment device
  • Sand control pipe erosion rate experiment device

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0033] Such as figure 1 Among them, an experimental device for erosion rate of sand control pipes, the storage tank 1 is connected to the pump 2 through the pipeline, the pump 2 is connected to the erosion device 5 through the pipeline, the erosion device 5 is connected to the oil sand separation device through the pipeline, and the oil The sand separation device is connected to the storage tank 1; the storage tank 1 is used to uniformly mix the oil sand to form an erosion liquid. The erosion liquid in this example is the oil-sand mixture prepared according to the experimental requirements, mainly with a certain oil-sand volume ratio or oil-sand weight ratio for mixing, while the given sand grains are mainly mixed according to the grain size characteristics of the formation. Pump 2 is used to increase the pressure of the homogeneously mixed oil-sand mixture. The erosion device 5 is used to make the oil-sand mixture erode on the screen piece sample processed from the screen ac...

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Abstract

A sand control pipe erosion rate experiment device is disclosed. A storage tank is connected to a pump through a pipeline. The pump is connected to an erosion device through a pipeline. The erosion device is connected to an oil-sand separation device through a pipeline. The oil-sand separation device is connected to the storage tank. In the erosion device, a liftable nozzle is arranged above a sample seat with an adjustable inclined angle and is connected to the pump. Through the structure mentioned above, the samples collected by an oil-field common screen pipe can be used to carry out experiments, the different production conditions can be simulated, the simulated production conditions are closed to the real working conditions, such as the physical characteristics of different stratums, production requirements including pressure requirement and flow requirement, and the like; the experiment parameters can be adjusted in time, the erosion on a sand control pipe can be simulated, and thus the sand control pipe erosion rate can be evaluated more precisely. Furthermore, automatic control is adopted during the experiment process, the data is collected automatically, and the labor intensity is reduced.

Description

technical field [0001] The invention relates to the field of experimental devices for oil well completion evaluation equipment, in particular to an experimental device for evaluating the erosion rate of sand control pipes. Background technique [0002] In weakly consolidated sandstone reservoirs, once the sand production in the oil layer is serious, the harm at this time is not only the formation of sand plugging and affecting the production of the oil well, but also the wear of the oil well pump and sucker rod, which will increase the workload of sand cleaning operations; In severe cases, the oil well will be blocked and the oil well will stop production. Mechanical screen sand control is one of the main sand control tools currently selected. [0003] Due to the different geological properties of the reservoir itself and the different mining methods, in the production process of oil and gas fields, the selection of on-site sand control methods is different. After data rese...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/56G01N17/00
Inventor 邓福成谭俊华
Owner YANGTZE UNIVERSITY
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