Experiment apparatus for high pressure hydrate slurry rheological property test
A technology of hydrate slurry and experimental equipment, applied in the direction of measuring equipment, flow characteristics, instruments, etc., can solve problems such as insufficient depth, and achieve the effect of simple equipment and easy operation
Inactive Publication Date: 2015-10-07
CHINA UNIV OF PETROLEUM (BEIJING)
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Problems solved by technology
However, the current research on the rheological properties of hydrate slurry is still relatively small and not deep enough, mainly based on experimental measurement, data analysis and summary of experimental rules to draw some qualitative conclusions
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specific Embodiment
[0034] For ease of understanding, the present invention provides a specific embodiment, specifically as follows:
[0035] The high-pressure reactor 2 is a hydrate slurry generating container with a volume of 400ml, which can generate hydrate slurry under different water content, temperature, pressure, stirring speed and additive conditions.
[0036] The used metering pump 4 of the high-pressure rheological test system can be a hand-operated metering pump, the model is JB-3, and the range is 100ml, which is connected with the inlet of the high-pressure reactor 2; the rheometer 5 is an Anton Paar Mcr101 rheometer, The maximum design pressure is 15MPa, and it is connected to the outlet of the hand-operated metering pump.
[0037] In actual experiments, refer to figure 2 In the schematic diagram provided, preferably, each control element is made of high-pressure-resistant material. Take the experimental conditions of measuring temperature 3°C, initial pressure 7MPa, water conte...
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The invention provides an experiment apparatus for a high pressure hydrate slurry rheological property test, and the experiment apparatus for the high pressure hydrate slurry rheological property test comprises: a main gas cylinder, a high pressure reaction vessel system, a metering pump, a water-bath and a rheometer; the high pressure reaction vessel system includes a high pressure reaction vessel, a data acquisition system and a stirring device; the main gas cylinder is respectively connected with the high pressure reaction vessel and the rheometer for supplying gas to the high pressure reaction vessel and the rheometer and adjusting air pressure in the high pressure reaction vessel and the rheometer; the stirring device includes a motor and stirring paddles and is used for stirring the solution in the high pressure reaction vessel and preparing a uniform hydrate slurry; the water-bath is used for adjusting temperature in the high pressure reaction vessel and the metering pump; the data acquisition system is used for performing real time monitoring and recording temperature and pressure data in the kettle; one end of the metering pump is connected with the high pressure reaction vessel, and the other end is connected with the rheometer, in order to transfer the hydrate slurry in the high pressure reaction vessel to the rheometer; the rheometer is used for measuring the hydrate slurry outputted from the metering pump.
Description
technical field [0001] The invention relates to the field of hydrate slurry transportation, in particular to an experimental device for testing the rheological properties of high-pressure hydrate slurry. Background technique [0002] In marine and onshore pipeline gathering and transportation systems, oil, gas and water multiphase mixed transportation technology is widely used. The application of multiphase mixed transportation technology simplifies offshore and onshore oil and gas mixed transportation facilities, so that oil and gas can be directly transported to treatment plants for centralized treatment without the need for oil, gas and water separation first. For submarine pipelines, due to the low ambient temperature, the fluid under high pressure inside the pipeline is often in the hydrate formation zone. Hydrates may form under normal production conditions, and the accumulation of hydrates is likely to cause pipeline blockage, which is commonly referred to as "Ice bl...
Claims
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IPC IPC(8): G01N11/00
Inventor 史博会吴海浩吕晓方宫敬于达
Owner CHINA UNIV OF PETROLEUM (BEIJING)