Abstract
The agglomeration of hydrate particles is one of the main causes of hydrate accumulation or bedding in oil and gas pipelines. The unconverted water droplets in the system play a crucial role in hydrate particle agglomeration. In this study, a novel technique was developed to directly measure the interaction forces between cyclopentane hydrate particles with a water bridge between them using a micromechanical force apparatus. On the basis of the developed method, the interaction forces at different temperatures and water bridge volumes and the effects of mineral oil were experimentally studied. At a low subcooling level of 1.7 °C, the contact areas and adhesion forces between the hydrate particles and water droplets increased with the increase in the water droplet volume. For the case of a higher subcooling level of 6.2 °C, rapid hydrate formation between the bridging water droplets prevented the hydrate particles from being effectively wetted, resulting in a small contact area. There was no clear relation...
Published Version
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