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Hydrate Antiagglomerants Performance by Characterizing Particle Size Distribution In Situ Flow Condition

摘要:Hydrate slurry technology is recognized as one of the suitable methods to solve hydrate blockage problems in deepwater field exploitation and development. The key to applying this technology is to inject high-performance hydrate antiagglomerants (AAs) to prevent hydrate particle agglomeration and ensure fluid flow under good flowable conditions. It is better to evaluate the performance of AAs by field tests; however, effective measurements in the laboratory should be carried out before their industrial application. In this work, the performance of AAs was evaluated by particle size distribution data measured in situ by focused beam reflectance measurement (FBRM) from a high-pressure hydrate slurry flow loop under flow conditions, including unweighted mean particle chord length, square weighted mean particle chord length, and count-based chord length distribution (CLD). Meanwhile, a macroscopic index named effective antiagglomerant time was proposed to combine microscopic particle data to evaluate the performance of AAs. The effects of water content, water bath temperature, and AA dosage on the performance of AAs were studied. The results showed that the unweighted mean particle chord length showing the fine particle information changed slightly according to different experimental conditions, while the squared weighted mean particle chord length displaying the large particle status increased with an increase in the water content as well as a decrease in water bath temperature and AAs dosage, resulting in an upward shifting of count-based CLD, a reduced effective antiagglomeration time, and a weakened performance of AAs. The performance mechanisms of AAs affected by water content, water bath temperature, and AA dosage were addressed. These findings provided a valuable reference for promoting the application of hydrate slurry technology to ensure the safety of multiphase flow pipelines by using AAs under suitable conditions with effective and high performance. 漏 2024 American Chemical Society.

ISSN号:0887-0624

卷、期、页:卷38期17:16079-16088

发表日期:2024-08-08

影响因子:0.000000

期刊分区(SCI为中科院分区):三区

收录情况:SCI(科学引文索引印刷版),EI(工程索引),SCIE(科学引文索引网络版)

发表期刊名称:Energy and Fuels

参与作者:姚海元,丁麟,谢振强,王莹

通讯作者:郭恩岐

第一作者:宋尚飞,史博会,宫敬

论文类型:期刊论文

论文概要:姚海元,丁麟,郭恩岐,谢振强,王莹,宋尚飞,史博会,宫敬,Hydrate Antiagglomerants Performance by Characterizing Particle Size Distribution In Situ Flow Condition,Energy and Fuels,2024,卷38期17:16079-16088

论文题目:Hydrate Antiagglomerants Performance by Characterizing Particle Size Distribution In Situ Flow Condition

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