Focused-beam reflectance method aids hydrate blockage prediction

Xiaofang Lv Jing Gong Wenqing Li Yixuan Tang China University of Petroleum Beijing Jiankui Zhao China National Oil and Gas Exploration and Development Corp. Beijing Examining the variance of hydrate particle size with focused-beam reflectance measurements (FBRM) yields a clearer understanding of the microscopic mechanisms guiding hydrate formation and plugging, with the square-weighted chord length method emerging as capable of predicting hydrate plugging fairly well. Reducing pressure or raising temperature in a subsea natural gas pipeline can inhibit hydrate formation. If the flow rate is low enough, however, a natural gas pipeline with a low water cut (~10%) may still risk hydrate b...

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