Effect of laser irradiation on a heavy crude oil sample: Changes in viscosity and implications for oil recovery and transport

Author:

Zhang Shanzhe12ORCID,Sun Xiaorong12ORCID,Yan Sining12ORCID,Liu Cuiling12ORCID,Miao Xinyang34ORCID,Zhao Kun34ORCID

Affiliation:

1. School of Artificial Intelligence, Beijing Technology and Business University, Beijing 100048, China

2. Beijing Key Laboratory of Big Data Technology for Food Safety, Beijing Technology and Business University, Beijing 100048, China

3. College of New Energy and Materials, China University of Petroleum, Beijing 102249, China

4. State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, China

Abstract

High-viscosity oil has attracted people's attention as unconventional energy. Hence, the viscosity reduction played a significant role in pipeline transportation. In this paper, a 532 nm laser was employed to reduce the viscosity. Both voltage and temperature will change under laser irradiation due to the thermal effect. Moreover, the variation in the voltage and temperature was studied without laser irradiation in order to research the influence of laser irradiation on experimental results with different bias currents. An exponential function was used to fitted waveforms of falling voltage in order to study the effect of laser irradiation on liquid. The relationships among the voltage, temperature, and viscosity were also studied under laser irradiation. Particles in the crude oil absorbed energy from laser, which led to the liquid conductivity change. Due to laser irradiation, the temperature of the liquid will rise, resulting in the viscosity change. Laser technology will provide a distinctive driving force for the viscosity reduction.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Beijing Municipality

Beijing Technology and Business University

Publisher

AIP Publishing

Subject

Condensed Matter Physics,Fluid Flow and Transfer Processes,Mechanics of Materials,Computational Mechanics,Mechanical Engineering

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