Research on influencing factors for wax deposition behavior in G-13 oil well and preferred selection of wax-remover

Ning Jing; Chuan Zhou; Qingyun Gao; Jingjing Guo; Xiuyu Wang; Yuanguo Wen

doi:10.1117/12.3050459

12 December 2024 Research on influencing factors for wax deposition behavior in G-13 oil well and preferred selection of wax-remover

Ning Jing, Chuan Zhou, Qingyun Gao, Jingjing Guo, Xiuyu Wang, Yuanguo Wen

Author Affiliations +

Proceedings Volume 13419, Tenth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2024); 1341906 (2024) https://doi.org/10.1117/12.3050459
Event: Tenth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2024), 2024, Lhasa, China

Abstract

In the process of G-13 well production, severe wax deposition often happens, leading to wellbore plug, production reduction and even shutdown of the oil well. It is necessary to analyze the wax deposition behavior and select suitable wax-removal agents. The composition of wax sample and viscosity- temperature curve was tested and the wax deposition profile in the oil well was calculated. The influencing factors were analyzed and then four chemical wax-removal agents were tested based on industry standards. The research results indicate that there are 60.94% organic components, of which heavy components such as gum, asphaltene, and paraffin accounting for 45.75%. Large concentration of heavy components in crude oil, low production gas-oil ratio, and low water content are main factors for wax deposition behavior in G-13 well. The selection experiments of wax removers show that B-oil based wax remover is recommended if the wax dissolution rate is the main consideration, and C-oil based wax remover can be selected for a best comprehensive performance. In addition, dissolution rate experimental method for on-site wax sample was innovatively designed and proposed. This research work has important guiding significance for the on-site wax removal process of the target block.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Ning Jing, Chuan Zhou, Qingyun Gao, Jingjing Guo, Xiuyu Wang, and Yuanguo Wen "Research on influencing factors for wax deposition behavior in G-13 oil well and preferred selection of wax-remover", Proc. SPIE 13419, Tenth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2024), 1341906 (12 December 2024); https://doi.org/10.1117/12.3050459

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KEYWORDS

Sampling rates

Water content

Viscosity

Colloids

Emulsions

Chemical analysis

Safety

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