| Issue |
E3S Web Conf.
Volume 375, 2023
8th International Conference on Energy Science and Applied Technology (ESAT 2023)
|
|
|---|---|---|
| Article Number | 01038 | |
| Number of page(s) | 4 | |
| Section | Fossil Energy & Geological Engineering | |
| DOI | https://doi.org/10.1051/e3sconf/202337501038 | |
| Published online | 27 March 2023 | |
Causes and treatment of adhesive damage in polymer flooding injection pipeline
No.6 Oil Production Plant No.7 Operation Area, Daqing Oilfield Co., LTD.,
Daqing Heilongjiang 163000, China
The viscosity of polymer liquid is an important parameter used in oilfield. Understanding the loss rule and regularity of polymer liquid will help to improve the distribution and water injection quality of polymer liquid and ensure the effective distribution of polymer liquid. According to the oil-water viscosity data of the previous polymer flooding fluid, it is found that the oil-water viscosity is within the range of 5%-20%, with an average of 9.8%. The reasons of single well pipeline viscosity are complex and varied, which are closely related to reducing substances, types and quantities of bacteria, fouling oil suspensions on the inner wall of pipeline, pipeline length and running time. Therefore, from the aspects of Fe2+, pipeline running time and so on, the influence factors and prevention methods of single well pipeline viscosity loss were studied, and the corresponding treatment measures were worked out, and good results were obtained.
Key words: injection pipeline / Polymer / Adhesion loss
© The Authors, published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0/).
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