ORIGINAL PAPER
Investigation of non-toxic demulsifiers and comparison to standard equivalents in the Paris Basin (France) oil mines
1
AGH University of Science and Technology, Krakow
These authors had equal contribution to this work
Submission date: 2023-12-21
Final revision date: 2024-08-16
Acceptance date: 2024-08-25
Publication date: 2024-09-11
Gospodarka Surowcami Mineralnymi – Mineral Resources Management 2024;40(3):207-224
KEYWORDS
TOPICS
ABSTRACT
Demulsifiers are widely used to increase the separation between oil and water. The more common ones contain hazardous ingredients (aromatic solvents, non-biodegradable active components), which can negatively affect human health (especially the respiratory system) and the environment. The presented study evaluates the feasibility of implementing a non-toxic, highly biodegradable, and environmentally friendly demulsifier in oil mines in the Paris Oil Basin (France). The standard commercial demulsifiers were tested together with four other, non-toxic and biodegradable ones. This investigation employed the bottle test of demulsifiers, which contained grind-out tests using the centrifuge. The test determined the residual water content in separated water. Four types of oil were used for this test, plus a fifth sample, which contained a mix of oil from the four wells, based on the ratio that existed in the installation. The investigations took place at four oil mines in Paris Basin, France.
The tests proved that, for all oil types, a novel, highly biodegradable, oil-soluble demulsifier containing polyimine derivative and EO/PO block copolymer (RSN = 10) in a non-toxic solvent, could be used to treat oil during the exploitation process in the reservoir. This provided the best separation properties of all tested samples and the lowest water content in the oil.
This solution can potentially mitigate numerous logistical, storage, and environmental issues while enhancing job-related safety aspects. Our proposed approach provides a greener method that could be implemented in the industry field.
ACKNOWLEDGEMENTS
The work is available under a subsidy for the Department of Drilling and Geoengineering of the AGH University of Science and Technology in Krakow, contract number 16.16.190.779.
METADATA IN OTHER LANGUAGES:
Polish
Możliwości potencjalnego zastosowania nietoksycznych demulgatorów w kopalniach ropy naftowej w Basenie Paryskim (Francja) i porównanie z przemysłowymi odpowiednikami
demulgator, ropa naftowa, Basen Paryski, nietoksyczne, ekologiczne rozwiązania
Demulgatory przyspieszają separację wody od ropy naftowej podczas jej wydobycia. Te bardziej powszechne często zawierają substancje niebezpieczne (rozpuszczalniki aromatyczne, czy słabo biodegradowalne składniki aktywne), które mogą działać negatywnie na zdrowie ludzi (szczególnie układ oddechowy) oraz na środowisko. Artykuł ocenia możliwość zastosowania środków nietoksycznych, o wysokim stopniu biodegradacji, przyjaznych środowisku, podczas badań przeprowadzanych dla ropy naftowej pochodzącej z kopalni znajdujących się w Basenie Paryskim. Powszechne, komercyjne demulgatory były testowane wraz z czterema nietoksycznymi i biodegradowalnymi. Badanie polegało na przeprowadzeniu testu butelkowego demulgatora oraz testu badającego zawartość wody w wirówce. Analizowane były cztery próbki ropy naftowej wraz z piątą próbką, będącą mieszaniną tychże czterech, mieszaną w stosunku znanym z procesu produkcyjnego dla danej instalacji. Miejscem pracy były cztery kopalnie ropy naftowej w Basenie Paryskim, we Francji.
Na podstawie badania udowodniono, iż dla wszystkich czterech próbek nowy, wysoce biodegradowalny, rozpuszczalny w ropie demulgator, zawierający pochodne poliiminowe wraz z polimerami EO/PO (o RSN = 10) w rozpuszczalniku nietoksycznym, skutecznie może być użyty w celu poprawienia separacji podczas eksploatacji ropy. Nie tylko zapewnił najlepsze właściwości separacji dla wszystkich analizowanych próbek, ale również najniższą zawartość wody w ropie po separacji spośród wszystkich analizowanych produktów.
Rozwiązanie to ma potencjał w wyeliminowaniu wielu problemów związanych z logistyką produktu, składowaniem oraz aspektami środowiskowymi. Jest również bardziej bezpieczne pod kątem pracy z produktem. Wnioski te w zupełności spełniają aktualny trend dotyczący użycia jak najbardziej ekologicznych rozwiązań w każdej możliwej pracy przemysłowej.
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