Bulletin of Nizhnevartovsk State University Bulletin of Nizhnevartovsk State University Вестник Нижневартовского государственного университета 2311-1402 2686-8784 110624 10.36906/2311-4444/25-4/08 Экология и природопользование Ecology and Nature Management Экология и природопользование CORRELATION ANALYSIS AND HYDROCHEMICAL FACIES OF CONTAMINANT IONS IN OILFIELD PRODUCED WATER OF THE UPPER ASSAM BASIN ГИДРОХИМИЧЕСКИЙ АНАЛИЗ И КОРРЕЛЯЦИОННЫЕ ВЗАИМОСВЯЗИ РАСТВОРЕННЫХ ИОНОВ В ПЛАСТОВЫХ ВОДАХ НЕФТЯНЫХ МЕСТОРОЖДЕНИЙ ВЕРХНЕАССАМСКОГО БАССЕЙНА Тапан Джиоти Гогои Tapan Dzhioti Gogoi Гогои Субрата Боргохайн Gogoi Subrata Borgohayn Сторчак Татьяна Викторовна Storchak Tat'yana Viktorovna Конвар Дебасиш Konvar Debasish 25 12 2025 25 12 2025 4 101 122 06 12 2025 15 12 2025 https://vestnik.nvsu.ru/en/nauka/article/110624/view

Попутно добываемая вода (ПДВ) из месторождений Верхнеассамского бассейна, образующаяся в процессе разведки и добычи нефти и газа, характеризуется высоким уровнем загрязняющих веществ, включая неорганические элементы и анионы, что создает значительные экологические и медицинские риски. Для решения этих задач в данном исследовании были использованы методы диаграммы рассеяния Пайпера и корреляционного анализа с целью разработки новых корреляционных зависимостей и получения более глубокого понимания сложных взаимосвязей между указанными загрязнителями. Проведенный анализ выявил повышенные концентрации Na, Li, Sr, Pb и F, превышающие допустимые пределы, установленные Центральным советом по контролю за загрязнением Индии (CPCB), что подчеркивает их потенциальное негативное воздействие на окружающую среду и здоровье человека. В противоположность этому, элементы Cr, Cu, Mo и Ni обнаружены не были, что отражает варьирующее геохимическое влияние. В работе также исследованы роль Ca и Mg в формировании жесткости воды и образовании отложений (скейлинга), а также серьезные экологические риски, связанные с высокими уровнями Zn и Pb. Примечательно, что анализ с использованием диаграммы Пайпера позволил идентифицировать бикарбонат кальция (Ca(HCO₃)₂) в качестве преобладающего обеспечивает более четкое компонента, представление что о химическом составе воды. Корреляционный анализ, подтвержденный эмпирическими данными, указал на наличие положительной корреляции между Na и другими неорганическими параметрами с коэффициентом пропорциональности, равным 2,1 e-5. Полученные результаты подчеркивают необходимость применения advanced методов очистки для снижения чрезмерной концентрации загрязняющих веществ и повышения эффективности практик устойчивого природопользования. Проведенное environment; relationships. proportionality constant; исследование демонстрирует важность использования sophisticated аналитических методик для совершенствования экологического менеджмента и эффективности в нефтегазовой отрасли.

The oil field produced water from the Upper Assam Basin, generated during oil and gas exploration and production, contains high levels of contaminants, including inorganic elements and anions, which pose significant environment and health risks. To address these challenges, we employed the Piper class scatter plot and correlation analysis methods to develop new correlations and gain a deeper understanding of the complex relationships among these contaminants. Our analysis revealed elevated concentrations of Na, Li, Sr, Pb and F exceeding the permissible limits set by India’s Central Pollution Control Board, highlighting their potential environmental and health impacts. In contrast, Cr, Cu, Mo and Ni were absent, reflecting varying geochemical influences. The study also examined the roles of Ca and Mg in water hardness and scaling, as well as the severe environmental risks associated with high levels of Zn and Pb. Notably, the Piper class scatter plot analysis identified calcium bicarbonate Ca(HCO3)2 as the predominant component, providing a clearer view of the water’s chemical composition. Correlation analysis, supported by empirical data, indicated that Na is positively correlated with other inorganic parameters, with a proportionality constant of 2.1 e-5. These findings underscore the need for advanced treatment methods to mitigate excessive contaminants and enhance sustainable management practices. The study highlights the importance of employing sophisticated analytical techniques to improve environmental stewardship and operational efficiency in the oil and gas industry.

 загрязняющие корреляция; вещества; окружающая среда; коэффициент пропорциональности; взаимосвязи. contaminants; correlation; environment; relationships.

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