A complex geochemical survey for forecasting the oil and gas potential of Gydanskii and Yuratskii Bays of the Kara Sea

Autor:	G. I. Ivanov
Rok vydání:	2011
Předmět:	chemistry.chemical_classification Hydrogen business.industry Fossil fuel Mineralogy chemistry.chemical_element Fraction (chemistry) Oceanography Copper Methane chemistry.chemical_compound Hydrocarbon chemistry Isotopes of carbon business Carbon Geology
Zdroj:	Oceanology. 51:891-895
ISSN:	1531-8508 0001-4370
DOI:	10.1134/s0001437011050067
Popis:	The potential possibility for searching for and fore� casting of the hydrocarbon (HC) deposits using the results of the geochemical surveys of the nearbottom water layer and bottom deposits is determined by the subvertical migration of the hydrocarbon fluids and the resulting secondary geochemical anomalies. Anomalies are formed by the higher above background concentrations of HCGs including methane with an enhanced heavy carbon isotope content, methane homologs (in some cases with a high content of the butyric acid fraction in bitumens), fields with increased numbers of hydrocarbon oxidizing microor� ganisms, a high content of ferrous and copper sulfides, etc. (1, 2). The peripheril part of the anomaly is char� acterized by increased concentrations of carbon diox� ide and hydrogen. Different combinations of helium and methane are characteristic features of the mani� festation of the fluidconducting zones of the faults with displacements (3).
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::7a37d0845505f0feb7d25da924e7345a https://doi.org/10.1134/s0001437011050067 Zobrazit plný text záznamu Full text from SpringerLink