C12−C30 n-alkylbenzenes in crude oils

Ostroukhov, S. B.; Aref'yev, O. A.; Pustil'nikova, S. D.; Zabrodina, M.N.; Петров, А. С.

doi:10.1016/s0031-6458(83)80090-2

Cited by 18 publications

(9 citation statements)

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“…This compound class consists predominantly of alkylbenzene isomers ranging to > 40 carbon atoms. They are not synthesized directly by living organisms, but are formed from organic substances present in them by thermochemical transformations via dehydration, cyclization and aromatization reactions (Ostroukhov et al, 1983;Koopmans et al, 1997;Kissin, 1998). The C-C bond cleavage of the side chain by which the aromatic moiety is linked to the macromolecular structure fosters the production of alkylbenzenes.…”

Section: Introductionmentioning

confidence: 99%

Geochemistry of alkylbenzenes in the Paleozoic oils from the Tarim Basin, NW China

Zhang

Huang

Jin

et al. 2014

Organic Geochemistry

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Section: Introductionmentioning

confidence: 99%

Geochemistry of alkylbenzenes in the Paleozoic oils from the Tarim Basin, NW China

Zhang

Huang

Jin

et al. 2014

Organic Geochemistry

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“…It is primarily these natural pigments that are carotinoids. Tetra-substitutional AB and alkyl cyclohexanes (ACH) are transformation products of these compounds [3,4]. These hydrocarbons (particularly AB) are widely represented in crudes, since they are basic components of both the initial organic substance, and also the bacteria that are digesting it in the sludge-accumulation process.…”

Section: Intensity Amentioning

confidence: 99%

Composition of hydrocarbons in crude oil of Tersa field in Volgograd Region along the Volga

Ostroukhov

Bochkarev

Soboleva

2013

Chem Technol Fuels Oils

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Characteristics of the composition of crude oils of terrigeneous deposits of the Volgograd region alongthe Volga are examined. It is demonstrated that crude oils of these deposits are light, paraffinic, low-sulfur, and low-resin. Their original parent matter is represented by the specific organic matter of terrigeneous deposits, which accumulated and metamorphosed under reducing conditions.The composition of crude from the Volgograd region is distinguished by broad diversity, resulting from complex multistage formation, reformation, and breakdown of deposits within a broad generational-accumulation system of the subsalt Paleozoic on the western border of the near-Caspian depression and its platform-like continuation. In this system, the crudes, which are confined to deposits of the terrigneous Devonian in the extreme northwestern section (right-bank) of the Volgograd region along the Volga, are particularly isolated. This is the western boundary of the commercial petroleum content of the border section in the near-Caspian depression, which is attracting the attention of researchers for various reasons. The Tersa field falls within the region in question. Characteristics of the crude from these deposits, which are also characteristic of other crudes from the Volgograd region along the Volga, are examined in this study based on crude extracted from well No. 76 in the Tersa field.A basic characteristic of the Tersa field is its finely-divided block structure, and complicated disjunctive tectonic and lithologic nonuniformity of the seams with respect to area and section, which have affected the properties of the crudes. The western boundary of the Tersa structure is a regional longitudinal fault. Two seams of the Ardatovsk horizon, which are represented by a terrigneous complex of rocks, are oil-bearing in the field.The crudes of this region have a density ranging from 800 to 810 kg/m 3 , and a gas contant of from 70 to100 m 3 /ton, and contain 8-15% of solid paraffins. The crudes are low-sulfur and low-resin. These crudes are a valuable feedstock for the production of high-index oils, waxes, etc. Based on physico-chemical properties

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“…Although long-side-chain alkylbenzenes are present in most crude oils, only occasionally have they been identified. The occurrence of the homologous series of n-alkylbenzenes, methyl-n-alkylbenzenes (n-alkyltoluenes) and dimethyl-n-alkylbenzenes (n-alkylxylenes) in crude oils, sediments or kerogens has been documented (Solli et al 1980;Ostroukhov et al 1983;Albaiges et al 1986;Philp & Gilbert 1986;Sinninghe Damste et al 1988Williams et al 1988;Ellis et al 1992Ellis et al , 1995Dong et al 1993;Radke & Willsch 1993). In addition to long-side-chain n-alkyl substituents, a number of alkylbenzenes with isoprenoid side chain have also been detected in oils and sediments (Schaefle et al 1977;Ostroukhov et al 1982;Summons and Powell 1987;Sinninghe Damste et al 1988;Xinke et al 1990).…”

Section: Long-side-chain Alkylbenzenesmentioning

confidence: 99%

“…Analysis of crude oils from various regions of the Soviet Union established the presence of a homologous series of mono-n-alkylbenzenes, o-, m-, and p-methyl-n-alkylbenzene isomers, and all the possible six isomers of dimethyl-n-alkylbenzenes (Ostroukhov et al 1983) in the C 12 -C 30 range. On the abundance of monocyclic aromatics, Ostroukhov et al (1983) reported that monocyclic aromatic fractions account for 9% (w/w) of the total crude oil, of which around 21% is a mixture of mono-nalkylbenzenes, methyl-n-alkylbenzenes, ethyl-nalkylbenzenes, and dimethyl-n-alkylbenzenes.…”

Section: Long-side-chain Alkylbenzenesmentioning

confidence: 99%

“…On the abundance of monocyclic aromatics, Ostroukhov et al (1983) reported that monocyclic aromatic fractions account for 9% (w/w) of the total crude oil, of which around 21% is a mixture of mono-nalkylbenzenes, methyl-n-alkylbenzenes, ethyl-nalkylbenzenes, and dimethyl-n-alkylbenzenes. Recently, Dutta & Harayama (2001c) also reported the presence of the homologous series of mono-, di-and tri-n-alkylbenzenes in the range of C 13 -C 33 in Arabian light crude oil.…”

Section: Long-side-chain Alkylbenzenesmentioning

confidence: 99%

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Origin, occurrence, and biodegradation of long-side-chain alkyl compounds in the environment: a review

Dutta

2005

Environ Geochem Health

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Long-side-chain alkyl compounds, such as those present in oil and oil products, either of natural or of anthropogenic origin or released by industrial activities, are a ubiquitous group of chemicals in the environment. Among them, long-side-chain alkylmonocycloalkanes, alkylbenzenes, and alkyl organic sulfur compounds are largely found in fossil fuels while long-side-chain alkylbenzene sulfonates and alkylphenols are released into the environment primarily due to domestic activities. The present article briefly summarizes the advances that have occurred in this field in terms of the identity, abundance, possible origin and significance of these long-side-chain alkyl compounds found in the environment. In addition, the susceptibility to biodegradation and the fate of these chemicals in the environment are discussed.

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C12−C30 n-alkylbenzenes in crude oils

Cited by 18 publications

References 1 publication

Geochemistry of alkylbenzenes in the Paleozoic oils from the Tarim Basin, NW China

Geochemistry of alkylbenzenes in the Paleozoic oils from the Tarim Basin, NW China

Composition of hydrocarbons in crude oil of Tersa field in Volgograd Region along the Volga

Origin, occurrence, and biodegradation of long-side-chain alkyl compounds in the environment: a review

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