Carboxylic acid distribution in oil- and water-phases
- Univ. of Bergen (Norway); and others
Carboxylic acids are the most abundant oxygen containing organic molecules found in oils and oilfield waters. Their partition behaviour in the oil/water system is a function of molecular weight, where the homologous n-carboxylic acids distribute systematically between the phases. Previous work has, however, indicated an in situ source for the aqueous acids, controlled by the overall red-ox conditions in the reservoir. Higher molecular weight acids in the oil phase are more likely generated in the petroleum source rock. The amounts and distributions of carboxylic acids (as carbon number range) in oils and corresponding formation waters have been measured. The results are compared to equivalent data on phenols and BTX distributions (presented elsewhere) using multivariate techniques. The effect of biodegradation on the distribution of organic solutes in petroleum system waters is also addressed. The results are discussed both in the context of partition and red-ox as controlling factors.
- OSTI ID:
- 370500
- Report Number(s):
- CONF-960376-; TRN: 96:003805-0552
- Resource Relation:
- Conference: Spring national meeting of the American Chemical Society (ACS), New Orleans, LA (United States), 24-28 Mar 1996; Other Information: PBD: 1996; Related Information: Is Part Of 211th ACS national meeting; PB: 2284 p.
- Country of Publication:
- United States
- Language:
- English
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