Persistence patterns of aqueous leachable carboxylic acids in immature to peak mature coals

implications for carboxylic acid patterns in hydrocarbon reservoir waters

S. A. Pickering*, B. D. Batts

*Corresponding author for this work

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Maturation dependent generation and persistence of C1-C5 mono- and dicarboxylic acids is investigated by low temperature aqueous leaching of Australian lignitic, subituminous and bituminous coals. Distinct maturation related acid patterns were identified, based primarily on the distribution of the C2-C4 dicarboxylic acid assemblages in the leachates. Identification of these acid patterns in reservoir waters and source rocks may prove useful in resolving the thermal history and timing of aqueous expulsion events in sedimentary basin setting.

Original languageEnglish
Pages (from-to)695-700
Number of pages6
JournalOrganic Geochemistry
Volume18
Issue number5
DOIs
Publication statusPublished - 1992

Keywords

  • aqueous leaching
  • coal acids
  • coal dewatering
  • dicarboxylic acid
  • monocarboxylic acid
  • sediment dewatering

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