QUANTITATIVE ESTIMATES OF TAR/OIL FROM SURFACE TAR/OIL SAND DEPOSITS, TRINIDAD, WEST INDIES

WINSTON T. RAJPAULSINGH
Department of Civil Engineering, University of the
West Indies, St. Augustine, Trinidad

Current literature reveals a number of oil seeps and oil impregnated sands with a large and exposed asphalt deposit (pitch lake) in the SouthernBasin, Trinidad. These were found to be closely associated with the sub-surface oil producing fields of Southern Trinidad.
These surface oil-impregnated sands are usually referred to as tar sands or oil sands. In terms of their economic potential, sixteen separate tar/oil sand deposits are targeted for appraisal and evaluation.
Quantitative estimates of tar/oil in place in these deposits will be based firstly on surface geological appraisal and data, and secondly on additional sub-surface information and interpretations. The objective being to outline evaluation methods using different data sets leading up to the definitive quantitative estimates.

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