A group of companies delineating Colombia's Cusiana field has accelerated drilling there with plans to establish commerciality by mid-1993. Activities include substantial appraisal work to determine Cusiana's areal extent, reserves, and well productivity. Tests of 1 Cusiana wildcat well and 2A Cusiana and 1 Buenos Aires stepouts indicate the field could rank among the Western Hemisphere's largest oil and gas discoveries. Early, unofficial estimates of potential field reserves have been 1-10 billion bbl of oil. Cusiana partners are operator BP Exploration Co. (Colombia) Ltd. and Total Exploratie en Produktie ...

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