Utilization of produced condensate for enhanced oil recovery: a case study for the forest reserve field in Trinidad
نویسندگان
چکیده
Abstract The current global economic trends of low commodity prices for hydrocarbons, competition due to the emergence shale oil and gas, as well decline in production from mature oilfields Trinidad Tobago (TT) have fuelled need implementation efficient enhanced recovery methods. Of particular concern locally is issue decreasing increasing costs fields prevalence organic deposits (paraffin or asphaltenes), which results coating tubing causing plugging surface equipment, pipelines, perforations pore spaces geological formation. Major deposition compound paraffins asphaltene are soluble condensate, relatively cheap produced a by-product flared TT, it already used pipeline diluent cleaner deposits. strategy utilizing this “waste” solvent an economical environmentally friendly EOR was worth investigation. FR 1346 RD selected evaluation, pilot test conducted using compositional reservoir simulation model (CMG–GEM). Laboratory studies were constructed pressure permeability flow chamber, device indicated that plug decreased by approximately 24%, but after treatment with there improvement 10% (300 md 420 md). Tuning incorporating laboratory-derived data resulted increase rate 35 bopd, matched very closely field result 46% (from 20 39 bopd) when condensate soak performed. This translated overall gain 30,531 bbls associated financial $4.7 MM TT per over 16-year period. Injection types including carbon dioxide nitrogen yielded same order. study offers compelling evidence use economically TT.
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ژورنال
عنوان ژورنال: Journal of Petroleum Exploration and Production Technology
سال: 2021
ISSN: ['2190-0566', '2190-0558']
DOI: https://doi.org/10.1007/s13202-020-01075-0