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| English | Russian |
| Technical and Economic Substantiation for Construction of Facilities | ТЭО обустройства |
| technical and economic substantiation for construction of facilities | ТЭО обустройства (ТЭО строительства) |
| Technical and Economic Substantiation for Construction of Facilities. | ТЭО обустройства Пильтун-Астохской лицензионной площади (Piltun-Astokhskoye License Area, Phase I: Astokhskoye Feature; этап 1: Астохский участок) |