KARAKTERISASI RESERVOIR DAN PERHITUNGAN VOLUME CADANGAN HIDROKARBON BERDASARKAN ANALISIS PETROFISIKA PADA BATUPASIR 1ST WALL CREEK FORMASI FRONTIER (F1WC), LAPANGAN TEAPOT DOME, CEKUNGAN POWDER RIVER, NATRONA COUNTRY, WYOMING, AMERIKA SERIKAT; RESERVOIR CHARACTERIZARION AND HYDROCARBON RESERVE VOLUME CALCULATION BASED ON PETROPHYSICAL ANALYSIS ON 1ST WALL CREEK SANDSTONE FRONTIER FORMATION (F1WC), TEAPOT DOME FIELD, POWDER RIVER BASIN, NATRONA COUNTRY, WYOMING, UNITED STATES
SIDAURUK, ERIK TYSON, Sudarmaji
2016 | Skripsi | FMIPAPetrophysical analysis and seismic data interpretation have been done on hydrocarbon potential sandstone reservoir named 1st Wall Creek Frontier Formation (F1WC). It aims to calculate the value of the petrophysical properties well as the number of hydrocarbon reserves volume contained in the reservoir. The petrophysical properties obtained from this study is the shale content, porosity, water saturation, and permeability. The properties were then mapped by its distributions to see the character of this reservoir. The properties were also used for the calculation of hydrocarbon reserves contained in the reservoir. Petrophysical analysis performed on 9 (nine) wells that are spread from the north to the southern area of the field of the study. The method used in this study was a deterministic method using software such as Paradigm Geolog 7. The results of the analysis indicated that the reservoir petrophysical properties have a fair to good in quality as a reservoir. Interpretation of the seismic data has done by generating a map structure through faults and horizons picking. The result showed the normal fault that divides the study are into 2 (two) blocks, north and south. The study results showed that the reservoir F1WC have effective porosity were about 8% up to 11%, water saturation were about 28% up to 54% and permeability were about 7 mD up to 19 mD. It showed that the reservoir have a fair to good in quality. In addition, petrophysical properties mappings showed that the southern part of the block containing hydrocarbons relatively more than north block. The total volume of Gas in Place contained in F1WC is 1877.45 million SCF (standard cubic feet).
Kata Kunci : reservoir characterization, petrophysical properties, reservoir, volumetric
