Ulin Nuha, Muhammad (2022) Analisis Movable Oil Saturation, Residual Oil Saturation, Movable Hydrocarbon Index, Dan Oil Water Contact Dengan Interpretasi Log Menggunakan Log Triple Combo Pada Sumur X Lapangan Y. Other thesis, Fakultas Teknik Perminyakan.

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Abstract

Well X have finished the drilling activity until the depth of target which has determined. After the drilling activity finished, therefore logging activity need to be done to acquire information about each zone. The result of logging activity will give information about physical characteristic from the rock which exist on the wellbore, with the result that can be used for identification of rock layers which have potential as a place of hydrocarbon accumulation. on this research have main goal to determine physical characteristic value on every zone like porosity and permeability. Thereafter to determine the value of Moveable Oil Saturation (MOS), Residual Oil Saturation (ROS), and also Moveable Hydrocarbon Index (MHI) as production potential parameter. Thereafter to discover the level of Oil Water Contact by deflection of pore pressure trend and deflection of SW value. The method that used on this research is qualitative method and quantitative method. The result of this research was value of porosity from zone 1 until zone 8 with the lowest value is 0.188 and the highest value is 0.267 and the permeability value has lowest value at 19.987 mD and the highest value at 453.73 mD. Thereafter the value of MOS on selected zone that are zone 1, zone 5, zone 6, and zone 8, is 0.227, 0.205, 0.205, and 0.199. Thereafter the value of ROS of selected zone is 0.515, 0.374, 0.391, 0.385. Thereafter as determinant of selected zone was MHI which have value 0.535, 0.678, 0.667, 0.681. And also WOC is known by deflection pore pressure at 2532,5 ft.

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