Reservoir Characterization with Acoustic Impedance Inversion and Multi attribute Method on "essen" Field, Talang Akar Formation, Sub-Ciputat Basin, North West Java

E. S. Nugroho, A. Riyanto, M. Suardana

Research output: Contribution to journalConference articlepeer-review

Abstract

Acoustic impedance and multi-attribute seismic inversion seismic are a number of seismic methods that can be used to map sandstone reservoir distribution. Using this method, we can separate the sandstone and shale in the Talang Akar Formation found on the "Essen" Field, Ciputat Sub-Basin. Both of these methods will be compared with each other in order to get more valid results in sandstone reservoir mapping. The inversion method used in this study is a model-based method. While the multi-attribute method used is the neural network in mapping gamma-ray volume, shale volume, and porosity. The inversion results are not able to image the sandstone distribution good enough because the range is too large and there is overlapping on the acoustic impedance values of sandstones with ranges (8000-12000) (m/s)∗(g/cc). The results of the gamma-ray multi-attribute, shale volume and porosity, have been shown to consistently show the distribution of sandstones that have a trend in the distribution of NW-SE reservoir zones. From the results of the analysis there are several potential areas that have the potential to become the next development area, namely the distribution of sandstones in the northern part with high effective porosity, and good seals; In the south with a large volume of sandstones; as well as the distribution formed on the channel surrounding the fault.

Original languageEnglish
Article number012063
JournalIOP Conference Series: Materials Science and Engineering
Volume854
Issue number1
DOIs
Publication statusPublished - 1 Jul 2020
Event2nd International Conference on Science and Innovated Engineering, i-COSINE 2019 - Malacca, Malaysia
Duration: 9 Nov 201910 Nov 2019

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