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All Journal ComTech: Computer, Mathematics and Engineering Applications Sainteks: Jurnal Sain dan Teknik
Wibowo, Jati Arie
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Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering Mathematics

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Numerical Simulation Study using the Explicit Finite Difference Method for Petroleum Reservoir Maulindani, Sri Feni; Prima, Andry; Wibowo, Jati Arie; Rusdi, Pauhesti; Widiyatni, Harin
ComTech: Computer, Mathematics and Engineering Applications Vol. 16 No. 2 (2025): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v16i2.12191

Abstract

The behavior of petroleum reservoirs is inherently complex, making it challenging to determine their performance for both single-fluid and multiphase production systems. To accurately estimate the recovery reserves of a reservoir, a comprehensive understanding of its geometry and internal flow characteristics is essential. Numerical simulation serves as a fundamental tool for reservoir engineers, offering an efficient and reliable method to predict reservoir mechanisms, evaluate pressure variations, and estimate in-place hydrocarbon yield. This study employs mathematical modeling concepts and numerical techniques to analyze the dynamic behavior of petroleum reservoir systems. A flow model based on Partial Differential Equations (PDEs), specifically the diffusivity equation for unsteady-state fluid flow in porous media, is developed and applied. The diffusivity equation is discretized and solved mathematically using the explicit finite difference method to approximate pressure distribution over time and space. The primary objective of this research is to investigate and analyze the pressure distribution that governs reservoir performance under varying conditions. Sensitivity analyses are conducted to evaluate the influence of grid spacing, time step, hydraulic diffusivity, and boundary conditions on pressure reservoir behavior within a Cartesian grid for a one-dimensional, single-phase reservoir. The findings are expected to provide insight into the relationship between reservoir properties and fluid dynamics, supporting improved prediction of reservoir behavior. Ultimately, this research contributes to the optimization of petroleum production strategies and enhances the understanding of reservoir engineering processes through quantitative simulation.
Downstream Analysis of Strategic Investment in Natural Gas Commodities in Increasing the Value of Indonesian Natural Gas Products Bhagya, Tombak Gapura; Wibowo, Jati Arie; Latipah, Siti; Prakarsa, Graha
Sainteks: Jurnal Sain dan Teknik Vol 6 No 1 (2024): Maret
Publisher : Universitas Insan Cendekia Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37577/sainteks.v6i1.649

Abstract

Indonesia as one of the natural gas producing countries needs to carry out product downstreaming. This is done to increase the added value of natural gas products. Natural gas exports must be reduced and converted into exports in the form of derivative products. Methanol, ammonia, urea, ammonium nitrate and soda ash are derivative products from natural gas that need to be developed. These product derivatives are used as a mixture of raw materials in various industrial sectors that are closely related to daily needs, so that the market and prices will not decrease.
Co-Authors Andry Prima Bhagya, Tombak Gapura Graha Prakarsa Harin Widiyatni Latipah, Siti Maulindani, Sri Feni Pauhesti, Pauhesti