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All Journal Journal of Social Research Jurnal Pendidikan Indonesia (Japendi)
Wiradityo, Dhiyatamma Purusa
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Humanities Computer Science & IT Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Social Sciences

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Optimization Of Geophysical Design Survey Priority Areas For Unconventional Oil And Gas Exploration Using Topex Gravity Data Analysis Dianwiyono, Yustisio; Wiradityo, Dhiyatamma Purusa
Jurnal Pendidikan Indonesia Vol. 6 No. 10 (2025): Jurnal Pendidikan Indonesia
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/japendi.v6i10.8697

Abstract

The exploration of unconventional oil and gas resources requires efficient identification of priority areas with high hydrocarbon potential and reduced exploration risk. This study aims to optimize geophysical survey design by integrating TOPEX gravity data analysis with geological interpretation techniques. The TOPEX satellite gravity dataset was processed and filtered to delineate subsurface density anomalies that may indicate structural traps, fault zones, and basin configurations associated with hydrocarbon accumulation. Quantitative interpretation was carried out using spectral analysis and derivative filtering methods to enhance shallow and deep anomaly features. The integration of gravity anomalies with regional geological data enabled the identification of priority zones for further seismic and drilling investigations. Results show that TOPEX gravity data provides a cost-effective and reliable approach for delineating potential unconventional reservoirs, particularly in frontier or data-limited regions. The optimized geophysical survey framework proposed in this research can serve as a strategic tool for national energy exploration programs, ensuring efficient resource allocation and improved success rates in unconventional hydrocarbon exploration.
Identification of Coastal Seawater Intrusion in North Java Using Vertical Electrical Sounding (VES): A Case Study of Suradadi District, Tegal, Central Java Dianwiyono, Yustisio; Augustria, Azriel Ihza Putra; Wiradityo, Dhiyatamma Purusa; Destianto, Bayu Majid; Roihan, Nur Ahmad
Journal of Social Research Vol. 4 No. 8 (2025): Journal of Social Research
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/josr.v4i7.2675

Abstract

Suradadi District is one of the districts in Tegal Regency, located in the Pantura (North Coast) area of Java. The availability of clean water is a significant issue in coastal regions, as wells that have been dug often yield brackish to saline water. The objective of this study is to identify the distribution of seawater intrusion in the coastal area of Suradadi District, Tegal Regency. The method employed is the Vertical Electrical Sounding (VES) geoelectrical method at five measurement points, each spaced approximately 600 meters apart. Data acquisition was carried out at five parallel lines, with point spacing ranging from 300 to 1000 meters. Seawater intrusion in the study area is widespread, extending up to approximately ±2300 meters inland from the coastline. Intrusion was identified at depth intervals as follows: point 1 at depths of 0.5–27 meters, point 2 at 1–27 meters, point 3 at 3.5–13 meters, point 4 at 10–14 meters, and point 5 at 14–17 meters. The extent of intrusion in this area is primarily attributed to the lithological composition, which is dominated by alluvial deposits consisting of sand, silt, and clay.
Co-Authors Augustria, Azriel Ihza Putra Destianto, Bayu Majid Dianwiyono, Yustisio Roihan, Nur Ahmad