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All Journal JURNAL ABDI MASYARAKAT INDONESIA (JAMIN) Journal of Earth Energy Science, Engineering, and Technology
Rosmalia Dita Nugraheni
Universitas Trisakti
Earth & Planetary Sciences Energy Engineering Environmental Science Other

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APPLICATION OF GEOELECTRICAL METHOD FOR GROUNDWATER EXPLORATION IN SUKACAI VILLAGE, JIPUT – PANDEGLANG, BANTEN PROVINCE Rosmalia Dita Nugraheni; Mohammad Apriniyadi; Muhammad Burhannudinnur; Suherman Dwi Nuryana; Benyamin Benyamin
Jurnal Abdi Masyarakat Indonesia (JAMIN) Vol 1 No 1 (2019): JURNAL ABDI MASYARAKAT INDONESIA (JAMIN)
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (907.539 KB) | DOI: 10.25105/jamin.v1i1.5317

Abstract

The increasing number of inhabitant in Sukacai village, Jiput – Pandeglang leads to the risen of clean water demand. However, along with the raising of demand, the groundwater availability has decreased. During the dry season, the water quality is poor and the rate of flow tends to be critical. As a consequence, the community is suffering from the scarcity of clean water supply for daily consumption and household necessity. This community service program aims to fulfill the needs of groundwater supply by applying the geophysical method, to recommend the depth of aquifer and construct the well of groundwater. The method is carried out using geo-electrical instruments to reveal the depth of aquifer as the source of groundwater. Another social approach is performed by educating the community about the optimization of well construction, as well as the effect of shallow and deep well construction towards the rate and quality of groundwater. The session has been wrapped with sharing and discussion. As a result, the authors recommend the depth of well construction is approximately 20 m for shallow well and 50 m for moderate well. The moderate well option is more recommended to avoid any contamination of pollution source as well as to maintain the flow rate during dry season.
Reservoir Quality Assessment Based on The Occurrence of Burial Diagenesis: Sandstone Case Study From Tanjung Formation, Barito Basin, South Kalimantan Rosmalia Dita Nugraheni; Eko Widianto
Journal of Earth Energy Science, Engineering, and Technology Vol. 4 No. 3 (2021): JEESET VOL. 4 NO. 3 2021
Publisher : Penerbitan Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1374.957 KB) | DOI: 10.25105/jeeset.v4i3.9766

Abstract

Barito Basin is known as one of hydrocarbon producing basin which is located in the Southeast Kalimantan. One of its prolific reservoir comes from sandstone facies of Tanjung Formation in the Paleo-Oligocene time. The sandstone undergone diagenesis, subsequently after deposition due to burial process. Burial diagenesis promotes further compaction, cementation and alteration which affect the reservoir quality. This study aims to assess the reservoir quality and its sensitivity against the diagenesis products. Research method was carried out by examine the core samples and scrutiny laboratory observation, such as Scanning Electron Microscope (SEM). X-ray Diffraction (XRD), porosity, permeability, grain density measurement and surface gamma-ray. The results show that the amount and type of alteration is vary by depth, age and lithofacies. Sandstones of sublitharenites and litharenites were buried to depths of 848.29 – 849.80 m and contained significant amounts of authigenic grain-coating and pore-lining clay as well as pore-filling zeolite cements. However, the underlying sandstones from 969.19 – 970.14 m depths exhibit less extensive alteration. In the early burial process, the reservoir quality is modified by the formation of secondary dissolution pores and minerals as a result of silicate dissolution during shallow burial diagenesis. The subsequent burial has reduced the pore spaces through mechanical compaction and cementtion. This study certainly valuable addition to our understanding about reservoir quality in correspond to the burial diagenesis.
Co-Authors Benyamin Benyamin Eko Widianto Mohammad Apriniyadi Muhammad Burhannudinnur Suherman Dwi Nuryana