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Uncovering The Potential of Low Resistivity Reservoirs Through Integrated Analysis: A Case Study from The Talang Akar Formation in The South Sumatra Basin

Scientific Contributions Oil and Gas · Vol. 45 No. 3 (2022) · hlm. 169–181

DOI
10.29017/SCOG.45.3.1258
ISSN
2541-0520, 2089-3361
Terbit
2022-12-01
Penerbit
Testing Center for Oil and Gas LEMIGAS
Bahasa
eng
Lisensi
creativecommons.org/licenses/by/4.0

Abstrak

The study area is an oil and gas field that has a low resistivity reservoir zone in the Talang AkarFormation, South Sumatera Basin. The reservoir zone is composed of siltstone and sandstone that was depositedin a shallow to transitional marine environment. The aim of this study is to identify and determine the potential oflow resistivity reservoirs in the study formation. The data used in the study include well log, mud log, core data(porosity, permeability, petrography), formation water analysis, and biostratigraphy. The methodology includesqualitative analysis to determine reservoir potential zones (quick look interpretation) and the reason for low resistivityreservoirs, as well as quantitative analysis to calculate petrophysical parameters. The results of the quicklook analysis showed 77 low resistivity reservoir zones, but the petrophysical analysis identified 25 low resistivityreservoir zones as potential candidates for drill steam test (DST). Factors causing low resistivity reservoirs inthe study area include clay mineral content (kaolinite and illite), conductive minerals (pyrite and siderite), highsalinity formation water (>10,000 ppm), very fine to medium sand grain size (0.063 - 0.5 mm) distribution ofclay minerals (laminated and dispersed clay), and thin laminates. The results of the petrophysical analysis showthat shale volume is less than 30%, porosity is greater than 14%, permeability is greater than 10 mD, and watersaturation is less than 70%.

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  • Tanri Abeng University
  • Universitas Gadjah Mada
  • Bandung Institute of Technology
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Rekan penulisOrganisasiArtikel bersama
Igor Ian WigunaAfiliasi tidak diketahui1
Gde Ngurah Irfan BhaskaraAfiliasi tidak diketahui1
Mutiara Reka Ananda PutriAfiliasi tidak diketahui1
Priscilla ArdiantoAfiliasi tidak diketahui1
Iqbal FardiansyahAfiliasi tidak diketahui1
Leon TaufaniAfiliasi tidak diketahui1
Dicky HarishidayatAfiliasi tidak diketahui1
Sugeng Sapto SurjonoUniversitas Gadjah Mada1
Dhea Adisty PratamiUniversitas Gadjah Mada1
Sarju WinardiUniversitas Gadjah Mada1
Dahrul EffendiAfiliasi tidak diketahui1
Priskila Rully SetiyaningrumTanri Abeng University1
Aliyah Muhamad BisyirTanri Abeng University1
Tutuka AriadjiBandung Institute of Technology1
Amega YasutraBandung Institute of Technology1
Dedy IrawanBandung Institute of Technology1

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Sumber metadata: OAI-PMH (metadata jurnal) https://journal.lemigas.esdm.go.id/index.php/SCOG/oai, pertama di-harvest 10 Nov 2026, terakhir terlihat 10 Nov 2026.
Metadata asli (oai_dc) 
<oai_dc:dc xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/  http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
	<dc:title xml:lang="en">Uncovering The Potential of Low Resistivity Reservoirs Through Integrated Analysis: A Case Study from The Talang Akar Formation in The South Sumatra Basin</dc:title>
	<dc:creator xml:lang="en">Zaemi, Fiqya Fairuz</dc:creator>
	<dc:creator xml:lang="en">Rohmana, Rian Cahya</dc:creator>
	<dc:creator xml:lang="en">Atmoko, Widi</dc:creator>
	<dc:subject xml:lang="en">Formation Evaluation</dc:subject>
	<dc:subject xml:lang="en">Low Resistivity</dc:subject>
	<dc:subject xml:lang="en">Petrophysics</dc:subject>
	<dc:subject xml:lang="en">Talang Akar Formation</dc:subject>
	<dc:description xml:lang="en">The study area is an oil and gas field that has a low resistivity reservoir zone in the Talang AkarFormation, South Sumatera Basin. The reservoir zone is composed of siltstone and sandstone that was depositedin a shallow to transitional marine environment. The aim of this study is to identify and determine the potential oflow resistivity reservoirs in the study formation. The data used in the study include well log, mud log, core data(porosity, permeability, petrography), formation water analysis, and biostratigraphy. The methodology includesqualitative analysis to determine reservoir potential zones (quick look interpretation) and the reason for low resistivityreservoirs, as well as quantitative analysis to calculate petrophysical parameters. The results of the quicklook analysis showed 77 low resistivity reservoir zones, but the petrophysical analysis identified 25 low resistivityreservoir zones as potential candidates for drill steam test (DST). Factors causing low resistivity reservoirs inthe study area include clay mineral content (kaolinite and illite), conductive minerals (pyrite and siderite), highsalinity formation water (&amp;gt;10,000 ppm), very fine to medium sand grain size (0.063 - 0.5 mm) distribution ofclay minerals (laminated and dispersed clay), and thin laminates. The results of the petrophysical analysis showthat shale volume is less than 30%, porosity is greater than 14%, permeability is greater than 10 mD, and watersaturation is less than 70%.</dc:description>
	<dc:publisher xml:lang="en">Testing Center for Oil and Gas LEMIGAS</dc:publisher>
	<dc:date>2022-12-01</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.lemigas.esdm.go.id/index.php/SCOG/article/view/1258</dc:identifier>
	<dc:identifier>10.29017/SCOG.45.3.1258</dc:identifier>
	<dc:source xml:lang="en">Scientific Contributions Oil and Gas; Vol. 45 No. 3 (2022); 169-181</dc:source>
	<dc:source xml:lang="id">Scientific Contributions Oil and Gas; Vol 45 No 3 (2022); 169-181</dc:source>
	<dc:source>2541-0520</dc:source>
	<dc:source>2089-3361</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journal.lemigas.esdm.go.id/index.php/SCOG/article/view/1258/1037</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2022 © Copyright by Authors. Published by LEMIGAS</dc:rights>
	<dc:rights xml:lang="en">https://creativecommons.org/licenses/by/4.0</dc:rights>
</oai_dc:dc>