Ancient Talang Akar deepwater sediments in South Sumatra Basin: a new exploration play

Argakoesoemah, R. M. I.; Kamal, Asril

doi:10.29118/ipa.1730.251.267

Cited by 2 publications

(1 citation statement)

References 10 publications

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“…Many authors have discussed the petroleum system of this basin (e.g. Argakoesoemah & Kamal, 2004;Bishop, 2000;Carrillat et al, 2013;Clure, 2005;Ginger & Fielding, 2005) and they are useful for providing regional geological perspectives. The oil and gas fields in South Sumatra are usually discussed independently by the operators (e.g.…”

Section: Introductionmentioning

confidence: 99%

Hydrocarbon Columns of Oil and Gas Fields in the South Sumatra Basin

Napitupulu¹,

Jannah²,

Silaen³

et al. 2021

Bsed

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The South Sumatra Basin is a prolific basin with a long history of oil and gas exploration that started in early 1900s. It is located in the southern part of Sumatra Island, Indonesia, where more than 300 oil and gas fields have been discovered. The basin contains multiple hydrocarbon reservoir horizons, from Pre-tertiary Basement to Miocene age. The kitchen areas also have various depths, with different levels of maturity. This petroleum system variation is reflected by the field size distribution and the heights of the hydrocarbon columns.Many authors have discussed the petroleum system of this basin and they are useful for providing regional geological perspectives. The oil and gas fields in South Sumatra are usually discussed independently by the operators. Different seismic vintages, density and quality make seismic correlations across the basin challenging. Apart from that, the data restriction is another hurdle in making correlation of the fields. Therefore, statistical studies of the fields and play level understanding become challenging.This study utilizes the Indonesian Petroleum Association Atlas of South Sumatra oil and gas fields, which was published in 1990. Several new fields, especially in fractured basement reservoirs, were added, based on recent publications. Additional information from the IHSE fields database was used to support the study. These data allow a statistical study on hydrocarbon column heights in the South Sumatra Basin. The result of this study could explain more about the charge and seal elements in the basin.

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Section: Introductionmentioning

confidence: 99%

Hydrocarbon Columns of Oil and Gas Fields in the South Sumatra Basin

Napitupulu¹,

Jannah²,

Silaen³

et al. 2021

Bsed

View full text Add to dashboard Cite

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Integrated Geological and Geophysical Approach to Reservoir Modeling: Case Study of Jambi Sub-basin, Sumatra, Indonesia

Haris

2020

Journal of the Geological Society of India

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Integrated geological and geophysical investigations were successfully performed for reservoir modeling in an oil field in the Jambi Province sub-basin, Sumatra, Indonesia. The objective of this study is to characterize the oil reservoir in terms of its petrophysical properties using a facies model that is based on an integrated geological and geophysical approach. The reservoir target of this study is located in the Air Benakat Formation, which is identified with a thickness of 3 to 20 m and is deposited in a depth range of 1300–1500 m. The reservoir modeling of Air Benakat Formation is carried out to open a new discovery for this field, since the comprehensive reservoir modeling has not been intensively performed. Structurally, the reservoir is segmented into three compartments by four main faults, and stratigraphic investigations revealed three prospect layers. In the present framework of the depositional environment, assessments of well log data included formation evaluations, well log data correlations and sequence stratigraphy, were performed to produce high-resolution features of vertical and lateral distributions. In addition, seismic data were interpreted to guide the structural model, and to effectively construct a three-dimensional (3D) geological framework of reservoir properties. The modeled reservoir shows that the reservoir is primarily considered a transition zone to a shallow marine deposit, which is specifically located in a submarine fan channel with a plain/moderately steep angle of its sedimentation base. Depositional environments are generally characterized by the potential paleocurrent direction within the channel axis from NE to SW, with respective agreement from larger scale porosity and net/gross models.

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Ancient Talang Akar deepwater sediments in South Sumatra Basin: a new exploration play

Cited by 2 publications

References 10 publications

Hydrocarbon Columns of Oil and Gas Fields in the South Sumatra Basin

Hydrocarbon Columns of Oil and Gas Fields in the South Sumatra Basin

Integrated Geological and Geophysical Approach to Reservoir Modeling: Case Study of Jambi Sub-basin, Sumatra, Indonesia

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