Pre-Tertiary and Tertiary fault systems as a framework of the South Sumatra Basin; a study of SAR-maps

Pulunggono, A.; Haryo, S Agus; Kosuma, Christine G.

doi:10.29118/ipa.24.339.360

Cited by 32 publications

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“…Analysis of SAR in the area of the South Sumatra Basin exposes some geological fault systems that align with Sesar Lematang i.e. Sesar Musi, Javanese poetry, Saka and the South coast of Lampung [6]. The manifestations of the current pattern of Lematang structure in the form of folds are associated with the rising caesarean formed by Plio-Pleistocene compression style.…”

Section: Structure Of the Geology Of The Northwest-southeast Directionmentioning

confidence: 99%

New Method of Inversion Vertical Electrical Logging (IVEL) for Identification of Coal Seam Prospect of Muara Enim Regency, South Sumatera

Ibrahim

D.H

Sutopo

2016

International Journal of Natural Sciences Research

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Section: Structure Of the Geology Of The Northwest-southeast Directionmentioning

confidence: 99%

New Method of Inversion Vertical Electrical Logging (IVEL) for Identification of Coal Seam Prospect of Muara Enim Regency, South Sumatera

Ibrahim

D.H

Sutopo

2016

International Journal of Natural Sciences Research

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“…The fold zone is a product of Pliocene Pleistocene orogeny tectonic process which formed multiple northeast southwest oriented anticlines and synclines that are aligned with the major axis of Sumatra island. This tectonic pattern caused the South Sumatra basin to form asymmetrically (Pulunggono, A. et al 1992) (Simadjuntak, T.O, 2015). …”

Section: Tectonic Of South Sumatra Basinmentioning

confidence: 99%

“…Calcarenite sediments were starting to develop from Baturaja limestone. During the early Miocene, the transgression phase was replaced by regression phase as indicated by the deposition of sediments from Air Benakat formation (Middle Miocene Late Miocene) dan lake sediments from Muara Enim formation (Late Miocene Pliocene) (Pulunggono, A. et al 1992) (Simadjuntak, T.O, 2015).…”

Section: Tectonic Of South Sumatra Basinmentioning

confidence: 99%

“…South Sumatra basin has experienced three orogeny processes, with the first one occured during the Middle Mesozoic period, the second one occured during the Late Crectaceous Early Tertiary period while the third one occured during the Pliocene Pleistocene epoch (Hamilton, 1979) (Pulunggono, A. et al 1992) (Simadjuntak, T.O, 2015). The tectonic and geological structure of South Sumatra basin area can be separated into two group, which are as follows:…”

Section: Tectonic Of South Sumatra Basinmentioning

confidence: 99%

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Characterization of Basement Fracture Reservoir In Field ‘X’, South Sumatera Basin, Based On The Analysis of Core And FMI Log

Riskha

Syafri

Ismawan

et al. 2017

J. Geoscience Eng. Environ. Technol.

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Basement reservoir is a reservoir that is located at the basement rock, comprised of either igneous rock or metamorphic rock that has secondary porosity, resulting in its capability to store oil and gas. The research was conducted at field 'X' that is located at South Sumatra basin and it is a part of Jambi Sub-Basin. The study was focused to discuss hydrocarbon potential in Fields 'X', particularly at the basement metamorphic rock. The study was conducted at two wells in the field. The secondary porosity system of the basement is fracture porosity. Fracture analysis as secondary porosity system was performed on two wells, HA-1 and HA-2, by using FMI log interpretation. Based on the analysis of fracture on HA-1 well, the trend of fracture system is Northeast -Southwest (NE-SW) with a fracture porosityof 1.49%. On a different note, the trend of fracture system on HA-2 wells is East Northeast -West Southwest (ENE-WSW) with a fracture porosity of 0.888%. The effect of rock properties itself has little influence on the number of fractures as opposed to the effect of surrounding tectonic forces. The fractures is controlled by geological structures following Jambi pattern that has an orientation of Northeast -Southwest (NE-SW). Although the fracture porosity is relatively small, it is enough to storing hydrocarbons in economical quantity.

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“…These include (1) half graben, horst, and faulted blocks involving the Mesozoic basement [2], [17], and (2) the NW-SE trending structures and depression to the northeast. The structures in the region were broadly resulted from the Late Neogene Barisan orogeny due to oblique convergence between the Indo-Autralian and Eurasian plates [2]- [3], [11], [17]. These structural features, especially folds and faults appear to have controlled a general pattern of stratigraphic exposures, involving both the pre-Tertiary basement sequence and the Tertiary sedimentary cover [3].…”

Section: General Geologymentioning

confidence: 99%

Geochemical Assessment of Late Paleogene Synrift Source Rocks in the South Sumatra Basin

Sutriyono¹

2016

geomate

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ABSTRACT:The potential of Late Paleogene synrift source rocks in generating hydrocarbons within the South Sumatra basin has been evaluated using geochemical and pyrolytic techniques. The samples were collected from the outcropping shales of different layers constituting the Upper Oligocene Talang Akar Formation. Results of TOC analysis reveal minor quantities of organic carbons, indicating poor to fair potential source rocks. The S2/S3 ratios indicate two apparent kerogen types. The majority of the samples is type III kerogen; however, there appears minor type IV kerogen, implying the oxydized organic matter and no expulsion. The S1+S2 measurement of all the pyrolysed rocks, except one sample LP 12A, yields less than 1 mg HC/g rock, supporting the proposed scenario of little potential to generate hydrocarbons. Evaluation of hydrogen and oxygen indices confirms a gas prone source, but all the shales analyzed, disregarding one sample LP 18, provide a direct evidence that the rock section is immature to early mature to expel oil. Important notes can be made that the early stage of organic maturation might have occurred due to heating, as a result of deeper burial during Miocene time prior to the subsequent uplift in response to the Plio-Pleistocene orogeny.

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Pre-Tertiary and Tertiary fault systems as a framework of the South Sumatra Basin; a study of SAR-maps

Cited by 32 publications

References 0 publications

New Method of Inversion Vertical Electrical Logging (IVEL) for Identification of Coal Seam Prospect of Muara Enim Regency, South Sumatera

New Method of Inversion Vertical Electrical Logging (IVEL) for Identification of Coal Seam Prospect of Muara Enim Regency, South Sumatera

Characterization of Basement Fracture Reservoir In Field ‘X’, South Sumatera Basin, Based On The Analysis of Core And FMI Log

Geochemical Assessment of Late Paleogene Synrift Source Rocks in the South Sumatra Basin

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