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Paleoenvironmental Study of Miocene Sediments from JTB-1 and NRM-1 wells, in West Ogan Komering Block, Meraksa Area, South Sumatra Basin
Aswana, Abdurrachman M.a, Sapta Fitriana B.b, Fery Mustofa M.b, Dwijo Santoso W.a, Rudyawan A.a, Rahayu W.D.a, Hamdani A.a, Rohiman Y.a, Zin Oo T.c
a Geology Department, Faculty of Earth Sciences and Technology, Institute of Technology Bandung, Bandung, 40132, Indonesia
b JOB Pertamina-Talisman (Ogan Komering) Limited, Gedung Setiabudi Atrium, Jakarta, 12920, Indonesia
c Geology Department, East Yangon University, Yangon Division, Thanlyin Township, Myanmar
[vc_row][vc_column][vc_row_inner][vc_column_inner][vc_separator css=”.vc_custom_1624529070653{padding-top: 30px !important;padding-bottom: 30px !important;}”][/vc_column_inner][/vc_row_inner][vc_row_inner layout=”boxed”][vc_column_inner width=”3/4″ css=”.vc_custom_1624695412187{border-right-width: 1px !important;border-right-color: #dddddd !important;border-right-style: solid !important;border-radius: 1px !important;}”][vc_empty_space][megatron_heading title=”Abstract” size=”size-sm” text_align=”text-left”][vc_column_text]© Published under licence by IOP Publishing Ltd.Paleodepositional study based on microfossil has been done on Miocene sediments from JTB-1 and NRM-1 wells, West Ogan Komering Block, Meraksa area, South Sumatra Basin. This study was carried out to test the different depositional environment of the well-known stratigraphic units in South Sumatra Basin, which was assumed to occur due to different structural position. In this study, stratigraphic unit classification was determined by their lithology characteristics, they are: Lahat Formation, Talangakar Formation, Baturaja Formation, Gumai Formation, and Airbenakat Formation. This study reveals that the shelf deposits, such as The Baturaja and Gumai Formation of NRM-1 well have thicker interval and indicate marine depositional environment compared to the same rock unit of JTB -1 well. The Baturaja Formation in JTB-1 well was deposited in a shallow neritic environment while at the NRM-1 well, it was deposited on a shallow neritic to middle neritic interval. The Gumai Formation interval at the JTB-1 well was deposited in middle neritic to outer neritic bathymetric zone while at the NRM-1 well; the entire interval indicates outer neritic sediment. Integrated study of microfossils analysis, stratigraphic and seismic correlation shows that the position of JTB-1 well is structurally higher than the NRM-1. It is consistent with the interval sediment in JTB-1 well which are generally thinner and interpreted as shallower marine deposit. The results from this study will give significant contributions for the hydrocarbon exploration and development in terms of improving knowledge of paleodepositional environment. Therefore, distribution, characteristics and hydrocarbon potential could be estimated more accurately as well as optimising the hydrocarbon recovery.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Author keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Airbenakat,Baturaja,Miocene,paleoenvironmental,South Sumatra Basin[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Indexed keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Airbenakat,Baturaja,Miocene,paleoenvironmental,South Sumatra Basin[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Funding details” size=”size-sm” text_align=”text-left”][vc_column_text][/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”DOI” size=”size-sm” text_align=”text-left”][vc_column_text]https://doi.org/10.1088/1755-1315/71/1/012033[/vc_column_text][/vc_column_inner][vc_column_inner width=”1/4″][vc_column_text]Widget Plumx[/vc_column_text][/vc_column_inner][/vc_row_inner][/vc_column][/vc_row][vc_row][vc_column][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][/vc_column][/vc_row]