Based on its vitrinite reflectance and calorific values, some of selected high rank coals from kutai basin have developed semi coking properties. The kutai sedimentary basin extends from the central highlands of borneo, across the eastern. Hydrocarbon potential, lower kutai basin, organic geochemistry. Discoaster zonation of the miocene of the kutei basin, east. Generally, crucible swelling number of kutai basin coals is lower than of australian coking coals. Finally, feel free to visit fosiiagi website to know more. There is structural deepening of formation to the east, showing younger formation to the east, to the still. Pdf tertiary facies architecture in the kutai basin. A comparison of maceral and microlithotype indices for. It starts on the eastern edge of the island and then extends over its shoreline, and out into open water. Paper open access geochemical characterization of kutai. Geochemistry of selected coal samples from sumatra.
In the samarinda region the neogene section alone reaches a thickness of up to 9 km. We invite some of oil companies who operate in the kutai basin to actively participate in the last three workshop. Overpressuregenerating mechanisms in the peciko field, lower. Basin introduction kutch basin forms the northwestern part of the western continental margin of india and is situated at the southern edge of the indus shelf at right angles to the southern indus fossil rift zaigham and mallick, 2000. Early miocene source rocks and petroleum system in. This searchable database comprises the full ipa publications archive comprising ipa convention proceedings from 1972 to the presentday, technical symposiums and other special publications. The east kutai basin is bounded to the north by the mangkaliat ridge, to the south by wnwese trending paternoster ridge, to the east by makasar through, and to the west by older sediment sequences named as lower kutai basin 6. Young,3 nathan marshall,4 and fauzie hasibuan5 1naturalis biodiversity center, department of geology, p. Pdf the lithological succession in east kutai basin, east.
The kutai basin is located in indonesia, stretching from the central region of borneo to the makassar strait. Structural controls on the evolution of the kutai basin, east kalimantan. Twostep wireline log analysis of overpressure in the bekapai. Read distribution of sulfur and pyrite in coal seams from kutai basin east kalimantan, indonesia. Discontinuous of lithological successive in the kutai basin was controlled by stratigraphic framework and geological structures. All spec sheets are available and downloadable as a pdf file. Tertiary sedimentation in the basin has been fairly continuous since its inception in the middle eocene, although the axis of deposition. Bachtiar, andang 1 1 exploration think tank indonesia, jakarta, indonesia kutai basin in east kalimantan indonesia, is one of the major hydrocarbon producing basins in the world with more than 11 bboe proven reserves, located in the vicinity of the mahakam delta. Tertiary sedimentary basins in indonesia location map of. The total depth of the kutai basin at this location could be up to 15 km. The kutai basin formed in the middle eocene as a result of extension linked to the opening of the. The kutai basin is the second largest hydrocarbon province in indonesia and the largest for gas production. The free air gravity maps, static gravity model and flexural model fig.
An initial study to investigate generating hydrocarbon. The stratigraphy and fire history of the kutai peatlands. The basin is also connected to an anomalous group of eastwest trending chains of mountains collectively known as the california transverse ranges. Mar 01, 2010 read distribution of sulfur and pyrite in coal seams from kutai basin east kalimantan, indonesia. Geology, sequence stratigraphy, and oil and gas assessment of. Distribution of sulfur and pyrite in coal seams from kutai. Overpressure in the kutai basin a radical reappraisal. Pdf tertiary facies architecture in the kutai basin, kalimantan. Strata of the middle miocene balikpapan formation from the lower kutai basin are well exposed in a section near the samarinda city, east kalimantan, indonesia.
A structural model for the kutai basin, kalimantan, indonesia pdf. The kutai basin is the biggest tertiary basin in eastern part of indonesia, contains a significant amount of hydrocarbon accumulation, proven by the discovery of giant oil and gas fields. Read structural controls on the evolution of the kutai basin, east kalimantan, journal of asian earth sciences on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Effect of interbedded layers and anticlinorium on ground. Over most of the basin, the overlying neogene section is detached near the top of an overpressured zone and deformed as a thinskinned foldthrust belt. Compact form with short free length of the broad bifurcated tap, lack of any. The maximum vertical effective stress that the overpressured mudstones have experienced is. Sink pdf find specificatiom information for blanco sinks and faucets. Gambar 8 petroleum system pada lower kutai basin c reservoir. We use the resulting database to develop an updated kinematic restoration. Kutei basin fold and thrust belt assessment unit 38170103. The equatorial peatlands of the kutai lowland of eastern kalimantan are generally 410 m in thickness but some sections exceed 16 m in depth.
Presentation outline introduction and the implementation of the indonesia ppm case study geology of the kutai basin and hydrocarbon resource assessment economic analysis, licensing, and fiscal condition results and recommendations ppm project of the indonesia case study the mature kutai basin, east kalimantan. This formation has been recognized as a source rocks of the conventional oil and gas production in the kutai basin. Research article a comparison of maceral and microlithotype. Implications for the origin of the makassar straits and kutai basin. Purchase of an open document does not constitute license for republication in any form, nor does it allow web posting without prior written permission. In this study, this approach was applied in the area of samarinda, kutai basin, indonesia. It is bounded by the nagar parkar fault in the north, radhanpurbarmer. The 60,000 km 2 kutai basin of east kalimantan fig. Pdf characteristic of pore pressure at the sub surface. The pelarang anticline is part of the nnessw oriented samarinda anticlinorium, a detached thrustandfold belt in the tertiary kutai basin.
Flexural modelling of freeair gravity proles over sedi. Structure the most prominent geologic structure in the kutai basin is the samarinda anticlinorium mahakam foldbelt, a series of nnessw trending folds and faults in miocene deltaic strata that. Tertiary sedimentary basins in indonesia location map of the. The enhancement of rank is probably due to the effect of igneous intrusions or high gradient temperature. Implications for paleoenvironmental conditions, international journal of coal geology on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Kutai basin is part of wikiproject geology, an attempt at creating a standardized, informative, comprehensive and easytouse geology resource. Carbonate facies model and paleogeography of tendehhantu formation, northern kutai basin, indonesia dadan p. The regional overview of the lower kutai basin area after moss and chambers, 1999. The fluvial to deltaic sediments of the onshore petroleum prolific of the mahakam delta in the east kutai sub basin constrain organic rich sediments particularly within the balikpapan formation. Mar 03, 2018 the kutai basin is located in indonesia, stretching from the central region of borneo to the makassar strait. Structural controls on the evolution of the kutai basin, east. Survey usgs oil and gas assessment in the san juan basin. Drilling activities at deep water part of kutai basin is still. The pelarang anticline is interpreted as a detachment fold 30km long with steeply dipping 70o80o flanks.
Tertiary sedimentation in the basin has been fairly continuous since its inception in the middle eocene, although the axis of deposition has moved eastwards. The succession is characterized by thick sandstone bodies alternating with shales and coal beds. Early miocene source rocks and petroleum system in kutai basin, east kalimantan, indonesia. Pdf structural controls on the evolution of the kutai basin, east. This study employed data of a total of one hundred and seventynine 179 sandstone samplesobtained from the middle miocene to late miocene balikpapan formation in kutai basin, indonesia. The kutai sedimentary basin extends from the central highlands of borneo, across the eastern coast of the island and into the makassar strait. We conclude that gas generation and chemical compaction are responsible for overpressure generation, contradicting previous interpretations that disequilibrium compaction is the principal mechanism for generating overpressure in the lower kutai basin. This paper analyses the paleogene and neogene evolution of the kutai basin using a combination of geophysical and. Geologic setting the lewis shale total petroleum system lies within the san juan basin in northwestern new mexico and southwestern colorado fig. Carbonate facies model and paleogeography of tendehhantu. Pdf structural controls on the evolution of the kutai basin. Simply make corian kitchen sinks and vanity bowls integral parts of your.
If you would like to participate, you can choose to edit this article, or visit the project page for more information. Tiering styles can be modeled by using ichnodiversity, the number of behaviors and number of tiers and their relationships. Miocene sedimentary rocks in the kutai basin, east borneo, and critically reevaluate the published database, omitting sites that do not pass widely used, up. In the kutai basin, regional compression reactivated basement extensional faults, inverting the paleogene depocenters as anticlines that are often flanked on one side by basement thrusts. Connecting microscopic geological features to pore geometry.
Provide a seminar with special topic regarding all indonesia ppm activities all the indonesia ppm activities are fully suported by related institutions. The kutai basin, kalimantan, is one of several large tertiary basins which opened during the mid to late eocene in borneo. Pdf the kutai basin formed in the middle eocene as a result of extension linked to. Twostepwirelineloganalysisofoverpressureinthebekapaifield. Tektonik plio plisto di wilayah cekungan kutai selat makasar. Palaeoenvironment understanding of top coal mine, muarawahau. Therefore, the purpose of the present study is to analyze the characteristics of selected high rank coals from kutai basin, east kalimantan in order to determine coking properties of the coal. A comparison of maceral and microlithotype indices for interpretation of coals in the samarinda area, lower kutai basin, indonesia chawthuzarwin, 1,2 donatushendraamijaya, 1 sugengsaptosurjono, 1 salahuddinhusein, 1 andkoichirowatanabe 3 department of geological engineering, gadjah mada university, yogyakarta, indonesia. All hydrocarbons produced to date have been reservoired in neogene strata. The kutai basin of east kalimantan probably has the thickest sediment fill 714 km.
From the tpigi diagram that top coal basin, which is on the eastern part of kutai basin, the palaeoenvironment was mostly wet forest swamp condition, and the plant remnants were better conserved in top mine basin. As part of our effort to improve porepressure estimation in diagenetically altered mudstones, we have used wireline logs to estimate disequilibrium compaction and unloading contributions to the hard overpressure encountered in the bekapai field, lower kutai basin. Implications of gravity data from east kalimantan and the. The hydrocarbons that have been produced in the kutai basin have come from the fluviodeltaic petroleum system of middle miocenepliocene age. Currently, the majority of hydrocarbon exploration activities in kutai basin is still concentrated on onshore, shelf, and mahakam delta. The determination of tiering style is an important task in ichnology. Results from an airborne gravity gradiometer survey over the pelarang anticline are presented herein.
The maximum vertical effective stress that the overpressured mudstones have experienced is estimated from the density log using. The project kutai basin is in green exploration stage. The inertinite content in the samples is very small, resulting in high gi values. The deposition of peat commenced about 8000 yrs ago after shallow flooding of the basin by the mahakam river. Structural controls on the evolution of the kutai basin.
Overpressure is encountered in upper miocene strata at relatively large depths of 34 km in the shelfal area, where the main mechanism of overpressure generation. Structural controls on the evolution of the kutai basin, east kalimantan article pdf available in journal of asian earth sciences 1712. Overpressure generating mechanisms in the peciko field, lower. Tertiary facies architecture in the kutai basin, kalimantan, indonesia article pdf available in journal of asian earth sciences 171. The lithological succession in east kutai basin, east. Petroleum system pada lower kutai basin c reservoir pada daerah mahakam, akumulasi gasoil terutama dijumpai pada reservoir yang berumur miosen tengah hingga akhir. Ownership, reserves and resources, history, geology, location, maps, valuation exploration and production history, newsreleases. Depositional environment and source rocks potential of the. Geology, sequence stratigraphy, and oil and gas assessment. The fluvial to deltaic sediments of the onshore petroleum prolific of the mahakam delta in the east kutai subbasin constrain organic rich sediments particularly within the balikpapan formation. Consequently, the neogene strata in the shelfal area mainly comprise intercalated sandstones, mudstones and coals of the deltaic facies.
Structure the most prominent geologic structure in the kutai basin is the samarinda anticlinorium mahakam foldbelt, a series of nnessw trending folds and faults in miocene deltaic strata that parallel the modern coast line. Understanding geological features with engineering aspect has been done by previous studies and remains attractive by both geologists and engineers. This report assesses the undiscovered gas resources within the lewis shale tps in the san juan basin. With an area of 60,000 km 2, and depths up to 15 km, the kutai is the largest and deepest tertiary age basin in indonesia. Drilling activities at deep water part of kutai basin is still slow due. Synthetic aperture radar data were used to interpret. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the u.
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