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Scientific Contributions Oil and Gas最新文献

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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 综合分析揭示低电阻率储层潜力——以南苏门答腊盆地Talang Akar组为例
Scientific Contributions Oil and Gas Pub Date : 2022-12-01 DOI: 10.29017/scog.45.3.1258
Fiqya Fairuz Zaemi, Rian Cahya Rohmana, W. Atmoko
{"title":"Uncovering The Potential of Low Resistivity Reservoirs Through Integrated Analysis: A Case Study from The Talang Akar Formation in The South Sumatra Basin","authors":"Fiqya Fairuz Zaemi, Rian Cahya Rohmana, W. Atmoko","doi":"10.29017/scog.45.3.1258","DOIUrl":"https://doi.org/10.29017/scog.45.3.1258","url":null,"abstract":"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%.","PeriodicalId":21649,"journal":{"name":"Scientific Contributions Oil and Gas","volume":"79 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85860475","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Effects of Combination of Steam Flooding, CO2 and Cyclic Steam Stimulation Injection Pilot Test in Heavy Oilfield in Sudan 苏丹稠油蒸汽驱+ CO2 +循环注蒸汽先导试验效果
Scientific Contributions Oil and Gas Pub Date : 2022-12-01 DOI: 10.29017/scog.45.3.1257
Mohammed Abdalraheem, S. Sutopo, I. Kurnia
{"title":"The Effects of Combination of Steam Flooding, CO2 and Cyclic Steam Stimulation Injection Pilot Test in Heavy Oilfield in Sudan","authors":"Mohammed Abdalraheem, S. Sutopo, I. Kurnia","doi":"10.29017/scog.45.3.1257","DOIUrl":"https://doi.org/10.29017/scog.45.3.1257","url":null,"abstract":"Applications of Enhanced Oil Recovery (EOR) are highly required and needed in Sudan to keep oil supply at stable levels. ”FUL” Oilfield in Sudan has shallow reservoir affected by big boundary and bottom water drive with high crude oil viscosity. This research, through a comprehensive analysis of the current producing wells, perforation intervals, CO2 temperature analysis, steam parameters optimization which using two approaches (deterministic and stochastic) were analyzed, using a combination of continues steam flooding, CO2 assisted steam flooding, and cyclic steam stimulation in the pilot test sector. CMG-STARS and CMOST AI simulators software was used in this study. By determining recovery factor (RF) as objective function. It could conclude that: CO2 assisted steam flooding even it could decrease the water cut, but its effect to increase the oil recovery factor is not considerable. Continuous steam flooding has the best oil recovery from these three methods.","PeriodicalId":21649,"journal":{"name":"Scientific Contributions Oil and Gas","volume":"2 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72618623","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A New Type Of Digital Band - Pass Filter 一种新型数字带通滤波器
Scientific Contributions Oil and Gas Pub Date : 2022-04-20 DOI: 10.29017/scog.9.1.898
S. Munadi
{"title":"A New Type Of Digital Band - Pass Filter","authors":"S. Munadi","doi":"10.29017/scog.9.1.898","DOIUrl":"https://doi.org/10.29017/scog.9.1.898","url":null,"abstract":"Digital filtering is mathematical process which provides a means of filtering data numerically. The filtering process can be carried out in the frequency domain to discriminate signal and noise based on the frequency differences            The digital band-pass frequency filtering has been effectively accomplished using a new type of digital filter. This filter is the result of compolving a boxcar spectral window with a frequency shifted Gaussian function which produces a very smooth transition between the pass-band and the stop-band region. The slope of the filter is controlled by the exponential coefficient of the Gaussian function. For a very narrow pass-band the exponential coefficient also controls the resolution of the filter.            Experiments have been done with the Synthetic Vertical Seismic Profiles data to prove the performance of the filter and shows a good results.","PeriodicalId":21649,"journal":{"name":"Scientific Contributions Oil and Gas","volume":"47 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91388049","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Emplacement Of The Meratus Ultrabasic Massif A Gravity Interpretation Meratus超基性地块A重力解释的定位
Scientific Contributions Oil and Gas Pub Date : 2022-04-14 DOI: 10.29017/scog.10.2.896
Dr. B Situmorang
{"title":"Emplacement Of The Meratus Ultrabasic Massif A Gravity Interpretation","authors":"Dr. B Situmorang","doi":"10.29017/scog.10.2.896","DOIUrl":"https://doi.org/10.29017/scog.10.2.896","url":null,"abstract":"Based on gravity data, extensive outcrops of igneous ultrahasic rocks at Meranus Range in Southeast Kalimantan have been interpreted as part of oceanic crust emplaced onto the margin of the Sundaland. The Meratus ultrabasic massif appears to be a thin slab with relative thickness of 300 m, thickening to 350 m to the southeast. If terpentinization of ulrabasie rocks is taken into account, the thickness of the allochtonous masses will increase to 780 m. Considering the occurrence of similar rocks in Kukusan Mts, Laut Islard and the South Am of Sulawesi, we suggest that the Metsaas massif forms part of a larger oceanic enustal segment emplaced during the Middle Cretaceous obducrion.","PeriodicalId":21649,"journal":{"name":"Scientific Contributions Oil and Gas","volume":"57 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90272848","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Seismic Stratigraphy Of The Makassar Basin 望加锡盆地地震地层学
Scientific Contributions Oil and Gas Pub Date : 2022-04-14 DOI: 10.29017/scog.10.1.895
Dr. B Situmorang
{"title":"Seismic Stratigraphy Of The Makassar Basin","authors":"Dr. B Situmorang","doi":"10.29017/scog.10.1.895","DOIUrl":"https://doi.org/10.29017/scog.10.1.895","url":null,"abstract":"Seismic reflection profiles from the Makassar basin have been analysed in terms of seismic stratigraphy. Systematic patterns of reflection terminations indicate the existence of at least three surfaces of discontinuity across the profiles-designated in order of superposition as C1, C2 and C3 - which define the boundaries of four seismic sequences, ie. :-          seismic sequence I      : topped by C1-          seismic sequence II    : the interval between C1 and C2-          seismic sequence III   : the interval between C2 and C3-          seismic sequence IV   : the interval between Cz and the sea floor            Seismic sequence II is dominated by basin slope and basin floor seismic facies whereas seismic sequences II and IV consist of mainly shelf and shelf margin seismic facies. Correlation of seismic sequences with well data facilitates the exposition of basin development, The Late Cretaceous-early Tertiary regional uplift and erosion produced a major unconformity C1, upon which the transgressive facies of seismic sequence II was deposited. A lowstand of sea level due to the so-called intra-Mio- cene orogeny occurred in the upper Early Miocene and produced the C2. Deposition of seismic sequence III is marked by a relative rise of sea level, probably followed by another lowstand of sea level during Mio-Pliocene which formed the C3. The final event is an overall transgression and deposition of seismic sequence IV, with a possible minor lowstand of sea level in Pliocene-Recent,            The occurrence of basin slope and basin floor seismic facies within seismic sequence II suggests that in the pre-Lower Miocene, basin subsidence was slightly greater than the rate of depositions. Since Lower Miocene both subsidence and sedimentation rates were equal and the deposition of shelf and shelf margin seismic facies of seismic sequences III and IV was prevailed in the basin.","PeriodicalId":21649,"journal":{"name":"Scientific Contributions Oil and Gas","volume":"16 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87512294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Kapok Seed Oil As Viscosity Index Improved 木棉籽油粘度指数的改善
Scientific Contributions Oil and Gas Pub Date : 2022-04-14 DOI: 10.29017/scog.10.3.897
Pallawagau La Puppung
{"title":"Kapok Seed Oil As Viscosity Index Improved","authors":"Pallawagau La Puppung","doi":"10.29017/scog.10.3.897","DOIUrl":"https://doi.org/10.29017/scog.10.3.897","url":null,"abstract":"Production, supply and development of hubricating oils for domestic use are carried out in Indonesia using domestie bate ofls and imported additives. Research on the use of kapok seed oill as a viscosity index improver for lubricating oll is as an effort for supply and development of lubricating oll additive which is produced in the country. Resuls of physical and chemical properties analysis indicate that kapok seed oil can be used Ea viscosity index improver.","PeriodicalId":21649,"journal":{"name":"Scientific Contributions Oil and Gas","volume":"9 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78936790","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fast Hilbert Transform 快速希尔伯特变换
Scientific Contributions Oil and Gas Pub Date : 2022-04-13 DOI: 10.29017/scog.11.1.894
S. Munadi
{"title":"Fast Hilbert Transform","authors":"S. Munadi","doi":"10.29017/scog.11.1.894","DOIUrl":"https://doi.org/10.29017/scog.11.1.894","url":null,"abstract":"The use of Hilbert Transform is becoming more and more Important for analysis and processing of geophysical data. However, the direct mathematical formulation in the form of contour integration is not easy to pro. A specific formulation which relates the Hilbert transform and the Fourier transform has been established for developing a computer Programme. This relationship enables us to execute the Hilbert Transformation in a very quick manner using the well known Fast Fourier transform algorithm.The application of this method for generating quadrature seismic trace and recovering minimum phase specimum from the magnitude demonstrates the effectiveness of the programme. The conversion of non-minimum phase seismic wavelet whichas similar spectral magnitude can be done using the hilbert transform.","PeriodicalId":21649,"journal":{"name":"Scientific Contributions Oil and Gas","volume":"55 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90893318","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Velocity Analysis Using N-Th Root Stack 基于n根堆栈的速度分析
Scientific Contributions Oil and Gas Pub Date : 2022-04-12 DOI: 10.29017/scog.12.1.892
Suprajitno Mundi, Pambudi Pambudi
{"title":"Velocity Analysis Using N-Th Root Stack","authors":"Suprajitno Mundi, Pambudi Pambudi","doi":"10.29017/scog.12.1.892","DOIUrl":"https://doi.org/10.29017/scog.12.1.892","url":null,"abstract":"The estimation of seicmic wave velocity in the subsurface is one of the most important process in seismic data processing. The result is very crucial for the conversion af seismic data fromtime section into depth section.            The N-th Root Stack which has not been widely used in the industry in fact a powerful method for estimating seismic wave velocity from seicmic record. The method attenuates the background/random noise effectiviely which facilitates tre fitting of the velocity spectrum can be done anccurately. In addition, the noise is also effectivdy suppressed during the CDP stackins, yielding the clear inrim i doking amplitude            Synthetic records have been used to demonstrate the effectiveness of the N-th Root Stack Comparison with the Delay and Sum method also demonstrate the superiority of the N-th Root Stack.","PeriodicalId":21649,"journal":{"name":"Scientific Contributions Oil and Gas","volume":"170 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76840035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Sedimentology of Hydrocarbon Reservoir Rock in Indonesia, A Case Study From The North Sumatra Basin 印度尼西亚油气储集岩沉积学——以北苏门答腊盆地为例
Scientific Contributions Oil and Gas Pub Date : 2022-04-11 DOI: 10.29017/scog.13.1.891
G. Lott, Sundoro Sundoro
{"title":"The Sedimentology of Hydrocarbon Reservoir Rock in Indonesia, A Case Study From The North Sumatra Basin","authors":"G. Lott, Sundoro Sundoro","doi":"10.29017/scog.13.1.891","DOIUrl":"https://doi.org/10.29017/scog.13.1.891","url":null,"abstract":"The North Sumatra backarc basin has been an important hydrocarbon province for more than 100 yrs. High grade light oils and condensates have been produced from sandstone in the deltaic Keutapang formation and the shallow marine sandstones of the Baong formation.","PeriodicalId":21649,"journal":{"name":"Scientific Contributions Oil and Gas","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80098792","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Separation of Up Going and down Going Waves in VSP Using Singular Value Decomposition 基于奇异值分解的VSP上下波分离
Scientific Contributions Oil and Gas Pub Date : 2022-04-07 DOI: 10.29017/scog.14.1.889
S. Munadi, Lasmi Kustiowati, Moh Bunjamin
{"title":"Separation of Up Going and down Going Waves in VSP Using Singular Value Decomposition","authors":"S. Munadi, Lasmi Kustiowati, Moh Bunjamin","doi":"10.29017/scog.14.1.889","DOIUrl":"https://doi.org/10.29017/scog.14.1.889","url":null,"abstract":"The separation of upgoing and downgoing waves in Vertical Seismic Profiling (VSP) is effectively accomplished using the singular value decomposition method. The VSP data can be decomposed into eigenimages which is directly proportional to the singular value.","PeriodicalId":21649,"journal":{"name":"Scientific Contributions Oil and Gas","volume":"42 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84982217","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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