Second EAGE Eastern Mediterranean Workshop最新文献

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South of Malta – Integrating Well Data and Seismic Allows to Better Understand the Petroleum Potential 马耳他南部-整合井数据和地震数据,可以更好地了解石油潜力
Second EAGE Eastern Mediterranean Workshop Pub Date : 2019-11-19 DOI: 10.3997/2214-4609.201903150
O. Schenk, O. Shtukert, F. Winter, A. Checconi
{"title":"South of Malta – Integrating Well Data and Seismic Allows to Better Understand the Petroleum Potential","authors":"O. Schenk, O. Shtukert, F. Winter, A. Checconi","doi":"10.3997/2214-4609.201903150","DOIUrl":"https://doi.org/10.3997/2214-4609.201903150","url":null,"abstract":"","PeriodicalId":143013,"journal":{"name":"Second EAGE Eastern Mediterranean Workshop","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125223262","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 Pitfalls Related to Converted Waves - Lebanon Offshore Case Study 与转换波相关的地震陷阱-黎巴嫩海上案例研究
Second EAGE Eastern Mediterranean Workshop Pub Date : 2019-11-19 DOI: 10.3997/2214-4609.201903148
P. Bourguignon, P. Christian
{"title":"Seismic Pitfalls Related to Converted Waves - Lebanon Offshore Case Study","authors":"P. Bourguignon, P. Christian","doi":"10.3997/2214-4609.201903148","DOIUrl":"https://doi.org/10.3997/2214-4609.201903148","url":null,"abstract":"Summary Conversion of P-wave to S-wave and vice versa is a well-known seismic wave propagation phenomenon which occurs when there is a high elastic impedance contrast between two layers. In basins, where a salt layer is present, the presence of converted waves is common. The case study is located in the Eastern Mediterranean see, offshore Lebanon. This presentation will highlight the similarities between a DHI and a converted wave anomaly. An easy methodology to help seismic interpreters to better identify converted wave pitfall will be described. The result of the converted wave removal applied in a recent PSDM reprocessing will also be presented.","PeriodicalId":143013,"journal":{"name":"Second EAGE Eastern Mediterranean Workshop","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128203357","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 Impact of Neogene Thermal Blanket to the Maturation of Mesozoic Source Rocks, W. Greece 新近系热毯对希腊中生代烃源岩成熟的影响
Second EAGE Eastern Mediterranean Workshop Pub Date : 2019-11-19 DOI: 10.3997/2214-4609.201903154
I. Oikonomopoulos, E. Tripsanas, N. Lykakis, S. Sotiropoulos
{"title":"The Impact of Neogene Thermal Blanket to the Maturation of Mesozoic Source Rocks, W. Greece","authors":"I. Oikonomopoulos, E. Tripsanas, N. Lykakis, S. Sotiropoulos","doi":"10.3997/2214-4609.201903154","DOIUrl":"https://doi.org/10.3997/2214-4609.201903154","url":null,"abstract":"Summary This study, based on the analysis of vintage offshore seismic-reflection profiles and a newly acquired 3D PSDM seismic volume from the western Patraikos Gulf (WPG), provides a new perspective on how Miocene basin formation might have a significant impact on thermal maturation and hydrocarbon generation in fold-and-thrust geological settings. The WPG Miocene basin is developed on the western part of the Patraikos exploration block showing a strong southward thickening trend to the south. The base and top of the Miocene basin in WPG are expressed by two regional erosional unconformities, whereas a salt diapiric wall/nappe has been attributed to Triassic salt exhumation. Seismic stratigraphy indicates a basin infill, ranging from fluvial – lacustine and progradational deltaic deposits at the base to placid marine deposits towards the top. The presence of pockmarks combined with the potential source rock intervals within the Mesozoic carbonate sequence raise the hypothesis of late thermal maturation due to Miocene subsidence. Preliminary 1D basin modeling suggests that: a) the thickness of Miocene missing section is critical to source rock maturation; b) the main oil expulsion window for Triassic source rock is within the middle-late Miocene; c) The Posidonia oil expulsion window is critical to late charging.","PeriodicalId":143013,"journal":{"name":"Second EAGE Eastern Mediterranean Workshop","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134050276","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
Appraising a Mediterranean Giant Discovery in Pre-Salt Carbonates: the Key Value of Depth Imaging 评价地中海盐下碳酸盐岩巨型发现:深度成像的关键价值
Second EAGE Eastern Mediterranean Workshop Pub Date : 2019-11-19 DOI: 10.3997/2214-4609.201903145
A. Lomartire, R. Bacenetti, B. Webb, M. Corciulo, J. Panizzardi, M. Cella, R. Ruspi
{"title":"Appraising a Mediterranean Giant Discovery in Pre-Salt Carbonates: the Key Value of Depth Imaging","authors":"A. Lomartire, R. Bacenetti, B. Webb, M. Corciulo, J. Panizzardi, M. Cella, R. Ruspi","doi":"10.3997/2214-4609.201903145","DOIUrl":"https://doi.org/10.3997/2214-4609.201903145","url":null,"abstract":"Summary We describe the main results of a Velocity Model Building (VMB) and a Prestack Depth Migration (PSDM) project targeting the imaging of a carbonate build-up in a pre-salt complex setting in the deep water of the Egyptian offshore. The purpose of the project was to support the characterization of the exploration targets and the subsequent optimization of the appraisal and development phases in the shortest possible turnaround times. The heavy usage of HPC (High Performance Computing) resources enabled the fast generation of several scenarios used to iteratively refine the Top and Base of Salt interpretations in a close-loop integration with halokinetics specialists. The applied workflow led to significant improvements of the highly complex velocity model that increased the quality of pre-salt imaging and the geological reliability of the reservoir structure, with a consequent de-risking of the appraisal and development wells.","PeriodicalId":143013,"journal":{"name":"Second EAGE Eastern Mediterranean Workshop","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130227532","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
Integration of Potential Methods and Surface Data for the Construction of a Structural Section in Aitoloakarnania 综合电位方法和地表数据在Aitoloakarnania构造剖面中的应用
Second EAGE Eastern Mediterranean Workshop Pub Date : 2019-11-19 DOI: 10.3997/2214-4609.201903143
P. Jiménez, J. M. Jiménez, M. Zanzi, Y. Malmcrona, R. Perez, J. P. Pita, L. Cascone, B. Rubio, A. Ponte, P. Konstantopoulos, K. Nikolaou, A. Chambers
{"title":"Integration of Potential Methods and Surface Data for the Construction of a Structural Section in Aitoloakarnania","authors":"P. Jiménez, J. M. Jiménez, M. Zanzi, Y. Malmcrona, R. Perez, J. P. Pita, L. Cascone, B. Rubio, A. Ponte, P. Konstantopoulos, K. Nikolaou, A. Chambers","doi":"10.3997/2214-4609.201903143","DOIUrl":"https://doi.org/10.3997/2214-4609.201903143","url":null,"abstract":"Summary A regional structural section of 120 km with NE-SW orientation has been constructed in the Dinaride-Hellenide fold and thrust belt. Due to the limited availability and low quality of the seismic sections, an integration of gravity and magnetotelluric datasets have allowed to reduce the uncertainty of the interpretation. The gravity model allowed to test different structural scenarios until a satisfactory fit between the observed field values and the calculated values from the model was achieved. This model has been sensitivity tested based on different densities obtained from well data and surface geology. The magnetotelluric method, which was especially valuable in this area due to the resistivity contrast between the different formations of the area, allowed to define the geometry of the area around an elongated evaporitic body. Both methods indicate the limited depth of this evaporates and the presence of carbonates or clastics underneath.","PeriodicalId":143013,"journal":{"name":"Second EAGE Eastern Mediterranean Workshop","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121266393","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
Identifying Organic-Rich Intervals Sourcing the Pliocene-Quaternary Yafo Petroleum System Biogenic Gas in the Levant Basin 黎凡特盆地上新世—第四纪雅佛油气系统生物气富有机质层段识别
Second EAGE Eastern Mediterranean Workshop Pub Date : 2019-11-19 DOI: 10.3997/2214-4609.201903156
A. Meilijson, Y. Makovsky, M. Lazar, N. Waldmann
{"title":"Identifying Organic-Rich Intervals Sourcing the Pliocene-Quaternary Yafo Petroleum System Biogenic Gas in the Levant Basin","authors":"A. Meilijson, Y. Makovsky, M. Lazar, N. Waldmann","doi":"10.3997/2214-4609.201903156","DOIUrl":"https://doi.org/10.3997/2214-4609.201903156","url":null,"abstract":"Summary Analysis of high-resolution seismic reflection data reveals fluid-flow elements within the buried intra- to post-Messinian salt features and the overlying Plio-Quaternary unit of the Levant Basin. Additionally, natural methane seepages through seafloor sediments have been identified across the Nile deep-sea fan, Levant Basin, Eratosthenes Seamount, and other localities in the Eastern Mediterranean. Lastly, gas was discovered in sandstone of latest Miocene-Early Pliocene age at a depth of 1130 m and in Pleistocene calcareous sandstone units at depths of 300–450 m (the Noa-1, Mari-B, Nir, Or and Gaza Marine gas fields). The reservoir rock is the Yafo Sand Member, which is found at the base of the Pliocene Yafo Fm overlaying Messinian evaporites. However, the source rock of these biogenic gas discoveries is still unknown. We integrate geophysical and sedimentological/geochemical analysis of offshore well samples, with the intent of identifying these source rocks, and have identified three potential organic-rich (1–4 % TOC) source rocks, composed of gas-prone kerogen type III organic matter: a ∼200 m interval underlying the thick (1.8 km) MSC salt; discreet diatomite layers with a cumulative thickness of 25–40 m interbedded within the salt; a 20 m interval about 25 m above the top of the MSC unit.","PeriodicalId":143013,"journal":{"name":"Second EAGE Eastern Mediterranean Workshop","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128482169","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
Residual and Commercial Gas Discrimination by Spectral Decomposition Using Ultra-Far Stacked Seismic Data, Nile Delta, Egypt 利用埃及尼罗河三角洲超远叠置地震数据的光谱分解识别剩余和商业气体
Second EAGE Eastern Mediterranean Workshop Pub Date : 2019-11-19 DOI: 10.3997/2214-4609.201903158
Walaa M. Fathy, Asghar Shams
{"title":"Residual and Commercial Gas Discrimination by Spectral Decomposition Using Ultra-Far Stacked Seismic Data, Nile Delta, Egypt","authors":"Walaa M. Fathy, Asghar Shams","doi":"10.3997/2214-4609.201903158","DOIUrl":"https://doi.org/10.3997/2214-4609.201903158","url":null,"abstract":"Summary One of the big challenges facing operators in the on-shore Nile Delta is the discrimination between residual gas saturations and mobile commercial gas. The application of spectral decomposition and frequency attributes on pre-stack seismic data has opened the door to think about the relationship between frequency attenuation and reservoir properties. The main motivation of this study is the existence of a potential accumulation, with a very good seismic response, extremely comparable to that observed in a major producing field nearby. The results of a well drilled in this prospect were not encouraging and the well was classified as a dry well with gas shows (gas saturation in the tested reservoir reached 28%). We will see in this study how spectral decomposition can be used to discriminate between low gas saturations and mobile, commercial gas in the area of study.","PeriodicalId":143013,"journal":{"name":"Second EAGE Eastern Mediterranean Workshop","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116241437","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
Deformation Patterns of a Mesozoic Carbonate Platform Offshore South of Crete 克里特岛南部近海中生代碳酸盐岩台地变形模式
Second EAGE Eastern Mediterranean Workshop Pub Date : 2019-11-19 DOI: 10.3997/2214-4609.201903144
K. Oikonomopoulos, G. Makrodimitras, M. Hamilton
{"title":"Deformation Patterns of a Mesozoic Carbonate Platform Offshore South of Crete","authors":"K. Oikonomopoulos, G. Makrodimitras, M. Hamilton","doi":"10.3997/2214-4609.201903144","DOIUrl":"https://doi.org/10.3997/2214-4609.201903144","url":null,"abstract":"Summary Subduction in the region south of Crete is controlled by the oblique Africa-Eurasia convergence. This sort of tectonics has created 3 troughs – the Hellenic Troughs – believed to be accommodating this movement. They strike at an angle of ∼45° to the relative motion vectors of the plates demonstrating a left-lateral strike-slip motion with transtensional and transpressional components. The areas between the troughs (Cretan Margin and Backstop) are filled with Oligocene to Holocene sediments, while the pre-Oligocene deposits are tectonised. Previous studies offshore south of Crete, based on 2D geophysical data suggested that these pre-Oligocene series might be related to a severely tectonised carbonate platform. However, the limits of this platform and its homogeneous character remain debatable. The study area is very frontier with no wells ever been drilled, so lithologies offshore are rather difficult to be identified on the available seismic. Therefore, gravity modeling was an additional useful tool, in order to locate possible “bodies” with different densities, which could be assigned to different lithologies. The aim of this study is to describe the severe tectonism in the area and its role to the deposition of recent sediments and the spatial distribution of the carbonate deposits, south of Crete.","PeriodicalId":143013,"journal":{"name":"Second EAGE Eastern Mediterranean Workshop","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133016314","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
Improving the Illumination Below Messinian Interval through Better Acquisition Planning 通过更好的采集计划来改善墨西尼亚区间以下的照明
Second EAGE Eastern Mediterranean Workshop Pub Date : 2019-11-19 DOI: 10.3997/2214-4609.201903147
I. Mihaljević, A. Abouelela, N. Moldoveanu, F. Diagon, H. Mannaerts-Drew, E. L’heureux, G. Xia, H. Al-Attar
{"title":"Improving the Illumination Below Messinian Interval through Better Acquisition Planning","authors":"I. Mihaljević, A. Abouelela, N. Moldoveanu, F. Diagon, H. Mannaerts-Drew, E. L’heureux, G. Xia, H. Al-Attar","doi":"10.3997/2214-4609.201903147","DOIUrl":"https://doi.org/10.3997/2214-4609.201903147","url":null,"abstract":"Summary During the last decade, the exploration targets offshore Egypt have moved subsalt. Messinian salt is a complex interval that changes its character going from West to East Mediterranean. Existing seismic data was not able to properly capture the pre-Messinian targets. We have used the available seismic and the non-seismic data to build the representative 3D Earth model, incorporating typical challenges offshore Egypt. 3D Finite Difference modeling was used to simulate different acquisition approaches. Based on the modeling results, further in this abstract we will show the best acquisition approaches to illuminate subsalt. Moreover we will examine the impact of the broadband seismic data as well as the impact of surface and internal multiples, inaccurate velocity models and absorption on the image below the salt.","PeriodicalId":143013,"journal":{"name":"Second EAGE Eastern Mediterranean Workshop","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125445304","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
Open Questions and New Frontiers for Exploration in the Deep-Water Domain of the Levant Basin 黎凡特盆地深水区有待解决的问题和勘探的新领域
Second EAGE Eastern Mediterranean Workshop Pub Date : 2019-11-19 DOI: 10.3997/2214-4609.201903159
Y. Ben-Gai, J. Soto
{"title":"Open Questions and New Frontiers for Exploration in the Deep-Water Domain of the Levant Basin","authors":"Y. Ben-Gai, J. Soto","doi":"10.3997/2214-4609.201903159","DOIUrl":"https://doi.org/10.3997/2214-4609.201903159","url":null,"abstract":"Summary The Levant Basin is currently a hot-spot in terms of oil and gas exportation. The world-class gas discoveries offshore Egypt, Cyprus and Israel within Oligo-Miocene turbiditic sands and Early Cretaceous carbonate buildups turned the limelight to this part of the East Mediterranean. Open questions regarding its tectonic evolution include the depth, thickness and nature of the crust, the dominant trend of the Tethyan rift structures and phases, the effect of the Late Mesozoic plate collision along the Cyprus and Latakia Arcs and the distribution, nature, and origin of the Early–to-Middle Miocene structures. Data collected in both the Levant northern and southern sub-basins allow comparing them and drawing conclusions regarding few of these questions. Both basins lack any sign of the Late Mesozoic collision, they subsided fast since the Early Tertiary and were subject to intense Early-to-Middle Miocene activity, resulting in diapir-like structures in the south and long, N-S folds in the north. The Oligo-Miocene section in both basins is as yet a major target for oil and gas exploration and the implications of our study for the timing of trap formation coupled with hydrocarbon expulsion and migration open new directions for future studies.","PeriodicalId":143013,"journal":{"name":"Second EAGE Eastern Mediterranean Workshop","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126269211","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: 1
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