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Evidences of early to late fluid migration from an upper Miocene turbiditic channel revealed by 3D seismic coupled to geochemical sampling within seafloor pockmarks, Lower Congo Basin

Autor: A. Gay, M. Lopez, P. Cochonat, D. Levaché, G. Sermondadaz, M. Seranne

Publikováno v: Marine and Petroleum Geology (0264-8172) (Elsevier), 2006-04, Vol. 23, N. 3, P. 387-399

Using high quality 3D seismic data within the Lower Congo Basin (LCB), we have identified pockmarks that are aligned above the sinuous belt of a buried turbiditic palaeo-channel, 1000 m beneath the seafloor. Geochemical analyses on cores (GC traces),

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::177f7549dc776ec8fcfadd9398ef3e53
https://doi.org/10.1016/j.marpetgeo.2006.02.004

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A ring-D functionalized nor-triterpenoid of the lupane series as a key intermediate in the formation of widespread hydrocarbon derivatives of higher plant origin in petroleum

Autor: Pierre Albrecht, Isabelle Kowalewski, J.M. Trendel, M.-C. Schweigert, D. Levaché, Philippe Schaeffer, N. Rouquette

Publikováno v: Organic Geochemistry. 36:1227-1233

The nor-triterpenoid, 24-nor,28-lupanoic acid, methyl ester 1a, present as the acid in an African crude oil, was isolated and identified using NMR. This compound represents a key intermediate in the formation of nor-lupane derivatives which are wides

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::641e22cece24176c376c49dd4e089093
https://doi.org/10.1016/j.orggeochem.2005.05.004

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Akademický článek

Behaviour of masonry lateral loaded walls made with sediment-based bricks from the Usumacinta river (Mexico)

Autor: I. Djeran-Maigre, A. Morsel, M. Hussain, D. Levacher, A.R. Razakamanantsoa, E. Delfosse

Publikováno v: Cleaner Engineering and Technology, Vol 11, Iss , Pp 100587- (2022)

A feasibility study on Usumacinta River sediment-based bricks for resilient housing adapted to both climate change and seismic risks is performed on laterally loaded reduced-scale walls. Mortar formulations with different volume ratios of lime and sa

Externí odkaz: https://doaj.org/article/071b3ab2e98e41e9be1e5f713605b6d4

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Akademický článek

Uses of Usumacinta River sediments as a sustainable resource for unpaved roads: An experimental study on a full-scale pilot unit

Autor: I. Djeran-Maigre, A. Morsel, L. Briançon, E. Delfosse, D. Levacher, A.R. Razakamanantsoa

Publikováno v: Transportation Engineering, Vol 9, Iss , Pp 100136- (2022)

Purpose: Transportation is a key factor for economic growth and poverty reduction because it improves access to services and opportunities for rural communities. Unpaved roads, however, still represent 80% of the global road network. The state of Tab

Externí odkaz: https://doaj.org/article/baf6ecdde9f442d19456bf1c1542ea15

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Isolated seafloor pockmarks linked to BSRs, fluid chimneys, polygonal faults and stacked Oligocene-Miocene turbiditic palaeochannels in the Lower Congo Basin

Autor: A. Gay, M. Lopez, P. Cochonat, M. Séranne, D. Levaché, G. Sermondadaz

Publikováno v: Marine Geology (0025-3227) (Elsevier), 2006-02, Vol. 226, N. 1-2, P. 25-40

Based on high-resolution 3D seismic data sets, we document the subsurface reservoir architecture and organization of a portion of the Oligocene–Miocene stratigraphy within the Congo Basin, offshore southwestern Africa. Within the 3D seismic volume,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a923b3911d5029f8d9dc2ec54501e5bc
https://archimer.ifremer.fr/doc/00000/1111/

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Evaluation of Reservoir Fluid Behaviour, Compartmentalisation and Seal Efficiency through Gas While Drilling Data Analysis (GWDtm)

Autor: G. Segalini, P. Blanc, B. Barraud, D. Levaché, D. Kandel

Publikováno v: First EAGE International Conference on Fault and Top Seals - What do we know and where do we go?.

The acquisition of gas data while drilling for geological-surveillance and safety is an almost universal. practice. Hence, mud logging services provide the earliest available data, along with LWD operations. A method has been developed by Total and E

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5f3e88fc282fc6ddd1bc7b8afa365bce
https://doi.org/10.3997/2214-4609.201405822

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ABSTRACT: Metal Trace Elements in Oils for Quantifying the Degree of Biodegradation in Reservoirs

Autor: Isabelle Kowalewski, D. Levaché, Bernard Carpentier, Caroline C. Magnier

Publikováno v: AAPG Bulletin. 86

The use of bio-resistant compounds is a promising method to evaluate hydrocarbon mass changes linked to bacterial activity in petroleum reservoirs. One of the difficulty lies in finding stable elements or compounds well represented in crude oils that

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e88f6c9629c5a1823d941c95c60fd098
https://doi.org/10.1306/3fef4249-1741-11d7-8645000102c1865d

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