کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
8909346 1637139 2017 55 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Autogenic controls on hybrid bed distribution in submarine lobe complexes
ترجمه فارسی عنوان
کنترل های اتوژنیک بر توزیع بستر هیبرید در مجتمع های لوب زیردریایی
کلمات کلیدی
تخت های ترکیبی، روند توزیع، کنترل خودکار، کنترل های آلوژنیک، لوب طرفداران عمیق آب،
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات زمین شناسی اقتصادی
چکیده انگلیسی
Data from Unit A, Laingsburg Formation, show hybrid beds are less common in the basal (A.1) and top (A.6) subunits compared to A.2-A.5 in both core data sets. The bases and tops of some lobe complexes (A.2, A.3 and A.5.7) are observed to be slightly enriched in hybrid beds, whereas others (A.5.1, A.5.5 and A.6.1) show no hybrid beds in their bases, which does not conform to expected allogenically-driven distributions that predict more hybrid beds during the initiation of lobe complexes. Instead, the occurrence and distribution of hybrid beds in lobe complexes are interpreted to be controlled by autogenic processes, including flow transformation processes on the basin-floor meaning enrichment in frontal lobe fringe settings. Therefore, the 1D distribution of hybrid beds in lobe complexes reflects the dominant stacking pattern of lobes within a lobe complex, with enrichment at the base and top of lobe complexes due to overall progradational to retrogradational stacking patterns. Individual lobes show a wide range of hybrid bed distributions, due to stacking patterns of the component lobe elements. These findings highlight the importance of autogenic processes rather than allogenic controls in the distribution of hybrid beds, which has implications for reservoir evaluation and the assessment of lobe stacking patterns in 1D core data sets.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Marine and Petroleum Geology - Volume 88, December 2017, Pages 1078-1093
نویسندگان
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