oil shrinkage 中文意思是什麼
oil shrinkage
解釋
石油收縮-
On the basis of the feature of paleostructure, paleogeography and lake level fluctuation in chang - 6 to chang - 8 oil - bearing layers, this text researchs paleogeographic feature and evolution. chang - 8 stages are the early days of lake basin outspread, chang - 7 stages are steadies stage of lake basin outspread, chang - 6 stages are shrinkage of lake basin, the lake level slowly droping, lake strandline moving eastward
根據古構造、古地理、湖平面升降等特點研究了長_ 6 ?長_ 8期巖相地理特點及其演化，長_ 8期是湖盆擴大的初期；長_ 7期為湖盆擴大階段中穩定期；長_ 6期為湖盆擴大階段中開始萎縮，湖平面繼續緩慢下降，湖岸線向東遷移。 -
From evolution of sedimentary, chang 6 sandstones is a process of growing, development, fast development and shrinkage term. among them, chang 621 and 612 sandstone is in fast development period, forming many oil - gas gatherings. due to study area lie in the front part of deltas, so the factors of sedimentology are simple
從沉積演化來看，長6砂層三角洲的發展經歷了成長期?發展期?高速生長推進期和萎縮期的完整過程，其中6 _ 2 ~ 1和長6 _ 1 ~ 2砂體發育處于高速生長推進期，是最有利於油藏形成的時期。
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