progradation 中文意思是什麼
progradation
解釋
前積-
In the profile, it is often made of one to two environment elements, which indicates a progradation or regression. the sand developed in this stage is equal to single sandbody which is the smallest scale for correlating between wells. middle term cycle is related to an obvious water changing
在中長期基準面低位處，儲層大都發育較好，砂體厚度、展布面積均較大，物性相對較好，層間夾層較薄；而在中長期基準面較低位置處，則出現相反的儲層特徵。 -
The upper yingshan formation in tahe oil field is analyzed in the light of the theory of high - frequency sequence stratigraphy ; it comprise of 4 fourth - order sequences, including two progradation parasequence sets and two retrogradation parasequence sets, and 28 fifth - order sequences
由於四級層序、五級層序是受米蘭科維奇天文周期控制的異旋同成因層序，橫向變化不大，能夠在大范圍內追蹤對比。 -
This paper presents the principle and the maximum resolution of the spectral imaging followed by taking a case study as an example to discuss the application of this technique to sedimentary facies classification and the practical significance of it in progradation and retrogradation identification of sedimentary environment
從理論基礎分析出發，首先介紹了頻譜成像的原理、最大解析度，然後結合國內某油田的實際情況，闡述用頻譜成像技術進行沉積相劃分以及判斷沉積環境水進水退的方法及實際效果。 -
Many times structure movements of huanhua basin result in many times water progradation and retrogradation. cycle sediment in portrait and stratum lapout & denudation in plane and vary of different types sand body are resulted in sediment process. it provides better condition for subtle trap
研究表明，黃驊坳陷構造運動的多期性形成多次水進水退，在沉積上產生了縱向的多旋迴性和平面上的地層超覆與剝蝕以及不同類型砂體的變化，為隱蔽油氣藏的形成提供了良好條件，盆地中區是隱蔽油氣藏較為集中的分佈區。
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