permeable formation 中文意思是什麼
permeable formation
解釋
可滲透層-
The stippled area shows the distribution of a clean, permeable sandstone in the lower part of the lower cretaceous muddy formation.
圖上畫點部分為下白堊紀馬迪組下部潔凈，滲透的砂巖分佈區域。 -
3. the carstic formation is permeable layer and has quite good placeability, its relations of the water permeabitity and placeability have three types as follows : high unit - absorption rate with big grout consumption, the grouting is necessary ; low unit - absorption rate with little grout consumption, the grouting is no need ; low unit - absorption rate with big grout consumption, grouting is no need combining with control the grouting pressure and grout consumption. 4
巖體透水率與可灌性之間一般存在以下三種組合關系：高單位吸水率與大吃漿量的組合，灌漿是必需的；低單位吸水率與小吃漿量的組合，沒有必要灌漿；低單位吸水率與大吃漿量的組合，應進行灌漿處理，但應適當控制灌漿壓力和耗漿量。 -
In the present research, therefore, identification of the shape of permeable sands seems very important. in a word, it ' s of great significance in the theory and in practice to find out the location, shape and extending direction of lacustrine delta and characteristics of different microfacies in the upper triassic yanchang formation
因而，在當前各項研究中，弄清良好的滲透性砂體的形態及其展布就顯得十分重要，即精確確定上三疊統延長組的湖泊三角洲砂體形態、展布方向及其沉積微相特徵，進一步了解砂體的物性特徵，對指導鄂爾多斯盆地中生界油氣的開發具有重要的理論和實踐意義。 -
Through drilling exploration for several years, the extra - low permeable reservoir of yanchang formation in pingbei area of ansai qilfield, has discovered the main oil reservoirs are chang4 + 5 ( subscript 2 ) layer, chang61 layer and chang6 ( subscript 2 ) layer, their pay thickness has reached over 20m, and the reservoir number, reservoir thickness, original oil in place and oil well production have been increased obviously
摘要安塞油田坪北區延長組特低滲透儲層，通過這幾年鉆探發現主力油層為長4 + 5 （下標2 ）層、長6 （下標1 ）層和長6 （下標2 ）層，油層厚度達20餘米，油層層數、油層厚度、原始原油地質儲量和油井產量都有明顯增加。 -
In this paper 7 new measures now used in foreign countries to prevent formation damage are introduced, such as applying new clay stabilizer of low polymer to low permeable formation, and supersonic wave to control formation damage
本文介紹了國外現階段所採取的用低聚合物新型粘土穩定劑處理低滲透地層，用超聲波解除地層損害等7種防治地層損害新措施。
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