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天然砂岩试验
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天然砂岩试验
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射孔质量评价
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natural sandstone testing
天然砂岩试验
采用天然砂岩制成标准试验岩心,经干燥、抽真空、氯化钠溶液(或煤油)饱和后,将岩心固定在橡胶套筒内制成砂岩靶,在常温、一定的压力和介质的井筒中射孔,测量岩心的穿透深度、靶板的穿孔孔径,评价射孔器性能的测试。
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diffuse cloud
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diffused illumination hologram
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diffused pollution
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diffused solar radiation
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diffuse function
diffuse galactic emission
diffuse Galactic infrared radiation
diffuse Galactic light
diffuse Galactic X-ray emission
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