蓄水池算法（Reservoir Sampling）2011年10月16日问题描述，从N个元素中随机抽取k个元素，使得每个元素被抽取的概率相同，并且事先不知道N的值。解法：?
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Three uncertainties affecting on OOIP including reservoir sampling limitation, technical uncertainty and commercial uncertainty were discussed.
概括了影响地质储量评估的三个不确定性：油藏样本的局限性，技术的不确定性，经济的不确定性。
Wireline repeat formation tester (RFT) is mainly used for reservoir pressure measuring and reservoir fluids sampling.
电缆式重复地层测试器(RFT)主要用于裸眼井测量储层压力及地层流体取样。
SCAR sampling delivers reservoir-representative fluid samples from deep within the reservoir, as samples are collected directly in the flow stream to eliminate contamination caused by dead volumes.
石s CAR采样系统可以采集到深部油藏中代表油藏流体特性的样品，因为样品是直接从流动的流体中采集的，可以避免受到静止流体的污染。
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