简答题 翻译：One has only to think of oil deposites on the shore of the Arctic ocean or in the jwngles on the interiors slops of Amazon basin to realize the difficulties are involved in getting the oil from the well to the cousumer.

问答题翻译：Log interpretation is the process by which these measurable parameters are translated into the desired petrophysical parameters of porosity, hydrocarbon saturation, permeability, producibility, lithology, etc.

问答题翻译：The sampling device is designed to take samples from two or three different levels in the tank so that a composite sample can be collected that will be the representative of the whole tank.

问答题翻译：In the conventional method the depth of oil received in the tank is measured and the measurement is converted to barrels.

问答题翻译：Esaturated oil at and above the point in the flow string where its bubble point pressure is reached.

问答题翻译：Gravitational variations may be measured to approximately one part in 10 million with this instrument.