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

问答题 翻译：In general, all methods of BV determination are applicable to determining both total and effective porosity.

问答题 翻译：The solution gas-oil ratio Rs the volume of gas at surface conditions dissolved in that volume of reservoir oil which will shrink to a unit volume of oil surface conditions.