英语翻译With the reservoir water under investigation,salt precip

英语翻译
With the reservoir water under investigation,salt precipitation
was observed at a brine density of 1.235 g/cm³ onward.Up to this point,the concentrations of all ions increased linearly with the density.In table 2,the sensitivity of various quotients is compared in the ranges before salt precipitation (:1.100 and 1.235 g/cm³) and after salt precipitation (:1.25 and 1.30 g/cm³).For the well considered,the precipitation of salt is thus indicated by certain quotients,calculated on a mg/l basis.The following quotients are of interest:Na/Li,Na/K,and Na/(Ca+Cl).From the evaporation of sea water,it is known that potassium salts precipitate at the end of the deposition sequence; consequently,potassium as well as lithium and bromide remain in solution in the course of the initial saliniferous successions.The experimental results clearly indicate that the sodium concentration decreases after the crystallisation of salt.Hence,the quotient (figure 5) for sodium and potassium was employed as an indicator for the early detection of salt precipitation.Before the crystallisation of salt,the Na/K quotient has a value of about 16; during salt precipitation,it decreases to values decidedly below 16.The Na/Li quotient has a value of about 460 before,and ≤400 during precipitation.For the occurrence of halite scale in the region surrounding the well under consideration,the following situation results:In figure 6,the variation of the Na/K quotient is plotted as a function of the recovery factor on the basis of the water analyses.The values of the Na/K quotient hitherto determined during operation (RF:30 %) are still above the limit for theearly detection of salt precipitation.Sampling in the well at regular intervals,as referred to the recovery factor,would be desirable.Unfortunately,this is not always possible because of the irregular production period at the well under investigation.In addition to the analysis of formation water samples from the well considered (formation:Rotliegende),average reservoir water samples [Peter,1965] from the Main dolomite,Sheet dolomite,and Carboniferous formations have been analysed in the same manner as that just described.The results are presented in a cross plot (figure 7).The quotient values plotted here are those at which no salt crystals have yet been observed upon visual inspection,that is,the values observed before
crystallisation.After the crystallisation of salt,the quotients are no longer within the indicated limits.Moreover,the results of water analyses have been examined for samples taken from 10 gas wells in the Main dolomite and 5 producing wells in the Sheet dolomite.Specific values of the early detection quotients are obtained for each individual well and gas field.The different values of the quotients are associated with differences in the ionic composition of the original formation water.

水库的水下调查,盐沉淀与会者在盐水密度1.235克/厘米³前进.在这一点上,所有的浓度离子增加线性密度.表2,敏感性的各种商相比,在盐沉淀（：1.100和1.235克/厘米³）和后盐沉淀（：1.25和1.30克/厘米³）.为充分考虑,沉淀的盐是这样表示的某些商数,以毫克/升的基础.以下商数的兴趣：钠/锂,钠/钾,与钠（钙+氯）.从海水蒸发,众所周知,钾盐沉淀结束时的沉积序列；因此,钾和锂、溴留在溶液中的初始含盐的继承.实验结果清楚地表明,钠浓度降低后,结晶盐.因此,商（图5）为钠和钾是用来作为一个指标为早期发现盐沉淀.在结晶盐,钠/钾商有一个价值约16；在盐沉淀,降低值明显低于16.钠/锂商有一个价值约460,400和≤在降水.对发生在该地区石盐规模以及周围的考虑下,下列情况：在图6中,变化的钠/钾商是策划作为一个功能的恢复系数的基础上的分析.价值观的钠/钾商迄今确定在运行（射频：30%）仍高于限额的早期检测盐沉淀.取样井定期,所提到的恢复系数,将是可取的.不幸的是,这并不总是可能的,因为不规则生产期间以及在调查.除了分析地层水样从考虑（形成：赤底统）,平均地层水样[1965]彼得,主要从白云石,白云石和石炭系地层表,分析了在相同的方式,只是描述.结果表明,在跨图（图7）.商值绘制的是那些在没有盐晶体尚未观察目视检查后,即前,价值观察结晶的.后结晶盐,商不再在显示范围.此外,结果分析已审查的样本10气威尔斯主要以白云岩和5生产威尔斯在片白云石.具体价值的早期检测商数获得每个人及天然气领域.不同的价值观的智商都与不同的离子组成的原始地层水.