| 1. | Lofty derricks dot the landscape in an oil field ... 高耸的井架点缀着油田的景色。 |
| 2. | The oil field itself has dimensions of roughly 12km by 3km . 油田面积约为123平方公里。 |
| 3. | The same principle was used in a method of drilling in oilfields . 油田的钻探方法采用了同样的原理。 |
| 4. | Saudi arabia has been holding back oil fields for later exploitation . 沙特阿拉伯已将油田收回,以供日后开发。 |
| 5. | Postwar oil discoveries have been very uneven distributed among countries . 在战后,油田的发现在各国的分布是极不均匀的。 |
| 6. | The third parameter needed for an oil field to occur is the cap rock or seal . 形成油田所必须的第三个参数是盖层岩石或封闭层。 |
| 7. | Barium is found in some oilfield brines in concentrations greater than 100mg/litre . 在有些油田卤水中,钡的浓度大于100毫克升。 |
| 8. | We do not simply want to squat on the oilfields, but to get through communication with russia . 我们不仅仅要占领油田,而且要开辟直达俄国的交通线。 |
| 9. | Following discovery of the field in 1950 the estimated recoverable reserves of oil amounted to 50 million barrels . 1950年发现该油田后,估计可采储量为五千万桶。 |
| 10. | Dromids is more abundant than sulphate in many oilfield brines, we shall consider them cations and anions . 在很多油田卤水中,溴化物比硫酸盐多。我们将其看作是阳离子和阴离子。 |