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- Logging sonic differential time and seismic interval velocity are used to estimate formation pressure in this paper. 讨论了利用测井声波时差和地震层速度预测地层压力的方法及其应用。
- Keywords Ordos basin;well logging sonic differential time;rock drillability;rock mechanics parameter;bit optimization; 鄂尔多斯盆地;测井声波时差;岩石可钻性;岩石力学参数;钻头优选;
- Keywords log method;horizon velocity;sonic differential time;formation porous pressure;predic-tion while drilling; 测井方法;层速度;声波时差;地层孔隙压力;随钻预测;
- Keywords prediction of formation pressure;logging sonic differential time;seismic interval velocity;constrained optimization;SUMT; 地层压力预测;测井声波时差;地震层速度;约束最优化;惩罚函数法;
- sonic differential time 声波时差
- Furthermore,the paper also describes the charge shapes,the differential time and the guide hole stemming. 对药包形态、微差时间、导硐堵塞也作了描述。
- restricted differential time delay 受限的差分时延, 有限制的差分时延
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久,就会发酵。
- Time is sometimes called the fourth dimension. 时间有时被称为第四度空间。
- I think the work can be completed ahead of time. 我认为这项工作能提前完成。
- He will come on time even though it rains. 即使下雨,他还是会准时来的。
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- Furthermore, the earlier the species differentiation time on evolution, the lower the difference of the codon usage frequency and preference and the higher by contraries. 在进化上分化时间越早的物种,密码子使用频率和使用偏性的差异较小,反之则较大;
- I need some time to orient my thinking. 我需要一些时间来使我的思想适应。
- A trademark used for a sonic depth finder. 回音测深仪一种声音测深仪的商标
- A transistorize radio takes no time to warm up. 晶体管收音机不需要预热时间。
- At that time he had two helpers. 当时他有两个助手。
- I'm sorry to obtrude on you at such a time. 我很抱歉在这个时候打扰你。
- I referred to my watch for the exact time. 我看了一下手表好知道准确的时间。
- God mete out justice in his own good time. 羞恶自有报,只争迟与早。