给出了正交各向异性介质地层条件和椭圆井眼条件下波场模拟的结果。
The numerical simulate result of orthorhombic medium formation and elliptic borehole conditions are presented.
并根据井眼条件(有无套管)等方面因素，对打捞主体的机械结构进行了合理设计。
A reasonable mechanical design of the main die body was given on the basis of considering every determining factors such as the bore hole condition (casing or not).
特别困难的井眼条件，可能会有害地影响钢材、合成橡胶、泥浆添加剂、电子产品、或者工具和工具部件。
A particularly difficult set of well conditions that may detrimentally affect steel, elastomers, mud additives, electronics, or tools and tool components.
利用空间上具有四阶精度、时间上具有二阶精度的中心差分方法，数值模拟了几种复杂井眼条件下的波场。
Various borehole and formation conditions were simulated using the fourth order accuracy in space and second order accuracy in time centered finite difference method.
对于斜井，由于重力迫使套管平躺于井壁的下侧，如果井眼条件允许，更为结实的固体刀翼式扶正器更为合适。
For deviated wellbores, where gravitational force pulls casing to the low side of the hole, more robust solid-bladed centralizers are better if hole conditions allow their use.
当安放在离钻头较近的位置时，无需常规的第二趟钻进行口袋扩眼，井眼条件可得到极大的改善，套管可以更快下到位。
When placed near the bit, the traditional second rathole reaming run is eliminated, wellbore conditions are improved, and casing can be run that much faster.
对比了在不同水泥胶结质量、套管状况和井眼条件下的套管井与裸眼井声波测井资料，归纳出了过套管声波测井的使用条件和局限性。
Based on comparison of acoustic data logged in different conditions of cementation, casing and borehole, the applicable condition and limitation of through-casing acoustic logging are summarized.
对比了在不同水泥胶结质量、套管状况和井眼条件下的套管井与裸眼井声波测井资料，归纳出了过套管声波测井的使用条件和局限性。
Based on comparison of acoustic data logged in different conditions of cementation, casing and borehole, the applicable condition and limitation of through-casing acoustic logging are summarized.
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