Calculation Analysis on Force Deformation of Packer String with Free Movement;
允许自由移动的封隔器管柱受力变形计算分析
A string-supporting centralizer used in water plugging and water injection operation;
一种ZC型堵水注水管柱支撑扶正器
l production technology of zone replacement by downhole immobile string.;
井下不动管柱换层采油工艺技术
Research on pipe string distortion and hardness check in water injection well with high pressure;
高压注水管柱变形及强度校核研究
Discuss on pipe strings for fracture operation of heavy-deviated and much deeper well;
大斜度超深井压裂管柱探讨
Research and application on the separated layer polymer-injection pipe string;
分层注聚管柱的研究与应用
When the whole layered water injection strings have been run into the hole,the pressure test for the tubing strings often can not meet the requirement of the standards,and when the next packer-check operation is conducted,the whole tubing strings can not be pulled out of the hole while we try our best to do it.
水井分注、卡封作业时普遍存在管柱试压不达标,下次检封仍不能起出全部管柱的问题。
Integrated and back-off tubing string for the separate zone production in the reducing well is designed.
设计了整体式和丢手式缩径井分层采油管柱,研制了Y341型和Y441型缩径井封隔器、液压倒扣丢手工具、缩径井分流开关等井下工具,配套形成了可实现对缩径段以下封闭层有效封堵的缩径井分层采油工艺管柱。
A mathematical model was proposed for describing the longitudinal and transverse vibrations of sucker-rod string,longitudinal vibration of tubing string coupled with fluid columns vibration in the directional and horizontal well bore with plane curve.
针对定向井有杆抽油系统,在井眼为平面曲线的情况下,给出了描述抽油杆柱横向和纵向振动以及管柱有纵向振动并耦合液柱振动的数学模型,讨论了有杆抽油系统几种主要数学模型间的关系。
tube and ball type steering column
球轴承套管式转向管柱
work string-casing annulus
工作管柱-套管环空
casing-work-string annulus
套管-工作管柱环空
circular-passage gaslift string
环形空间出油气举管柱
workstring reciprocation
工作管柱上下往复运动
floating in casing
下部装回压阀的套管柱
open hole single packer test string
裸眼单封隔器测试管柱
tilt and telescopic steering colum
倾斜和缩进式转向管柱
graduated tubing
直径分段减小的油管柱
tapered tube rotameter
锥形管柱式旋转流量计
inflatable packer test string
胶囊封隔器测试管柱
METHODS GC was used with packed column and capillary column, respectively.
方法同一样品采用填充柱与毛细管柱分别测定。
Research of Joints of Steel Frames Transferring Force Outside Rectangular Tube Column;
矩形钢管柱柱外传力钢框架节点性能研究
STUDY ON BODY COEFFICIENT AND PILE CLUSTER EFFECT OF CONCRETE PIPE COLUMNS IN SUPPORT STRUCTURE SYSTEM OF AIR COOLED CONDENSER
空冷支架结构管柱体型系数与群柱效应研究
A stele that has a solid core of vascular tissue.
原生中柱一种有管状组织的实心中柱
cylindromatous bronchial adenoma
圆柱瘤型支气管腺瘤
roundworm having a preanal sucker.
有一圆柱形吸管的蛔虫。
column, structural, of iron or steel
结构柱管,铁或钢制
