查询词典 casing splitter

The application of φ339.7 mm casing drilling technology in batch drilling on the Chenghai-1 platform in Dagang Oilfield was introduced in detail,including tools used in casing drilling,structures and principles of casing driver and the casing shoe,major equipment requirements of casing drilling,drilling process,and cementing techniques without drilling rig.

埕海一号平台13口井表层套管批钻井的应用结果表明，采用套管钻井技术可以缩短钻井周期，提高机械钻速，降低钻井成本，而且国产套管钻鞋的钻井指标已接近国外公司同类产品的技术水平，虽然成本相对较高，但批量生产后成本会显著降低。

Retrieved the casing loads, making use of casing inwall displacements, which provided the research basis for casing deformation under non-uniform loading and prevention measures for casing collapse.

通过对套管内壁部分位移的优化反分析求出套管所受的内压及外载大小，为研究套管在非均匀载荷作用下的挤毁问题和套管损坏防治措施提供了依据。

Through investigation and analysis to several wells with CBL VDL and CCL. it is found that there are different characteristics in well logging images for the joint parts of API casing with buttress thread coupling, casing with special thread coupling and connecting casing with special thread. Abnormal CCL and CBL curves and VDL waveforms indicate casing failure position and damage pattern.

经过对多口井CBL、VDL和CCL套管测井结果进行了调查研究和分析，发现API接箍式偏梯形螺纹接头套管、接箍式特殊螺纹接头套管和直连型特殊螺纹接头套管接头部位在测井图像中均有不同各自的特征，不正常的CCL和CBL曲线和VDL波形位置表明了套管损坏位置和损坏形式。

Actually, downhole casing is cemented at its bottom, and fastened by casing head at its top, so the axial tension caused by internal pressure does is not loaded by the casing, instead, by well bottom and the casing head, etc..

实际井下套管下端被水泥固定，上端被套管头固定，此时套管承受内压所产生的轴向拉力，并不作用在套管上，而作用在井底和上端约束上。

The dishwashing compartment here has at least one compartment casing (30) and a frame part (3), in which case the compartment casing is formed from a first material, e.g. chrome steel, and, in the region of the introduction opening (2), the frame part (3) consists of a second material, e.g. chrome-nickel steel, which forms a front surface of the dishwashing compartment, and wherein the frame part (3) is connected in a form-fitting manner to the compartment casing, in which case the penetration of moisture into a region of overlap (4) between the frame part (3) and the compartment casing (30) is avoided.

这里所述的清洗舱室具有至少一个舱室壳体(30)和框架部件(3)，在这种情况下，所述舱室壳体由第一种材料制成，例如铬钢制成，并且，在导入口(2)区域，所述框架部件(3)由第二种材料组成，例如铬镍钢组成，该框架部件形成清洗舱室的前表面，并且，其中框架部件(3)以形状配合的方式连接至舱室壳体，在这种情况下，可以避免潮气渗入框架部件(3)和舱室壳体(30)之间的重叠区域(4)。

Combined with the macro-morphology appearance analysis and working conditions of failure casing, the paper reached a conclusion that it is due to the impact and friction which come from the drill tools made the fatigue cracks formation on the casing thread root, and eventually leading to casing rupture failure, the material defects in failure casing accelerated crack initiation and growth.

摘 要：某井在钻井作业过程中，发生了上层Φ244.5 mm技术套管断裂失效事故，为了分析事故原因，对失效套管材料的化学成分、金相组织和力学性能进行了检测分析，结合套管失效形貌的宏观分析和套管使用过程中的现场工况分析，得出了套管螺纹发生断裂失效的原因是钻具对套管的撞击、摩擦，使套管螺纹根部产生疲劳裂纹，最终导致套管断裂失效，失效套管的材料缺陷加速了裂纹的萌生和扩展。

Thirdly, on the basis of the productivity model of ideal wells , we comprehensively consider the additional pressure caused by different completion methods and establish four structures of multilateral horizontal wells in 8 different completion methods of the actual open hole completion, slotted liner completion,slotted liner completion with external casing packer, open hole downhole gravel pack completion, openhole prepacked gravel liner completion, casing perforated completion, inside casing gravel pack completion, inside casing prepacked gravel liner completion.

在理想井产能模型的基础上，综合考虑不同完井方式所造成的附加压力损失，建立了这四种分支水平井结构在实际裸眼完井、割缝衬管完井、带ECP的割缝衬管完井、裸眼井下砾石充填完井、裸眼预充填砾石筛管完井、射孔完井、套管内井下砾石充填完井、套管内预充填砾石筛管完井等8种不同完井方式下的产能模型。

The functions of casing for in-situ leaching of uranium,effects of casing wall thickness on bearing force,advantages and application of thin wall casing are discussed,and the practical suggestions to thin wall casing test and application to be conducted in China are proposed.

集国内外地浸采铀套管应用的经验，讨论了地浸采铀钻孔套管的作用，套管壁厚对套管受力的影响，薄壁套管的优势及应用，并对我国开展薄壁套管的试验与应用提出具体的看法。

When the oil level in the lower casing reaches the intermediate mark in the oil window (not stop feeding oil to the gear reducer from filter press), startup oil pump in the lubricating station to feed oil to lower casing. In order to assess the oil level in the upper casing, it is allowed to remove the plug screw of observation hole at thrust bearing oil sump in the upper casing.

较为方便的方法是拆除减速机箱体中分面法兰上的呼吸器，利用其安装孔对减速机下箱体进行加油，当减速机下箱中的油位到达后油窗中间刻线时（不停止滤油机对减速机的加油），可以启动润滑站油泵对减速机上箱体进行加油。

In order to facilitate quantitative analysis, a rational model of physics for a rise inverse sine structure of 1×2 S-branch power splitter in glass is proposed. In thermal ion exchange, the distribution of normalized refractive index of two-step ion-exchanged optical power splitter and the distribution of splitter refractive index of different exchange time have been gotten.

为了便于定量分析，采用了一种上升反正弦S型分支光波导系统的物理模型，得到了在热扩散条件下两步离子交换光功分器波导区的归一化折射率分布和在不同交换时间所形成的玻璃波导折射率分布。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。