而目前连续油管疲劳寿命预测理论还很不成熟。
The prediction theory of this field is far more complete. The coiled tubing fatigue study method was outlined in this paper.
预测连续油管钻机将成为21世纪的主要钻井装备。
CT drilling rig will become the major drilling equipment in 21 century.
SPECTRUM诊断服务的连续油管完全下至井底。
SPECTRUM Diagnostic Services coiled tubing is deployed to the bottom of the well.
随连续油管材料抗拉强度的提高，其疲劳寿命明显增加。
The fatigue life of the coiled tubing also increases with the improvement of its tensile strength.
海上固定、浮动设施，有需要连续油管(CT)作业的情形。
Offshore coiled tubing (CT) operations in demanding environments on fixed and floating facilities.
连续油管工作寿命短是影响连续油管作业成本的主要因素之一。
Coiled tubing(CT) life is very short, which is main fact to affect cost of CT services.
然而，随着油井种类的改变，对碳钢连续油管的要求也发生了变化。
The nature of the Wells, however, has changed, which, in turn, has changed the demands placed upon CT.
连续油管井下屈曲行为问题是连续油管井下作业成败的关键性问题。
The problem of the behaviors of coiled tubing down-hole buckling is the key of the success of coiled tubing down-hole operation.
连续油管拖动酸化技术正是在这种背景下开发出的一种新的增产工艺。
Drag the acidification of coiled tubing technology is in this context to develop a new output technology.
分支井眼长度往往受作业能力、成本和连续油管有效磨铣长度的限制。
The lateral length is restricted by the capabilities, costs, and length of ct for effective milling.
通过对锁定条件的分析，指出了增加连续油管在水平段下入深度的途径。
By locking conditions, the analysis pointed out the increase under paragraph coiled tubing in horizontal depth of approach.
连续油管工作条件恶劣，受力状态复杂，失效形式中疲劳断裂所占比例较大。
Coiled tubing have relatively poor working conditions and complex force state. In the forms of failure, fatigue fracture failure is the larger proportion.
但由于连续油管与钻具、常规油管相比的轻、柔属性使其在井下受力特别复杂。
However, compared with drilling tools or regular oil tubes, the coiled tubing is so light and flexible that it makes it complicated with its own endured forces in the well.
连续油管作为连续油管作业机的关键设备，对其工作状况进行检测是十分必要的。
Coiled tubing is the key equipment of the coiled tubing machine. It is important to test and inspect its condition.
结合现场调研和有关文献资料，根据故障树分析理论，用演绎法建立了连续油管的故障树。
The coiled tubing fault tree is constructed based on field investigation and relevant literature by use of the fault tree analysis theory.
连续油管在工作时除受卷绕弯曲和拉伸载荷作用外，管内常受到内压作用，承受三轴应力。
When working, coiled tubing is loaded by bending, drawing and inside pressure, so that it would bear three dimension stress.
并利用第四强度理论，对连续油管在轴向拉力与内外压力的作用下的综合应力进行了校核。
And use the fourth strength theory, the axial tension in the coiled tubing under the influence of internal and external pressure from a comprehensive stress of checking.
油管滚筒是其重要的组成部分，用以均匀地缠绕连续油管，使连续油管柱能顺利进出滚筒。
The reel is one of the important part of the coiled tubing unit, its use to wrap the coiled tubing uniformly, and make the coiled tubing string in and out of the reel smoothly.
在生产之前，通过连续油管，可以消除支撑剂未置换体积（相关技术，参见第2.4.3）。
This underdisplaced volume of proppant will have to be removed by coiled tubing prior to production (see Section 2.4.3 for techniques).
较低退火温度获得高强度、高屈强比易表现出循环软化特征，不利于提高连续油管的疲劳寿命。
At lower annealing temperature obtain high strength and high yield ratio showed cyclic softening feature easily. That is detrimental to the using life of coiled tubing.
在常规碳钢连续油管提供的有效条件下接近含硫井，以完成各项采油修理工作的要求日益增加。
Accessing sour Wells under live conditions, to perform the usual range of interventions offered by CT, is an increasing requirement.
连续油管作业简单省时、安全可靠、节约成本，在水平井作业中具有其他设备不可替代的优点。
The coiled tubing can make work easy, safe and reliable and also can save time and reduce the costs so that it cannot be replaced by any other equipments in horizontal well treatment.
在起下油管过程中，滚筒操作手柄始终处于上提油管位置，以使连续油管紧紧地缠绕在滚筒上。
In the process of up and down the tubing, the operating handle of the reel is always in the lift position, so that the coiled tubing can tightly wound on the reel.
介绍了连续油管直径恒磁测量原理及方法，给出了测量装置的构成和实验数据，分析了其测量精度。
The principle and approach of constant magnetic measurement for diameter of coiled tubing is introduced, and an instrument for the measurement is designed.
SPECTRUM诊断服务采用连续油管传输的分布式光纤感应系统来实时评估完井和生产效果。
SPECTRUM Diagnostic Services utilizes coiled-tubing-conveyed, fiber-optic distributed sensing for real-time evaluation of completion and production effectiveness.
研究连续油管钢循环应力-应变行为发现：相同试样在不同的恒应变幅下，表现出不同的循环特征。
To study of coiled tubing steel cyclic stress-strain behavior was found that: the same sample at different constant strain rate, the performance of cycle characteristics is different.
连续油管装置具有独特的设计和结构，在不起下油管的情况下，可以完成多种井下常规作业和特种作业。
The coiled tubing unit, which has unique structural design, can be used to many downhole conventional or special operations, in which there is no need to make up and break out tubing thread.
连续油管装置具有独特的设计和结构，在不起下油管的情况下，可以完成多种井下常规作业和特种作业。
The coiled tubing unit, which has unique structural design, can be used to many downhole conventional or special operations, in which there is no need to make up and break out tubing thread.
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