为设备进一步优化，提高割缝能力奠定基础。
Optimize further for equipment, raise kerf ability to lay a foundation.
有2项新型完井工艺，即水力喷砂射孔和水力割缝。
There are 2 new well completions, that are hydraulic sand jet perforation and hydraulic slotted liner technique.
工件原始尺寸和带割缝尺寸同时进行显示，直观方便。
Display original size and size with cutting slot compensation at sametime, easy to control conveniently.
材料选择和割缝结构优化是可膨胀割缝管的关键技术。
By testing on different material and slotting structure, according to expandable properties, an appropriate tubular material and slotting structure was optimized.
介绍了激光切割筛管的原理和割缝筛管数控激光加工机床；
The laser cutting machines and the principle of slotted screen laser cutting are introduced briefly.
最后提出了管材激光割缝时槽宽尺寸精度控制的补偿原则。
At last, the authors give a compensation principle for dimensional accuracy control of grooving kerf width with laser beam for seamless pipe.
介绍了特大煤样采用水力割缝提高瓦斯渗透率的实验研究。
The testing research about enhancing permeability rate by hydraulic cutting seam on outsize coal sample is introduced.
最后给出了复合缝腔割缝筛管在胜利油田的现场应用情况。
In the end the application of the liner in Shengli Oilfield is analyzed.
针对石油割缝筛管的现状，开发出了一种新型复合缝腔割缝筛管。
Aimed at the current status of petroleum slotted sieve tube, a kind of new typed slotted sieve tube with compound slot was developed.
最后对割缝增产的机理及磨料射流割缝工艺参数的选择进行了分析。
Finally, mechanism of slotting simulation and selection of technical parameters for abrasive jet slotting are analyzed.
利用所研制的水平井软件HWCS对割缝衬管完井的产能进行了预测。
The software of HWCS developed by ourselves, has been used to predict the productivity of slotted liner well completion.
数值模拟结果表明，水力割缝技术可达到使近井地带充分卸压的目的。
The results of numeral simulation show the hydraulic cutting techniques can reach the purpose to unload the zones near the well bore sufficiently.
介绍了适用于不同渗流能力的地层的割缝筛管防砂工艺及现场应用情况。
The technology of slotted screen liner sand control used in percolation ability formation and its field test was introduced.
这不仅提高生产率，而且能减少被割零件的变形量和割缝区的热影响区域。
This not only increase productivity, and cut parts can reduce the deformation and cut the heat affected zone seam.
断层结构由一块含两条平行割缝的大理岩平板模拟，模型试件在双轴试验机上加载；
The fault structure is simulated by a marble plate with 2 parallel slits that firstly cut and then filled with gypsum.
膨胀式防砂筛管由膨胀式割缝基管、相互重叠的金属滤网和膨胀式割缝保护套构成。
ESS consists of expandable slotted steel tube, overlapped metal screen and expandable slotted shroud.
在现场实践中，此方法对利用定量化指标评估水力割缝效果具有十分重要的指导意义。
In practice, the method is very useful to evaluate the results of hydraulic cutting with quantitative indexes.
针对割缝衬管完井方法，进行了完井参数、单根割缝衬管长度、完井管柱结构的优化设计。
For the well completion method by slotted liner, well completion parameters, single slotted liner length and pipe string structure in well completion are optimized.
采用开环系统和手动、自动模式切换装置，可以经济、有效、大量地加工带有窄缝的割缝筛管。
The slotted pipe with narrow slots can be mass worked economically and efficiently by means of open loop system and hand automatic model shifter.
介绍了稠油有限防砂技术的概念和原理及割缝筛管参数的设计原则，并对现场应用效果进行了分析。
Introduced concept and principle of heavy oil finite sand control technique, and also design principle of slotting screen pipe parameters were introduced.
在裸眼完井产能评价模型的基础上进一步推导出火山岩气藏射孔完井和割缝衬管完井产能评价模型。
Through the open hole completion productivity evaluation model, respectively derive perforated completion and slotted completion productivity evaluation models.
描述了割缝筛管防砂机理及割缝筛管筛缝宽度的确定方法，研究了割缝筛管与地层充填砂的配伍性。
It was described to confirm the mechanism of slotted screen liner sand control and its screen fractured width.
磨料射流油井割缝增产技术是利用磨料两相射流机理开发出来的用于油田提高油井采收率的一项技术。
The technique of abrasive jet cutting in oil well are developed to be used in increasing oil production by abrasive two-phase jet theory.
改变传统编程工艺，采用自动和手工编程方法相结合，实现共用割缝，以达到省工、省时、省料的目。
Change the tradition program craft, adopt the auto method and the manual method to realize common gap, then attain the purpose of the saving work, time and material.
传统的防治方法各有不足，将高压水射流割缝技术引用到防治冲击地压当中来，实现了本层煤的解放。
Conventional methods have inadequate, the technique of high-pressure water jet cutting was applied to release the pressure of coal layer.
干式等离子切割：又称风冷式切割，采用空压机对板材割缝喷气以达到冷却效果，此类切割成本较低，但是污染很大。
Dry plasma cutting: also called the air-filled type cutting, the air compressor to plank cut in order to achieve the effect of cooling seam jet, such cutting costs low, but pollution is very large.
其结果有利于指导在非均匀载荷作用下割缝的设计，对分析套管变形损坏的机理提供了依据，有利于对套损预防提出有效的建议。
The result is propitious to the optimization design of casing slotting under non-uniform load, and offers a gist for analyzing casing failure mechanism.
利用流体力学有关原理，导出阿基米德螺线槽流量特性方程，为水力喷砂割缝设备微型流量控制阀的设计、制造、实验、应用提供了初步理论依。
The equation has preliminarily supplied a theoretical foundation for design, manufacture, experiment and application of miniature flow control valve of the water jetting slit-cut equipment.
用激光不但可切割出任意缝型结构和布缝状态的筛管，而且在切割面上形成了较厚的硬化层，可增强割缝的耐磨性和耐腐触性，延长筛管使用寿命。
By using the laser cutting method, the screen pipes with arbitrary slot pattern can be machined, and the wear resistance and corrosion resistance of the pipes can be improved owing tot…
对割缝衬管在防砂井中受外挤力作用进行了分析，计算了井底压力（包括流体流经砾石层和割缝衬管的压降） ，建立了衬管割缝参数与割缝条幅弯曲强度及刚度之间的关系式。
The pressure of slotted pipes in a sandy well was analyzed. The bottom hole pressure was computed. A model for computing the bending strength and stiffness of a slotted pipe was proposed.
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