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已建成的水平井大多采用裸眼完井和筛管完井。Most wells completed with open hole or screen.

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.

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本文对激光切割石油筛管过程中的温度场进行了理论研究。The temperature fields of oil-pipe in laser cutting were studied theoretically.

伴胞为与筛管分子等长的一列或单个细胞。Companion cells arrange in a row or single cell as long as the sieve tube member.

伴胞为与筛管分等长的一列或单个细胞。Companion cells arranse in a row or single cell as long as the sieve tube member.

二硝基酚影响蔗糖的吸收或者分化到筛管里。Dinitropheol exerted its effect on sucrose uptake or secretion into the sieve tubes.

衰退期筛管分子细胞质完全解体消失，失去功能。In degenerate stage, the cytoplasm completely disappeared, and the function was lost.

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油井水平段长度为5，000-6，000英尺，此外还需要采用绕丝筛管进行防砂。The wells have 5,000-6,000-ft horizontal sections and need wire-wrap screens for sand control.

它通过裂缝或预填充筛管系统放置在地层中。It is placed in the formation via a fracture, frac-pack, gravel-pack, or pre- packed screen system.

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.

因此，按规定的深度割胶，并不直接切断有功能的筛管。Hence the conducting sieve tubes do not necessarily be cut off at the usual cut- ting depth required.

本实用新型涉及油田油井开采领域中用到的一种刚玉筛管。The utility model relates to a corundum sieve tube used in the field of oil field and oil well production.

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莲幼苗初生维管系统中的筛分子为筛管分子。The sieve element of the primary vascular system of the seedling of Nelumbo nucifera was sieve tube element.

水平井若采用筛管防砂，合理的防砂网孔径的确定尤为重要。Reasonable aperture of sand prevention meshwork is important if liner in sand prevention of horizontal well is adopted.

韧皮部中筛管分子的端壁是由4—6个梯状排列的筛域组成的复筛板。The end walls of sieve-tube elements in the phloem have 4—6 specialized sieve areas which together form compound sieve plates.

筛管和衬管的堵塞和腐蚀会损害整个完井系统的功能性，缩短油井寿命。Like plugging, the corrosion of screens and liners compromises the functionality of the entire completion and shortens well life.

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.

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方法采用筛管悬挂防砂管柱工艺对克拉玛依六、九区浅层稠油进行砂控研究。Method This paper studies sand control for shallow heavy oil in block 6 and 9 in Karamay by using screen hanging sand control technology.

由于增加了斜形卡环槽，使得筛管出入井顺利，作业也方便。Because the inclined snap ring grooves are added, the screen pipe can enter and exit the well favorably and the operation is also convenient.

分析了激光切割筛管过程中常见的质量缺陷及产生的原因，并提出了工艺解决方案。The paper analyzes the causes of common quality defects in slotted screen laser cutting, and advances preventive measures against the defects.