On the base of that, the matching construction of the ocean workover rig for side tracking was discussed. This provided a new way for the slim hole drilling.

Slim hole drilling technology can be used to recover the low permeability poor reservoirs efficiently, as the conventional development method costs too much and produces little profits.

为解决我国大量低渗透、低丰度储量无法动用的问题，近年来分别在大庆、吉林和长庆等油田分公司开展了小井眼钻井技术的研究与试验工作。

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The second part mainly analyse the problems needed to be studied and solved in slim hole drilling technology and so1ution level of them up-to-date abroad.

第二部分着重分析了小井眼钻井技术中需要研究解决的问题，以及国外目前解决的程度。

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The slim hole drilling techniques have been applied to Sulige gas field, Changqing, in order to raise integral development effectiveness to reduce development cost.

为提高整体开发效率，降低开发成本，长庆苏里格气田应用了小井眼钻井技术。

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The status-quo of slim hole drilling technology in China and the world To bore ( a shaft) with a trepan.

国内外小井眼井钻采技术的发展现状钻用钻井机钻（矿井）

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It analysed the feasibility and the limitation of applying mining rig and water well rig to slim hole drilling in shallow gas bearing reservoirs.

分析了矿业钻机与水井钻机用于浅层天然气小眼钻井的可行性及局限性。

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Slim hole drilling can gain more benefit by using lesser investment. The technology has important effect on controlling drilling cost.

小井眼钻井能以较少投资获得较高的勘探开发效益，主要是提高产量或储量，提高采收率，降低钻井成本，小井眼钻井技术对控制钻井成本具有重要意义。

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With the development of drilling technique, deep slim hole drilling technique has become an important technique for treatment geologic case.

随着钻井技术的发展和需要，深井小井眼钻井技术已成为处理地质情况的一项重要的技术手段。

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Discussion on increasing slim hole drilling speed Increasing Peripheral Frictional Resistance of Bore-hole Pile

提高钻孔灌注桩周边摩阻力

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If we use MMA for bedrock consolidation grouting, the parameters of weakly weathered rock can be lifted to the level of slightly weathered or fresh rock.

用于基岩固结灌浆，能使弱风化岩体的参数提高到微风化或新鲜岩体的水平；

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The conclusions are as follows: ( 1) Because of bad physical mechanical property of rock mass, low strength, so many structural planes and minor faults which leads to weak strip after weathered, the homeostasis of the slightly weathered rock slope is serious.

得出以下主要结论：（1）浅变质岩风化层边坡岩体的物理力学性质差，强度低，坡体内构造面、小断层发育，风化后形成软弱带，导致浅变质岩风化层边坡自身稳定性差。

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The kinetic energy is more than 98 percent and energy from effective thrust force is less than 2 percent when drilling in slightly weathered rock or fresh rock.

在风化程度较低或新鲜岩层中钻进时，破碎岩石98%以上的能量来自系统的动能，而轴压力推动钻头位移所给出的能量不到2%；

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Specification: slightly turbid and transparent in appearance;

规格：色状透明、浊；

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Odorless, slightly bitter taste, soluble in water, slightly soluble in ethanol, insoluble in ether.

无臭，味微苦，易溶于水，微溶于乙醇，不溶于乙醚。

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Eliminating shoots led to slightly increase in soluble sugar and starch content of leaf, and no change in other variables.

去笋减库使叶、根的可溶性糖和淀粉含量稍有升高，对其他参数影响不大；

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The dependence of the adsorbability of slightly water soluble metal compounds on the pH value of the solution is very similar to that with activated carbon as adsorbent.

难溶金属化合物在树脂上的吸附率与溶液pH值的关系与采用活性碳作吸附剂的情况十分相似。

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Now Garlic oil injection is withdrawn from markets for its potential hemolytic toxicity caused by Tween-80, a kind of solubilizing agent used to improve the solubility of Garlic oil since Garlic oil is slightly soluble in water.

因大蒜油水溶性差而使用吐温-80作为增溶剂的大蒜油注射液因吐温-80的溶血性，现已被禁止使用，现国内外没有可供注射的大蒜油制剂。

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DBM is white or light yellow crystalline powder, soluble in ether, chloroform, xylene, toluene and sodium hydroxide solution, slightly soluble in ethanol, very slightly soluble in water.

本品为白色或浅黄色结晶粉末，易溶于乙醚，氯仿，二甲苯，甲苯及氢氧化钠水溶液，微溶于乙醇，极微溶于水。

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Isoamyl propionate is a colorless liquid with a pineapple and pear aroma, slightly soluble in water, miscible in ethanol, ethyl ether, insoluble in glycerin.

丙酸异戊酯是无色液体，具有菠萝及洋梨香气，微溶于水，可混溶于乙醇、乙醚，不溶于甘油。

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The agent is particles with a size range from 1 mm to 8mm, and does not dissolve in water, but is slightly soluble in oil, and with a high elastic deformation capability.

该堵剂是不溶于水、微溶于油、可任意变形、拉伸韧性强的颗粒，其粒径范围为1~8mm。

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It is appearance of pure white powder monoclinic crystal, slightly soluble in water, low toxicity, rat oral lethal dose greater than 3g/ kg body weight.

外观为粉末状纯白色单斜棱晶体，微溶于水，低毒，大鼠口服的半数致死量大于3克/公斤体重。

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