The paper introduces the reaming technology of lateral drilling, discusses the mechanism of reducing reservoir damage by using reaming technique.
介绍了侧钻井扩孔施工工艺，探讨了用扩孔技术减少侧钻井油层损害的机理。
With the increasing demand of the lateral drilling and slim hole drilling, the coiled tubing (CT) operating technique will play a great role in horizontal well drilling, well workover and completion.
随着我国侧钻井和小井眼钻井需求的不断增加，连续油管作业技术在我国水平井钻井、修井及完井作业中将会发挥巨大作用。
To make lateral reservoir prediction by using synthetic acoustic logging section before the development of Aershan oil field is an important measure for reducing the drilling failure.
在阿尔善油田进入开发之前，应用合成声波测井剖面技术对油层进行横向预测是减少钻探失误的一项重要措施。
Lateral reservoir prediction using seismic data needs to make seismic data direct correlative with drilling and logging data, then to comprehensively interpret rock formations.
利用地震资料进行储层横向预测，是先将地震资料变成可与钻井、测井资料直接对比的形式，然后以岩层为单元进行综合解释。
This paper analyzed the practical situation of drilling string lateral vibration during drilling, established mechanical model.
文章针对钻井工程中钻柱横向振动的实际情况，建立力学模型。
In the process of drilling, the rotating control head is often damaged by the lateral force of the kelly, and this may lead to serious accident.
在钻井过程中，方钻杆的侧向力作用常常导致旋转控制头损坏，造成事故。
At present, axial load and excited origin of drilling string lateral vibration is usually neglected.
目前对钻柱横向振动的研究基本上忽略了横向振动的激发来源和轴向力的存在。
On the basis of the interaction model between formation and rock bit, a lateral vibration dynamic model of the rock bit was established under the interaction between drilling string and rocks.
在建立牙轮钻头与井底岩石互作用模型的基础之上，建立了基于钻柱和岩石互作用下的牙轮钻头横向振动动力学模型。
The rule of lateral vibration under axial load was studied in theory, the inherent frequency of drilling string was obtained.
从理论上分析了轴向载荷存在的情况下钻柱横向自由振动的规律，获得了钻柱横向振动固有频率。
Although drilling cost of a multi-lateral horizontal well is higher than a straight welt a horizontal well can replace many straight Wells and has comparable production.
虽然其钻井成本比直井高，但是一口水平井往往可以取代多口直井，且具有相当于多口直非的产量。
TK908DH well was an deepest well with dual lateral, and the difficulty of drilling run up to international grade scale TAML4 level.
TK 908dh井是目前国内完成最深的双分支井，施工难度达到国际分级标准TAML 4级。
Obvious clinical manifestations, diagnosis is relatively straightforward, taking knee joint lateral retinaculum lysis. Some patients taking cartilage lesions clean-up and drilling in the treatment.
临床表现明显，诊断较明确，采取了外侧支持带松解，部分患者采取软骨病灶微骨折术治疗。
Obvious clinical manifestations, diagnosis is relatively straightforward, taking knee joint lateral retinaculum lysis. Some patients taking cartilage lesions clean-up and drilling in the treatment.
临床表现明显，诊断较明确，采取了外侧支持带松解，部分患者采取软骨病灶微骨折术治疗。
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