钻井

Some methods that are usually used now and their characteristics of bore-hole trajectory are introduced; Analysis the main factors which affect bore-hole trajectory; A model of rock-bit interaction is developed by accounting for the anisotropic drilling characteristics of both the formation and the bit; Base on the model of static behavior of a bottomhole assembly design a bore-hole trajectory; produce a demo of bore-hole trajectory base on 3DS Max.

本论文对井眼轨迹反演理论及方法作了简要的分类，介绍了几种目前常用的井眼轨迹反演方法及其特点；分析了影响井眼轨迹的主要因素；综合考虑地层和钻头的各向异性钻井特性，建立钻头与地层相互作用模型，基于钻柱底部组合力学模型设计出一条井眼轨迹；制作了基于3DS Max的井眼轨迹演示动画。

It is explained by the experimental results and geothermal data from the superdeep borehole.

并用实验室的结果和超深钻井中所观测到的热流值资料解释了这一现象。

Algae, echinoderm, bivalve, and reef-building organisms including bryozoan, coral, stromatoporoids, and sponge are conserved in the carbonate of the Yijianfang Formation.

通过对塔河南盐下地区28口钻井岩心中奥陶统一间房组的详细描述和3 200余块薄片的鉴定，确认其主要的岩石类型有生屑灰岩、生物灰岩、藻球粒灰岩、含核形石灰岩、鲕粒灰岩、内碎屑灰岩、微晶灰岩、海绿石灰岩。

This standard is applicable to casing running operations in oil and gas well.

本标准适用于石油、天然气钻井的下套管作业。

The Riverkeeper , a New York environmental group, has called for a permanent ban on drilling in ecologically sensitive areas such as the state's Catskills region.

纽约的一个环保组织护河者已经要求颁布法令，永久禁止在生态敏感区，例如该州的卡兹奇山，进行钻井作业。

According to the work principle, mechanical model theory and simulation analysis of the hydraulic control valve of the drilling tool, the optimal design parameters of the angle of center of circle of the high pressure hole of upside valve are proposed

通过对调制式旋转导向钻井工具液压盘阀机构的工作原理、力学模型的理论和仿真分析，给出了上盘阀高压孔圆心角的最优设计参数

Temporarily tape a template to the control panel and use a center punch to mark the drill holes and insure that their location does not wander during drilling.

暂时磁带模板，控制面板，并使用中心的力度，以标志孔和保证他们的位置不徜徉在钻井过程。

In sea chests and rig chain locker, anodes to be located.

于船体上。海水箱和钻井锚链舱亦装阴极。

Based on the principles that the cyclic change of base level controls the formation and distribution of sequences and in combination with the comprehensive analyses of drilling, logging and seismic section, the Ordovician sequence stratigraphic framework in Tazhong area is established.

根据基准面旋回变化控制层序形成和展布的有关规律，并结合钻井、测井和地震等资料，综合分析建立了塔中地区奥陶系的层序地层格架，共包括5个三级层序。

Chlorine dioxide catalysis/oxidization is proved to be worth of popular application.

二氧化氯催化氧化在处理钻井废水中具有很高的推广应用价值。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。