查询词典 drilling stem

The storage unit of measurement while drilling system is one of the important parts of rotary steerable drilling tool.

井下随钻测量系统的存储单元是调制式旋转导向钻井系统的关键技术之一。

The continuous steerable drilling technology is a new drilling technology.

连续导向钻井技术是近年来在现场实施的一项新的钻井技术。

Brief introduction for drilling technology of steerable rotary drilling system POWER-V［J］.

旋转导向系统 POWER-V钻井技术应用简介［J］。

New accessible long-term production and sale of foot brush pressure molding machine, drilling machine pressure foot gong machine spindle molding machine fittings imports of Chinese-made machine stress foot brush, foot stress tablets rigs such as the development of knife Block Sales: Taiwan substantial, Taiwan Li-song, Taiwan's total grid, Taiwan Ende, Germany SCHMOLL, Italian PLURITEC, USA ACC, the United States EXCELLON, Japan's Hitachi, Switzerland POSALUX, Chongqing substantial Vientiane, Chengdu Tianma stars VEKEN Han ten thousandNC NC East Units Klingelnberg long Ze 6 The United States United States Telemark Telemark 5 JAGER various drill chucks knife Block molding machine needle plate for industrial use in vitro toothbrush cleaning rod pin brush sets Central, QIC thrust bearing, air bearing surrounding the circuit board supplies, such as fittings, quality and high precision, stable quality, price concessions, there are hundreds of traders PCB supplies, drilling machine repair business with the Division has built cooperative relations many enterprises are designated suppliers, are popular among clients trust and support.

新易达公司长期生产，销售成型机压力脚毛刷，钻孔机压脚，锣机主轴配件成型机进口国产机压力脚毛刷，钻机压力脚垫片刀座等开发销售：台湾大量、台湾力嵩、台湾总格、台湾恩德、德国SCHMOLL、意大利PLURITEC、美国ACC、美国EXCELLON、日本日立、瑞士POSALUX、重庆大量万象、成都星维科天马大族数控万达松林数控东台KlingeLnberg 龙泽美国玛克6 美国玛克5 JAGER等各种钻机成型机夹头刀座针盘工业用牙刷试管通条刷销钉套环、QIC止推培林，空气培林等线路板周边耗材配件，品质精度高、质量稳定，价格优惠，全国有数百个PCB耗材贸易商，钻孔机维修商与本司建有合作关系，是众多企业公司指定的供应商，深受广大客商信任和支持。

Company is located in Wenjiang District in Chengdu Science and Technology Industrial Development Park, is a typical garden-style factories. 2001 Hong Kong fine drilling technology company successfully acquired the Italian Super Tigre, Italy, the introduction of full production line in Chengdu incorporated fine drilling technology Limited.

公司位于成都市温江区科技产业开发园内，是典型的园林式工厂。2001年香港精钻科技公司成功收购意大利Super Tigre 公司，引进意大利全套生产线，在成都注册成立精钻科技有限公司。

In drilling an offshore well, operators customarily discard overboard their drill cuttings with some unseparated drilling mud which is not actually mud but a combination of clay and chemicals.

在钻挖近海油井时，作业员经常随手把钻井岩屑包括未分离的钻井泥土倒入水里。（实际上那不是泥土，是一种泥和化学品的混合物

Percussive drilling ; rotary drilling ; penetration rate ; wave theory ; rock mechanics ; mathematical model ; force analysis

冲击钻井；旋转钻井；机械钻速；波动理论；岩石力学；数学模型；受力分析

In this paper the model of the thermal conduction between the wellhole and the formation was developed after considering the effects of the heat conduction and the heat convection on the basis of the law of conservation of energy, then the temperature distribution varied with the depth of the interior and the exterior of the drilling pipe was calculated during the gas drilling, which provides the accurate basic data for exact calculation of the temperature distribution of the wellhole.

本文根据能量守恒定律，考虑热传导、热对流的影响，建立了井筒和地层之间的热传递模型，计算了气体钻井过程中管柱内外沿井深的温度分布，为气体钻井计算井筒压力分布提供了准确的基础数据。

Starting from the view point of practical application, based on large amount of pressure well logging data home and abroad, the author demonstrated how to distinguish over-pressure formations using wellsite data, through selected methods such as drilling parameters, rock fragment analysis, drilling fluid parameters, and electric well-logging .

本文从现场实用性的角度出发，综合国内外大量压力录井资料，其中，选取了部分常用的压力评价方法，如钻井参数、岩屑分析、钻井液参数、电测井等，对如何利用现场资料来判断超压层进行阐述。

The DONGGUAN DALANG shengyi hardware factory is an enterprise of taiwan which majors in Producing Self-drilling screw , Wood screw, Self-tapping screw, Stainless Steel Self-drilling Screw Chipboard screw, Drywall screw.

东莞市大朗胜益五金制品厂是一家专业生产各种钻尾螺丝、木螺丝、自攻尖尾螺丝、不锈钢钻尾螺丝、塑板螺丝、干壁螺丝的台湾企业。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。