查询词典 casing

The fundamental principle is that the acoustic signal will be more attenuated in the presence of cement than if the casing were uncemented.

基本原理是声波信号在胶结存在时的衰减比胶结差时的要大。

On the basis of producing status quo of outlying oil well and stripper/low permeability oil well,a new type of mobile pumping equipment—CYC20 pumping truck is developed.It is based on the underbalance production principle,using specially made swab direct produce crude oil in casing.

针对边远油井、低产低渗油井开采的现状，研制开发出了一种新型移动抽油设备———CYC2 0型抽油车，它根据负压采油工艺原理，利用特制的油抽子在套管中直接抽汲原油进行采油。

The invention is characterized in that: the ultraviolet flame sensor comprises a uviol piece, a meshed anode which is arranged on the uviol piece, a cathode substrate glass piece, a photocathode which is arranged on the cathode substrate glass piece, a glass ring which is arranged between the cathode and the anode, a vacuum orifice which is arranged on the glass ring, a plastic packaged base which is arranged under the cathode substrate glass piece, a cathode and an anode lead which are adhered to the plastic packaged base and are respectively connected with the cathode and the anode, and a plastic casing which is arranged around the plastic packaged base, the glass ring and the glass piece.

其特征在于，其中包括：透紫玻璃片；网状阳极，该阳极层制作在透紫玻璃片上；阴极衬底玻璃片；光电阴极，该层制作在阴极衬底玻璃片上面；玻璃环，该玻璃环制作在阴极和阳极中间；抽真空口，该抽真空口制作在玻璃环上；塑封底座，该底座制作在阴极衬底玻璃片下面；阴极和阳极引出线，该引出线粘接在塑封底座上，分别与阴极和阳极相连接；塑料外壳，该外壳制作在塑封底座，玻璃环和玻璃片周围。

And it is suggested to apply UBD, to optimize drilling parameters when adopting the new casing programs, to optimize WOB and RPM, to choose optimal longlife highefficiency bits, etc.

针对新场气田深井钻井周期长、机械钻速慢、现有钻井技术影响和制约后期完井和增产的实际问题，深入分析研究了影响新场气田深井钻井提速的关键制约因素，提出了优化完井井身结构、推广应用欠平衡钻井技术的建议。

The replacement efficiency problems encountered in casing cementing practice in Caracoles Oil Field of Venezuela was resolved by using wall surface shearing stress cementing.

中国地质大学〈北京〉，中国石油勘探开发研究院廊坊分院北京100083，中国石油天然气集团公司，北京100724，河北廊坊065000

The soft sealing isolation technology is suitable for casing deformation well,corrosion control of commingled inje...

文中对软密封的原理、配方、性能试验和现场应用进行了介绍，通过在临盘油田 10口井应用，取得了较好的效果

On-line supplier of decorative mouldings, crown moldings, ceiling medallions, window casing, corbels and kneebraces.

对网上供应装饰模具，树冠成型，天花板大奖，窗口套管，牛腿和kneebraces 。

However, they do not support the weight of the casing very well in deviated wellbores.

但是在定向井中不能够很好地支撑套管的重量。

It proved to be wrong after dismantled the casing!

它被证明是错误后，拆除了套管！

The present invention is one opening hardware safety platform enclosed inside one casing and with relaxed application environment, powerful attack resistance and high reliability. The present invention has several enciphered algorithms, supports several kinds of application service, has high versatility, and may be used also in ciphering server, VPN ciphering gateway, SSL safety gateway, safety router, hardware fire wall and other safety devices.

本发明是一个开放式的硬件安全平台，组件封装在一个机壳内，对应用环境的要求低，抗攻击能力强，可靠性高；由于本发明提供多种加密算法、支持各种应用服务，通用性极高，也可以广泛应用于加密服务器、VPN加密网关、SSL安全网关、安全路由器、硬件防火墙等安全设备中。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"