In this article, a new theoretical model on diametral growth of coiled tubing under the action of an internal pressure is derived based on fatigue cyclic softening and elasticity and deformation plasticity theories.

根據(jù)疲勞循環(huán)屈服強(qiáng)度衰減模型和彈塑性變形理論一級毛片黃色三級片黃色，推導(dǎo)了連續(xù)油管在內(nèi)壓作用下的直徑增長的理論模型性爱视频国产免费。

Then, a logic computational diagram is constructed for calculating diametral growth by assuming fatigue cyclic softening, namely yield strength reduction as tubing fatigues.

再通過合理的假設(shè)日韩成人作爱在线视频播放网站，建立用于計(jì)算直徑增長的計(jì)算機(jī)邏輯框圖。

A finite element incremental weighted iteration method, which can avoid divergency and speed up the convergence process,was proposed to solve the problems of tubing buckling in deviated wells.

建立了直井中有重鉆柱非線性屈曲平衡方程及相應(yīng)的泛函表達(dá)式456欧美视频在线，構(gòu)造了一種能避免發(fā)散并加速收斂的有限元增量加權(quán)迭代法求解斜直井中鉆柱屈曲問題羞羞AV漫画在线漫画网免费福利，首次采用直接求解非線性特征值的方法來分析鉆柱屈曲問題。

They do not require an external hydraulic pump or tubing, but operate by moving hydraulic fluid from one side of a double-acting cylinder to another.

它們不需要外部液壓泵或管一级性生活久久无码，但經(jīng)營97资源共享夫妻福利视频，從一個(gè)一個(gè)雙作用液壓缸端到另一個(gè)。

For this small little piece I use a combination of " stainless tubing, 1" dowel and a 1 3/8 section of a shovel handle!

為這個(gè)小小作品我使用相結(jié)合的6.3 "不銹鋼管国产精品欧美久久让激情，一"柱和1 3 / 8 一節(jié)一鏟處理国产午夜免费A片完整版视频网站！

We applied high quality of steel from Japan and the United States for raw materials , oil drilling industry as market, advanced technology and equipment as means, financial support as backing to rapidly grow up as a integrated enterprise with a large scale of production and marketing channel for oil casing, pipeline , drill pipe, drill collar, refinery tubing etc.

我們以日本、美國的優(yōu)質(zhì)鋼材為原材料黄片短视频久久，以石油鉆采行業(yè)為市場(chǎng)伊人影院在线操在线干影院，以先進(jìn)的技術(shù)裝備為手段，以金融界的資金支持為后盾迅速發(fā)展成為可以大量生產(chǎn)和供應(yīng)油套管18禁啪啪啪网站、管線管caopo超碰地址发布页用户登录、鉆桿、鉆鋌日韩AV一级毛片久久久、煉化管等產(chǎn)品的綜合性企業(yè)成人免费黄网站。

Comparison of the SISS with the others shows that the SISS solved the problem of conventional magnetic azimuthal surveying method in ferromagnetic casing tubing drill stem or magnetic formation and its measurement precision is better than that of frame gyroscopes surveying system .

與傳統(tǒng)的磁方位測(cè)量方法和框架式陀螺測(cè)量系統(tǒng)的比較結(jié)果表明，該系統(tǒng)克服了磁方位測(cè)量方法在套管自拍偷拍唯，鉆桿影音先锋天堂最新少妇av，油管以及在磁干擾地層中測(cè)定方位時(shí)存在的問題，其測(cè)量精度優(yōu)于框架陀螺系統(tǒng)欧洲一级爆干。

Drill stem test ; tubing conveyed perforation ; design

鉆柱地層測(cè)試91原创国产在线；油管傳輸射孔；設(shè)計(jì)

On the basis of the criterion of constant magnetic inspection, an apparatus for testing the coiled tubing ellipticity with constant magnetic field is developed.

針對(duì)連續(xù)油管儲(chǔ)藏韩av.com、使用和壽命分析對(duì)橢圓度檢測(cè)的要求自拍偷拍欧美综合，根據(jù)恒磁檢測(cè)原理和簡化等效磁路的計(jì)算分析，研制了連續(xù)油管橢圓度恒磁檢測(cè)裝置3344300部。

The construction method of indoor gas copper tubing embedment, problems existing in the installation and the solutions are discussed, and the cost analysis is made.

探討了室內(nèi)燃?xì)忏~管暗設(shè)的實(shí)施方法婷婷综合一区、安裝中出現(xiàn)的問題和解決方法，進(jìn)行了成本分析麻豆国产精品。