The welded pipe products is partitioned into five arrangements as per its characteristics and its six developing directions toward thin wall thickness,thick wall thickness,high accuracy,high grade,inside burr removal and anti-corrosion,etc.are analyzed.

我國中小直徑焊管經(jīng)過20世紀80~90年代的飛速發(fā)展欧美三级电影视频网，品種結(jié)構(gòu)和應(yīng)用領(lǐng)域已經(jīng)有較大的改善高h视频一区，但是低壓流體輸送管、一般結(jié)構(gòu)管比例較大欧美日逼性交，與焊管發(fā)達國家在鍋爐一本大道中文无码播放、化工日韩手机黄色视频、油井、機械構(gòu)件欧美性大片视频免费播放在线、高壓流體輸送用承壓鋼管和精密鋼管領(lǐng)域不斷擴大焊管的使用范圍人人搞人人插人人看、提高高等級焊管使用數(shù)量方面存在一定的差距。

Requests on resistance of corrosion destructibility of sealing interfaces that related to sealing up and cementing exercises in petroleum engineering are more and more of rigidity. It is urgently needs to resolve all sorts of problems that affect interface bonding quality. Conventional cement slurry design resist the destructive function worse, and can't like to satisfy the request to carry on latter production such as perforation, acidify, fracture etc.

常規(guī)油井水泥抵抗破壞的性能較差亚洲一区二区三区在线中文字幕，不能很好滿足水泥環(huán)抗沖擊振動以及射孔久草无吗视频、壓裂等各種變形破壞的要求，這在一定程度上限制了小間隙美女扒开尿口给男人桶的动态图、大位移免费黄色网站污、定向與水平井等特殊鉆井工藝技術(shù)的發(fā)展，也制約了后期壓裂久久久久久久久精品无码中文字幕、酸化等諸多開發(fā)工藝措施的實施黄片免费看A片。

The Red Adair Company capped more than one hundred wells.

瑞德。埃德爾公司蓋住了100多個油井亚洲另类精品久久久。

This equipment use and popularity has the extremely vital significance to protect oil aerosphere, reduce the recovery cost, enhance the recovery ratio, protect environment.

作業(yè)完畢后www.在线毛片，尚需把高比重的壓井液替換出來，最為嚴重的是高比重壓井液對地層造成污染和堵塞中文字幕无码观看，導致區(qū)塊內(nèi)油井產(chǎn)量降低和注水井的過早損壞99视频色色。

Oil/water two-phase flow is very common in oil production wells of affusion oil field and the measurement of oil/water two-phase flow is the key of the oil/water two-phase profiling technique.

摘要注水開發(fā)油田的油井中普遍存在油水兩相流動，油水兩相流測量問題是油水兩相產(chǎn)出剖面技術(shù)的關(guān)鍵污污作文1000字男男。

Double Anchor Rod Pumps This pump is designed to be used in large anchor force oil well.

雙卡桿式抽油泵適用于要求錨定力大的油井日韩美女激情A片免费视频99。

The experimental results show that it is necessary to treat the formation with the temporary plugging agent to seal the pay zones for selectively injecting gel into aqueous layers when the effluent water pressure is higher than that of pay zones, or the fractures in oil-bearing zones are much wider than those in the aqueous layer.

在油井水層出水壓力高于油層壓力或者產(chǎn)油層裂縫大于出水層裂縫情況下，采用籠統(tǒng)注入方式堵水須進行暫堵處理www.97av.com，以封住產(chǎn)油層尹人网国产精品，使堵劑主劑選擇性進入水層。

Can be applied in oil wells of both high and low temperature.

在高溫油井和低溫油井均可使用A片观看。

In an oil well, the casing is a steel circular pipe, and it would confine and guide the electromagnetic wave propagating; and the electric properties of the fluid media would determine the propagation factor of the guided wave and affect the distribution state of the electromagnetic field.

油井內(nèi)的套管是鋼鐵質(zhì)圓管99re热视频这里只精品人人妻，對電磁波的傳播將產(chǎn)生限制和引導作用；油井內(nèi)流體介質(zhì)的電性質(zhì)將決定導波的傳播常數(shù)插美女下面，影響電磁場在井的軸向上和橫向上的分布狀態(tài)和波的傳播特性www.人人操人人射。

An oil well at the centre of a massive spill in the Timor Sea off the north-west coast of Australia is on fire.

澳大利亞西北海岸帝汶海大油井中心的一座油井發(fā)生火災(zāi)。