A constant ultra-low density slurry system is developed to fit for three different thermometric well conditions,which means the low temperature well (BHCT:49℃),medium temperature well (BHCT:89℃)and high temperature well (BHCT:170℃).

研究出分別適用于低溫（此處指井底靜止溫度為49℃的井況）国产黄色在线视频网站、中溫（此處指井底靜止溫度為89℃的井況）以及高溫（此處指井底靜止溫度為170℃的井況）條件下的恒密度超低密度水泥漿體系欧美一级A片视频在线播放。

In practical engineering the occurrence of heat transfixion can be reduced by reducing the value of Q, by increasing spacing of injecting and pumping wells, and by rectifying position of the injecting and pumping wells after a work cycle.

在實際工程中可降低抽国产丝袜福利在线、灌水量干欧美少妇，在條件許可的情況下可提高抽国产综合久偷自、灌井的間距wwwwxxxx国产，并可在抽、灌井運行一個周期后調(diào)整抽灌井位置亚洲精品免费线视频观看视频，以減少熱貫通的發(fā)生免费看看黄色片。

However,with the increase of well depth, complex architectual well and transmittable speed, the wired signal transmission is the inevitable development trends of intelligent drilling.

隨著井深的增加、復雜結(jié)構(gòu)井和欠平衡井的增多以及對傳輸速度要求的提高色哟哟WWW网址，電纜信號傳輸必然是今后智能鉆井的發(fā)展方向超碰免费公开人妻人人。

A dynamic formation evaluation may be also realized through the analysis of borehole gas unsteady flow, so that the analysis is an important component part of well test while drilling theory of underbalance drilling.

通過對井內(nèi)氣體不穩(wěn)定流動的分析，還可以實現(xiàn)鉆井過程中的動態(tài)地層評價一级毛片一级毛片AAAA级，因此一级免费视频国产，井內(nèi)氣體不穩(wěn)定流動也是欠平衡鉆井隨鉆試井理論的重要組成部分。

With constant depth study of exploration activity and development, the successful drilling of SongShen 101, WeiShen 5 and XuShen1-1 and so on, the underbalance drilling technology will be universally popularized and applied in DaQing oil field especially XuJiaWeiZi and ShenPing gas field and so on, it has very important meaning for valid development of outer oil field and hydrocarbon stimulating of DaQing oil field, it also offered powerful technical support for sustainable development of DaQing oil field.

隨著油氣勘探開發(fā)工作的不斷深入操美女视频在线网站，宋深101井天堂干屄免费视频、衛(wèi)深5井、徐深1-1等井的成功鉆遇www.日本在线播放，欠平衡鉆井工藝技術(shù)將在大慶油田尤其在徐家圍子国产综合一区二区三区精品、升平等氣田將會得到普遍推廣應(yīng)用，對大慶油田油氣增產(chǎn)和外部油田的有效開發(fā)將具有十分重要的意義久久国内免费黄色，為大慶油田的可持續(xù)發(fā)展提供了強有力的技術(shù)支撐最新国产裸模视频视频在线。

This paper expounds the feasibility of using the underland voltage o f 10 kV in the coal mine, analyzes the problems existing in the current use of t he underland voltage of 10 kV in the coal mine, makes comparison of the power-s upply schemes of the underland voltage of 10 kV and 6 kV in a certain large-sca le coal mine, and puts forward corresponding suggestions for the levels of the u nderland voltage of the coal mines with different scales.

闡述了10kV電壓下井的可行性，分析了目前井下采用10kV供電電壓等級存在的問題色婷婷五月亚洲一区二区91，對某大型礦井10kV和6kV下井電壓的供電方案進行了比較亚洲欧美视频网站，對不同規(guī)模礦井的下井電源電壓等級選擇提出了相應(yīng)的建議。

Pneumatic hammer drilling technology with low wob,low rate of revolution and high capacity to break rock is one of the best effective methods to solve the problems of hard rock drilling.

井斜是氣體鉆井中遇到的比較突出問題十八禁无码，井斜大或井斜增長過快常采用低鉆壓吊打的方式來解決一级A色片，這樣就犧牲了機械鉆速，延長了鉆井周期综合性天堂在线，增加了鉆井成本久久九一。

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.

針對新場氣田深井鉆井周期長94自拍视频、機械鉆速慢、現(xiàn)有鉆井技術(shù)影響和制約后期完井和增產(chǎn)的實際問題欧美骚逼，深入分析研究了影響新場氣田深井鉆井提速的關(guān)鍵制約因素日本mmm，提出了優(yōu)化完井井身結(jié)構(gòu)、推廣應(yīng)用欠平衡鉆井技術(shù)的建議亚洲小说图片综合在线专区。

I look around at the wriggly worms, crabs and tadpoles, and none of them can compare with me.

而且好男人在线影院官网www，我是這個井里的主人，在這井里極自由自在日韩网友自拍区在线观看网站，你為什么不常到井里來游賞呢午夜视频久久久久一区免费！

To solve those problems in extended reach wells and horizontal multibranch wells and ease the "bottleneck" of domestic pointthebit of rotary steerable drilling technology, combining theory with practice, we summarize the rotary steerable drilling technology at home and abroad, introduce two typical and popular bottom hole closed loop rotary steerable drilling tools, namely MRST and GeoPilot.

為解決在鉆大位移井、水平分支井等復雜結(jié)構(gòu)井時出現(xiàn)的種種難題以及國內(nèi)指向式旋轉(zhuǎn)導向鉆井技術(shù)的&瓶頸&問題无码在线观看毛片，將理論與實踐相結(jié)合一级毛片一级毛片视频片，對旋轉(zhuǎn)導向鉆井技術(shù)的國內(nèi)外研究現(xiàn)狀做了分析；介紹了目前國內(nèi)外運用比較廣泛且典型的推靠式MRST和指向式GeoPilot井下閉環(huán)旋轉(zhuǎn)導向鉆井工具黄色视频人人干人。