The reaming drill bit in slim hole is a key tools of re-drilling in existing well.
小井眼扩孔钻头是老井重钻的关键设备。
Heavy torque and abrasion on casing are serious problems in drilling in slim hole.
高钻柱扭矩和套管过度磨损是小井眼钻井中存在的严重问题。
How to improve the quality of slim hole cementing is a difficult problem of perplexing well drilling.
如何提高小井眼固井质量是困扰钻井行业多年的老问题。
There are the bigger differences between slim hole drilling technology and routine borehole drilling technology.
小井眼与常规井眼的钻井工艺有较大差异，提高小井眼钻井速度有很大的实际意义。
This paper introduced the slim hole drilling designation and operation in shallow gas bearing reservoirs of Chuanxi area.
介绍了川西地区浅层天然气小眼井钻井设计与施工情况。
The LDAM slurry system shows that it solves the gas-out problems of slim hole and improves the quality of cement circular.
结果表明，LDAM水泥浆体系能有效解决小眼井固井漏失气窜问题，并提高了薄水泥环的胶结质量。
The coring technology in deep slim hole has been applied in China. It provided dependable core data for exploratory development.
深井小井眼钻井取心技术作为其配套技术，已相继在国内油田应用，为勘探开发提供了可靠的岩心资料。
A re verse circulation well control method applicable in slim hole was advanced firstly and respective calculation equations were set up.
文中首次提出适应小井眼的反循环并控方法并给出了相应的计算公式。
The development and application of this device provided a necessary mean for the slim hole track measurement and directional window cutting.
它的开发、应用成功，为小井眼、短半径井的井眼轨迹测量、斜向器定向开窗作业提供了必备的测量手段。
It analysed the feasibility and the limitation of applying mining rig and water well rig to slim hole drilling in shallow gas bearing reservoirs.
分析了矿业钻机与水井钻机用于浅层天然气小眼钻井的可行性及局限性。
Since 1995, sidetracking operations have been conducted in Zhongyuan Oilfield, and a set of perfect slim hole sidetracking technology has been formed.
中原油田自1995年以来开始进行了老井开窗侧钻小眼井技术，数年的努力形成了一套完善工艺。
It is one of the important factors of ensuring the seal quality of cement sheath in a small clearance to raise slurry displacing efficiency in a slim hole.
提高小井眼水泥浆的顶替效率，是保证小间隙水泥环密封质量的重要因素之一。
On the base of that, the matching construction of the ocean workover rig for side tracking was discussed. This provided a new way for the slim hole drilling.
在此基础上，针对一种具体的钻井工艺完成了海洋修井机用于开窗侧钻作业的配套方案研究，为海洋小井眼开窗侧钻作业提供了一种新的途径。
Slim hole sidetracking and window milling technology is one of the effective ways to cut down the comprehensive drilling cost and improve oil production rate.
应用小井眼开窗侧钻技术是降低钻井综合成本，提高原油产量的重要途径之一。
The slim hole drilling techniques have been applied to Sulige gas field, Changqing, in order to raise integral development effectiveness to reduce development cost.
为提高整体开发效率，降低开发成本，长庆苏里格气田应用了小井眼钻井技术。
The experiment about using slim hole and cool explosives to excavate a slope protection layer in excavation blasting is introduced, and excellent effectiveness is achieved.
介绍在边坡保护层开挖爆破中采用小直径低爆速炸药的试验情况及取得的良好效果。
The annular clearance was also enlarged, thus the thickness and strength of the cement sheath was increased, and the oil well life of the sidetracked slim hole was also prolonged.
扩孔加大了环空间隙，固井后水泥环厚度和强度增大，可以延长侧钻小井眼油井寿命。
Cementing of the slim hole is very difficult due to its small hole size and annular clearance, and the conventional cementing technology cannot meet the requirements of field cementing.
小井眼固井由于其井眼尺寸小、环空间隙小，给固井作业带来较大困难，常规固井技术难以保证其固井质量。
The advantages of the slim hole such as reducing cost of drilling, eliminating the risk of the exploration as well as being beneficial to the environment has caught oil field's attention.
小井眼具有可降低钻井成本，减小勘探风险，有利于环保倍受石油界广泛重视。
There are the bigger differences between slim hole drilling technology and routine borehole drilling technology. Improving of slim hole drilling speed is of an important actual significance.
小井眼与常规井眼的钻井工艺有较大差异，提高小井眼钻井速度有很大的实际意义。
Owing to the fact that various flow path assemblages in hydraulic system have been changed in a slim hole, it is even more important to predict and control the surge pressure in the slim hole.
在小井眼中，由于水力学系统各流道组合发生了改变，预测和控制小井眼波动压力就显得尤为重要。
Therefore, researching the fishing technology of deep and ultra-deep slim hole contains very important meanings to reduce economic losses and speed up the pace of oil production for oil fields.
因此，研究深井超深井小井眼打捞工艺技术，对减少油田经济损失，加快夺油上产的步伐具有十分重要的意义。
With the increasing demand of the lateral drilling and slim hole drilling, the coiled tubing (CT) operating technique will play a great role in horizontal well drilling, well workover and completion.
随着我国侧钻井和小井眼钻井需求的不断增加，连续油管作业技术在我国水平井钻井、修井及完井作业中将会发挥巨大作用。
Through a comparison, the economic benefit in slim-hole drilling for coalbed gas has been analyzed.
通过与常规煤层气试验井对比，分析了煤层气小井眼钻井的经济效益。
Especially the perforating technology in the exceptional horizontal Wells such as slim-hole casing Wells, large hole Wells and complex Wells is detailed.
着重介绍了水平井射孔技术在小井眼、大井眼及复杂井况条件下特殊井中的技术要求和特点。
To economically and efficiently develop the gas field, Wells were drilled using underbalanced drilling and slim-hole drilling technology.
根据高效低成本开发苏里格气田的要求，进行了欠平衡及小井眼钻井，为低成本开发苏里格气田做前期技术准备。
Hade 4-11 well is a typical drill pipe sticking well of slim-hole and super long interval caused by damaged case to leak in Hade operation district of Tarim oilfield.
哈得4 - 11水平井属于塔里木油田哈得作业区典型的因上部套管破损漏失造成的小井眼超长井段沉砂卡钻井。
Accompanied by the increasing number of slim-hole Wells, the accidents increased too.
伴随着小井眼井数的增多，发生的事故也越来越多。
Developed step by step, the technology of sidetrack drilling horizontal well in slim-hole is relatively mature, whole it's fist time to apply it in Dagang oilfield.
小井眼侧钻水平井技术经过不断的完善已基本成熟，但在大港油区内应用属首次。
Technique of free- water- carrying gas production with slim-hole coiled tubing was first successfully used in pilot - testing of horizontal well in middle region of Sichuan.
川中地区小口径连续油管携自由水采气工艺技术，首次成功地在水平井中先导试验，提高了低产气井开采效果。
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