小井眼扩孔钻头是老井重钻的关键设备。
The reaming drill bit in slim hole is a key tools of re-drilling in existing well.
伴随着小井眼井数的增多，发生的事故也越来越多。
Accompanied by the increasing number of slim-hole Wells, the accidents increased too.
如何提高小井眼固井质量是困扰钻井行业多年的老问题。
How to improve the quality of slim hole cementing is a difficult problem of perplexing well drilling.
应用概率统计的方法研究了小井眼钻井成本及其变化规律。
Statistic method is used to study drilling cost and its regularity changing.
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。
Heavy torque and abrasion on casing are serious problems in drilling in slim hole.
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。
A re verse circulation well control method applicable in slim hole was advanced firstly and respective calculation equations were set up.
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。
Through a comparison, the economic benefit in slim-hole drilling for coalbed gas has been analyzed.
小井眼的第二种形式包括使用了在采矿工业中使用的硬岩石中的勘探技术。
A second form involves technology used for exploration boreholes in the hard rock mining industry.
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。
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.
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 slim hole drilling techniques have been applied to Sulige gas field, Changqing, in order to raise integral development effectiveness to reduce development cost.
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。
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.
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。
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.
为适合小井眼、小间隙井的固井要求，研究了复合塑性降滤失剂PT—2体系。
To meet the requirements of well cementing fors mall borehole and small annular space, the composite plastic fluid loss additive PT-2 was studied.
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。
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.
井底环空压力是小井眼钻井的关键参数，通常的压力降计算方法对小井眼不适用。
Downhole annular pressure is a key parameter. Conventional pressure loss calculation method is not applicable to a slin - hole.
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。
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。
There are the bigger differences between slim hole drilling technology and routine borehole drilling technology.
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。
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.
套管开窗侧钻小井眼水平井钻井技术的特殊性及复杂性给传统常规录井带来了严峻的挑战。
The particularity and complexity of sidetracking horizontal wells through the opened casing hole has brought severe challenges to conventional mud logging.
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。
Especially the perforating technology in the exceptional horizontal Wells such as slim-hole casing Wells, large hole Wells and complex Wells is detailed.
分析了中原油田开窗侧钻小井眼固井技术的难点，并针对性地提出了解决小井眼固井的技术措施。
The article analyses the main technical difficulty in cementing small hole well and proposes the acupuncture treatments.
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。
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.
先锋公司利用地震测试以及对产量评估来确定下一个打井地点是应该扩大还是缩小井眼之间的距离。
Pioneer will apply what it learns from seismic testing and production results to the next site nearby, expanding or shrinking the distance between bores.
实践证明，小井眼直井钻具性能评估准则和钻柱动强度条件是正确的，有效地满足了钻井工程需要。
Practical applications show that the standard and dynamic strength conditions are correct and meet the field requirements effectively.
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。
The coring technology in deep slim hole has been applied in China. It provided dependable core data for exploratory development.
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。
The development and application of this device provided a necessary mean for the slim hole track measurement and directional window cutting.
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。
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.
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。
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.
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。
To economically and efficiently develop the gas field, Wells were drilled using underbalanced drilling and slim-hole drilling technology.
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。
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.
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