Statistic method is used to study drilling cost and its regularity changing.
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。
It is the important way for shortening drilling cycle and decreasing the drilling cost.
这是缩短钻井周期、降低钻井成本的重要途径。
A method is proposed to determine the bit footage when the drilling cost per meter reaches a minimum.
本文提出了一种按最低成本原则确定单只钻头进尺的实用方法。
Rock drill-ability is the basic parameter to optimize bits, make drilling plan and reduce drilling cost.
岩石可钻性是优选钻头，制定生产定额以及降低钻井成本的基础。
These new equipments can bring higher drilling rate, lower drilling cost and remarkable economy benefits.
采用这些新设备可提高钻井速度，降低钻井成本，经济效果显著。
So it is necessary for the Drilling Cost Model that combines with TC and ABC to be researched and popularized.
因此，将目标成本和作业成本结合起来的钻井成本模式，旨在降低钻井的口井成本，很有研究和推广的必要。
It is proposed that economical performance of diamond bits be quantitatively appraised by use of bit drilling cost.
并提出用钻头钻进成本定量地评价金刚石钻头的经济效果。
To bypass obstacles, a 2-D directional well, which can be drilled easily and has the low drilling cost, has many advantages.
二雏绕障定向井具有容易施工和钻井成本低等特点。
The approach can decrease drilling cost and reduce drilling period, realize great economic benifit in offshore drilling operation.
采用这种方法可节约海上钻井成本，缩短建井周期，获得显著的经济效益和社会效益。
Evaluation of the service life of a rotary drilling line is of great importance to ensuring safe drilling and reducing drilling cost.
钢丝绳使用寿命评定对确保钻井安全与降低钻井成本具有十分重要的意义。
The drilling cost formula is deduced from classification drilling cost components; hence, an approach to reduce drilling cost is presented.
通过对钻探成本构成的分类，推导出钻探成本公式。
Abstract: To further improve the drilling efficiency and reduce the drilling cost, the MPD equipment with single-channel has been developed.
摘要：为进一步提高钻井效率和降低钻井成本，研制了单通道控压钻井装备。
Optimizing wellbore trajectory design is the key link to ensure the quality of well bore, decrease accidents in well hole and lower drilling cost.
优化井眼轨道设计是保证井身质量，减少井下事故，降低钻井成本的关键环节之一。
This paper presents a method to select PDC bits. This method USES a correlation between shear strength and drilling cost estimation per unit length.
介绍了利用剪切强度和单位进尺钻井成本的关系来进行PD C钻头选型的新方法。
It is very important for improving drilling rate, reducing drilling cost and safety drilling to carry out drill stem failure analysis and prevention.
开展油田钻柱失效分析与预防对提高钻井速度、降低钻井成本及井下安全钻进具有重要意义。
Drilling in gravel stratum is one of present difficulties in drilling area with low drilling speed, short service life of bit and high drilling cost.
卵砾石地层钻进是钻探的难题之一，不仅钻进速度低，钻头的使用寿命短，而且钻探成本高。
So how to control the drilling cost has a great significance for the management of drilling project or even the realizing of the whole exploration aim.
果彼如何入行钻井败本控造闭于于钻井工程管理乃至零体勘探纲的的实现来道都具无从要意义。
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。
Equipped with suitable derrick and well controlled device in drilling a shallow gas well water drills proved to be able to reduce shallow gas well drilling cost.
通过某浅层气井的施工实例，阐述了水井钻机安装合适的钻塔底座和并控装置，可降低浅层气井建井成本。
Equipped with suitable Derrick and well controlled device in drilling a shallow gas well, water drills proved to be able to reduce shallow gas well drilling cost.
通过某浅层气井的施工实例，阐述了水井钻机安装合适的钻塔底座和并控装置，可降低浅层气井建井成本。
In order to reduce drilling cost and raise hole quality, it is necessary to investigate the formation, harmfulness and preventive treatment of the spiral borehole.
为了减少建井费用、提高井眼质量，研究螺旋井眼的产生、危害及其防治提上了日程。
Because the drilling cost is not the sole cost of bit, it is necessary to discuss here the highest rotation speed of bit in cutting rock at the lowest drilling cost.
在研究钴进过程的最佳化生产条件中，由于钻探成本的开支不是唯一的一项钻头费用，所以就有必要对最低钻探成本的最高钻头切割岩石的旋转速度进行探讨。
Although drilling cost of a multi-lateral horizontal well is higher than a straight welt a horizontal well can replace many straight Wells and has comparable production.
虽然其钻井成本比直井高，但是一口水平井往往可以取代多口直井，且具有相当于多口直非的产量。
A new adjustable way was developed first time which use cluster well to decrease drilling cost and increase benefit in deep imbedded, low permeability, high pressure reservoir.
首次提出在深层高压低渗油藏采用分支井技术降低钻井成本、提高开发效益的调整手段。
Correctly recognizing the differential pressure sticking is of great significance to reduce complex accidents of borehole, increase drilling speed and reduce the drilling cost.
正确认识压差卡钻，对于减少井下复杂事故，提高钻井速度，降低钻井成本具有十分重要的意义。
The air drilling may largely enhance the drilling speed, shorten the drilling time, decrease the drilling cost. The technology, however, needs expensive surface equipments. A …
空气钻井主要应用于中低压地层，可以大幅度提高钻井速度，缩短建井周期，降低钻井成本，但需要昂贵的地面设备。
The operating performance quality of the roller bit, which is the most main broken crag tool, directly influence the well drilling quality, well drilling efficiency and well drilling cost.
牙轮钻头是钻井工程中最主要的破岩工具，其工作性能的好坏直接影响钻井质量、钻井效率和钻井成本。
In the upstream link before refining, drilling cost accounts for 60 ~ 70% of overall costs, and has remarkably capital-intensive, knowledge-intensive and technology-intensive characteristics.
在炼化之前的石油上游环节中，钻井成本占到了总成本的60 ~ 70%，具有显著的资金密集型、知识密集型、技术密集型特征。
In order to reduce drilling cost, the casing drilling technique rotated by rotary table and associated tools were developed considering the actual condition of domestic onshore drilling tools.
根据国内陆上油田钻井装备的实际状况，本着降低钻井成本的目的，研究出了采用转盘驱动的适用于陆上油田浅开发井的简易套管钻井技术及其配套工具。
In order to reduce drilling cost, the casing drilling technique rotated by rotary table and associated tools were developed considering the actual condition of domestic onshore drilling tools.
根据国内陆上油田钻井装备的实际状况，本着降低钻井成本的目的，研究出了采用转盘驱动的适用于陆上油田浅开发井的简易套管钻井技术及其配套工具。
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