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1)  geology tracking and orientating technology while drilling
随钻地质跟踪导向技术
2)  geosteering technology with drilling
随钻地质导向
3)  Follow geological target while drilling
随钻跟踪
4)  geology steering technology
地质导向技术
1.
With different reservoir characteristics in each oilfield, practical experience of geology steering technology while drilling for horizontal well is summarized and its technology model is presented.
主要内容包括,建立了"预测-验证-修正-寻找-确认-追踪"的"六步法"工作流程;提出了"预警标志层"的概念和确定原则,并初步筛选了各油田的"预警标志层";评价了目前常用随钻跟踪技术在吐哈油田不同油藏的适应性和组合应用方法;完善了以地质综合分析为基础,油藏和工程相结合的水平井地质导向技术。
5)  technology tracking
技术跟踪
1.
Technology tracking is a useful method in identifying the current situation and trend of development in related technical areas,and ean help us provide the information decision-making support for establishment of technical strategy,but the in- depth research of technology tracking is not enough.
通过技术跟踪,可以了解某一技术领域的现状和发展态势,为技术战略的制定提供决策信息支持,但目前对技术跟踪的研究还不够深入。
2.
The article makes preliminary discussion on the mode of technology tracking,puts forward four kind of modes of technology tracking,simultaneously to analysis the influencing factors of technology tracking mode,forms the theory frame of the technology tracking mo.
通过技术跟踪,可以了解某一技术领域的现状和发展态势,为技术战略的制定提供决策信息支持。
3.
Founded on concept explanation, the article makes preliminary discussion on the structure and process of technology tracking, developed tools of technology tracking based on patent quotation, which as a kind of technical analysis is fundamental to of technology strat.
通过技术跟踪,可以了解和判别相关技术领域的现状和发展趋势,科学地选择技术路线,避免技术创新资源的浪费。
6)  Tracking technology
跟踪技术
补充资料:地质和石油钻采用钢管
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性质:这类钢管包括地质钻探和石油钻采用的各种钢管,主要有套管、钻杆、钻铤、油管和接箍等。它们用标志屈服强度的专用钢种生产,可以是无缝管也可是焊接管。根据美国石油学会(API)的标准,套管、油管、钻铤等油井用管钢级的屈服强度在276~1138兆帕之间。套管的规格为φ114.3~508×5.21~16.13毫米,长4.9~14.6米;油管的规格为φ26.7~114.3×2.87~9.52毫米,长6~9.7米。套管和油管用螺纹接箍连接,连接螺纹分短圆螺纹、长圆螺纹、偏梯形螺纹和直接型螺纹。钻杆用的钢管供应5.5~13.7米定尺长度,而端部分内加厚、外加厚、内-外加厚的,车丝(接箍用)和不车丝(对焊用)的。钻杆的断面有圆、四方、六方几种(见图)。钻铤即加重钻杆,是两端带公母的厚壁管(见图),直径88.9~279.4毫米。

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