The common drilling assembly was introduced used in directional well drilling in the"straight-by-steady-down-stability"phase.
介绍了定向井钻井过程中"直-增-稳-降-稳"阶段常用的钻具组合,结合现场所用钻具,分析了各个阶段所用钻具的特点,并优选了钻具组合。
CBM well pattern optimization is the key issue for CBM development.
煤层气井网优化是煤层气开发的重要环节,井网部署的合理与否,不仅关系到单井产量的大小,而且直接影响到煤层气开发项目的成败。
As for the problems,three main innovation techniques are raised including well pattern optimization,advanced water-injection and fracture transformation,which will provide technique guarantee for leading m.
单井产量低、递减速度快、地层压力下降快是该类油藏开发所面临的主要难题,针对这一难题,提出了以井网优化、超前注水、压裂改造为主的三大创新技术,为带动吐哈新一批难动用储量投入有效开发、提高难采储量的效益转化程度、拓展石油资源的勘探开发领域提供了技术保障。
According to fine research on geologic characteristics of class II reservoirs in Lamadian oilfield, the southeast part of test area II in southern Lamadian oilfield has been selected to carry out numerical simulation research and well pattern optimization research.
通过对喇嘛甸油田二类油层地质特点的精细研究,选取了能够代表喇嘛甸油田二类油层实际状况的喇南试验二区东南部作为解剖区块,开展了数值模拟和井网优化研究,从不同井网与原井网的匹配关系、对砂体的控制程度、注入速度与井距的关系、数值模拟预测以及今后上、下返井网的综合利用等不同角度进行了对比论证,优选出既适应二、三类油层,又能最大限度地提高最终采收率的合理井网、井距,对二、三类油层的井网部署和优化具有指导意义和参考价值。
In drilling high angle deviated holes, friction is the main factor affecting the effective WOB.
在大斜度定向井钻井过程中，摩擦阻力是影响有效钻压的主要因素。
Study on Vertical Structural Stability of a Super-deep Drilled Shaft in Slurry
泥浆中超深钻井井壁竖向稳定性分析
3D visualization of hole trajectory in directional well drilling
定向井实钻井眼轨迹三维可视化描述
DRILLING TECHNOLOGY OF THE DEEPEST DIRECTIONAL WELL-LONGGANG 8 IN SICHUAN
四川超深定向井龙岗8井钻井技术实践
APPLICATION OF DIRECTIONAL AND HORIZONTAL WELL DRILLING TECHNOLOGY IN THE RIGHT BANK OF AMDA RIVER
阿姆河右岸定向水平井钻井工艺技术实践
Application of Directional Drilling Technology in Coal-bed Methane Vertical Well Construction
定向钻井技术在煤层气垂直井施工中的应用
AN ALGEBRAIC METHOD OF BOREHOLE TRAJECTORY DESIGN WITH DEFINED BOREHOLE DIRECTION
限定井眼方向待钻轨道设计的代数法
Research of Key Technology with Drilling Stem Fixed with Cable in Directional Drilling under Coal Mine
煤矿井下定向钻进通缆钻杆关键技术研究
The measurement while drilling technology in nearly horizontal directional drilling in coal mines
煤矿井下近水平定向钻进中的随钻测量技术
To bore(a shaft) with a trepan.
钻用钻井机钻（矿井）
medium-radius lateral drilling
中曲率半径侧向钻井
Stduy on Geothermal Well Directional Drilling with Air Foam in Kenya Olkaria
肯尼亚OLKARIA地热井空气泡沫流体定向钻井综合技术研究
C_1+GAMMA geosteering drilling technology for Wei360-H1 well
卫360-平1井C_1+GAMMA地质导向钻井技术
The Research on Logging Geosteering of Drilling Horizontal Well;
水平井钻井的测井地质导向方法与技术研究
Orientation Role of Comprehensive Logging Technique in Horizontal Well Drilling in Western Sichuan Basin
综合录井技术在川西水平井钻井中的导向作用
bottom supporting drilling platform
定柱沉垫式钻井平台
Study on Deepwater Drilling Wellhead Stability Analysis of West Africa JDZ-2-1 Well
西非JDZ-2-1井深水钻井井口稳定性分析研究
Research on optimal azimuth determination of inclined hole and horizontal hole
斜井水平井优势钻井方位确定方法研究