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cementing
相关语句
  固井
    Quantitative Evaluation of Cementing Quality with ACVDL Logs.
    声幅 变密度测井定量评价固井质量的研究
短句来源
    A Method for Cementing Quality Evaluation with Fullwave Acoustilog Data.
    用声波全波列测井资料定量评价固井质量的方法
短句来源
    Evaluation System of Cementing Bond Quality in Liaohe Oilfield
    辽河油田固井质量评价系统开发
短句来源
    ANALYSIS OF INFLUENCING FACTORS OF CEMENTING QUALITY EVALUATION
    影响固井质量评价效果的因素分析
短句来源
    Numerical Simulation Study on Borehole Acoustic Field with Low Density Cementing
    低密度水泥固井时井内声场的数值模拟
短句来源
更多       
  相似匹配句对
    ANALYSIS OF INFLUENCING FACTORS OF CEMENTING QUALITY EVALUATION
    影响固井质量评价效果的因素分析
短句来源
    Evaluation System of Cementing Bond Quality in Liaohe Oilfield
    辽河油田固井质量评价系统开发
短句来源
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  cementing
In particular, the role of osmosis in well flushing and cementing processes was noted in study by N.
      
The described system not only allows cementing under vacuum, it also permits to optimise drainage during surgery.
      
HPCH is a composite system, which is composed of cementitious and auxiliary cementing materials, composite additives, abrasion resistance component (aggregate) and pigment.
      
The density of material structure, bonding capacity of cementitious material to the abrasion-resisting component and the corrosion resistance are greatly and effectively improved by adding the auxiliary cementing materials and compound additives.
      
Severe leakage is confirmed at the interface between hardened slurries and steel tube during the dynamically curing process, which induces the quick loss of cementing property of slurries.
      
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he pilot survey of the Sino-American project INDEPTH has provided a highresolution, high-signal-to-noise ratio, near-vertical incidence reflection profile with abundant reflection information, which along with others yields clearly the Main Himalayan Thrust (MHT) and Moho discontinuity at a depth of 70-80km. There still are observed reflections beneath the Moho discontinuity. It is demonstrated by facts, that the near-vertical reflection technique can receive reflections from a depth of 70-80km, with three technical...

he pilot survey of the Sino-American project INDEPTH has provided a highresolution, high-signal-to-noise ratio, near-vertical incidence reflection profile with abundant reflection information, which along with others yields clearly the Main Himalayan Thrust (MHT) and Moho discontinuity at a depth of 70-80km. There still are observed reflections beneath the Moho discontinuity. It is demonstrated by facts, that the near-vertical reflection technique can receive reflections from a depth of 70-80km, with three technical measures, such as 50m deep shot holes, 50kg dynamite and 50s superlong recording time, taken. It is obvious, that both the depth o f shot hole and the lithology excited are interdependent factors, affecting recording quality. Data analysis indicates, that shot in a single drill hole of depth more than 25m yields good recording,while array shot in drill holes of depth less than 25m can hardly receive deep reflections. The recording quality could be much improved with technical approaches, as slurry cementing and tamping after charging. During seismic data processing in view of the fact, that the lithology excited along the profile is varied very dramatically. surface consistency processing of wavelets and noise elimination were made, resulting in great improvement of the deep reflection stacked section in quality.

中美INDEPTH项目第一阶段先导性试验,提供了高分辨率、高信噪比和反射信息非常丰富的近垂直反射剖面。其中主喜马拉雅滑脱界面(MHT)和深达70—80km的Moho,清晰可见;Moho以下仍有反射信息。事实证明.采用井深50m、药量50kg和50s超长记录长度3个技术措施后,近垂直反射技术可以取得深部反射信息。在工作中井深和激发岩性是影响记录质量的两个互相依赖的重要因素。资料分析表明.井深大于25m的单孔爆炸,其记录质量较好,而井深大于25m组合的炮记录,几乎接收不到深反射信息。钻井所采用的泥浆固井和装炸药后填井等技术措施,对提高记录质量有较大帮助。在地震数据处理工作中,针对激发岩性沿线变化剧烈,我们做了地表子波一致性处理和去噪处理,极大地提高了深反射叠加剖面的质量。

Long spacing sonic log can detect the bond between casedholes and annular cement (as Ⅰ interface of cementing) and the bond between annular cement and formation (as Ⅱ interface) in the casedhole. It is necessary to process the waveforms of long spacing sonic logs and identify the associated guide waves. The results are presented in the paper relating to the processing of the wavelets of long spacing sonic log waveforms and the bond between interface Ⅰ and interface Ⅱ in the casedhole can be identified...

Long spacing sonic log can detect the bond between casedholes and annular cement (as Ⅰ interface of cementing) and the bond between annular cement and formation (as Ⅱ interface) in the casedhole. It is necessary to process the waveforms of long spacing sonic logs and identify the associated guide waves. The results are presented in the paper relating to the processing of the wavelets of long spacing sonic log waveforms and the bond between interface Ⅰ and interface Ⅱ in the casedhole can be identified by combining the computed theoretical results and finally the experienced case of the isotopic logging is given.

长源距声波测井在套管井内可以探测固井后套管与水泥环(简称固井Ⅰ界面)、水泥环与地层(简称固井Ⅱ界面)的胶结情况。但是必须对长源距声波测井波形进行处理,分辨出相应的导波。本文给出了长源距声波测井波形小波处理结果,结合理论计算结果识别套管井固井Ⅰ、Ⅱ界面的胶结情况以及同位素测井验证实例。

The resistivity of rock has the effect of dispersion, which is related to formation water salinity, water saturation and cation exchange capacity( Q V) . Formation water salinity increases with the decrease of resistivity dispersion of water saturated rock. While water saturation and formation water salinity are low, the dispersion is evident. Under the same conditions, the larger the cation exchange capacity ( Q V) of shaly sand is, the...

The resistivity of rock has the effect of dispersion, which is related to formation water salinity, water saturation and cation exchange capacity( Q V) . Formation water salinity increases with the decrease of resistivity dispersion of water saturated rock. While water saturation and formation water salinity are low, the dispersion is evident. Under the same conditions, the larger the cation exchange capacity ( Q V) of shaly sand is, the more evident the dispersion is. So rock resistivity dispersion has a bearing on the variation of the parameters of Archie equation. The relationship between saturation exponent, cementing factor and frequency is introduced in detail. Parameters for Archie formula are proposed to be determined by multifrequency measurement in laboratory.

邓少贵,边瑞雪,等.岩石电阻率频散及其对阿尔奇参数的影响.测井技术,1998,22(4):227~230岩石电阻率存在频散现象,频散性的强弱与地层水矿化度、含水饱和度、阳离子交换容量等有关。当地层水矿化度增高,饱含水岩石电阻率频散性减弱;当含水饱和度及地层水矿化度较低时,频散现象较明显。在其它情况基本相同时,泥质砂岩的阳离子交换容量越大,频散现象越明显。因此,岩石电阻率频散性影响着阿尔奇参数的变化。文中系统介绍了饱和度指数、胶结指数与频率之间的关系,认为实验室进行阿尔奇公式参数的测量应采取多频测量。

 
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