井度

能在钻井现场完成岩芯定深定向测量，并能打印出对应井深深度的岩芯自然伽玛曲线。

It can finish the measurement of certain depth and orientation core , and print out the depth and the natural gamma curve of the corresponding depth core .

在抽真空的初期，一般在地基相同的深度处：塑排真空度＞砂井真空度＞淤泥真空度。

The vacuum degree in the PVDs is higher than vacuum degree in the sand drains , and the vacuum degree in the sand drain is higher than vacuum degree in the silt at the same depth in the ground during the initial stage of pumping .

高速公路砂井地基固结度时空变化规律探讨

The space-time analysis for the consolidation degree of the highway sand well roadbed

螺杆泵井合理沉没度泵况控制图研究与应用

Development and Application of Rational Submersion Degree Control Diagram in Screw Pumping Wells

考虑土结构性影响的砂井地基固结度计算

Calculation of sand drains ground consolidation degree with consideration of soil structure characteristics influence

推导了砂井地基固结度期望值和方差的计算公式。

The formulas of expectation and variance of degree of consolidation for sa nd-drained ground are obtained .

室内实验及现场应用表明，入井流体的矿化度、pH值、表面张力、固相颗粒尺寸、固相颗粒含量、细菌含量等是对地层造成损害的主要因素。

Laboratory study and field practice show that the major factors resulting damage include salinity of fluids , pH valve , surface tension , size and content of solid particles , content of bacteria , etc. .

以四单元模型为基础，通过Laplace变换推导出砂井地基主固结度和次固结度粘弹性解。

The visco-elastic equations of the degrees of primary consolidation & secondary consolidation of saturated soft clay are developed by Laplace transformations based on four-element model .

定向井井迹准确度控制方法的初步探讨

A Preliminary Discussion on Control Method of Directional Well Trace Accuracy

3次加密挂环井井口计量准确度研究

Accurate of Tertiary Infill Well head Metering

计算结果表明：随钻柱与井眼间偏心度增大，波动压力减小。全偏心情况下的波动压力大约只有同心情况下的一半。

Calculating results show that fluctuation pressure decrease with eccentricity between drill stem and well bore increase .

机抽井泵的沉没度是影响泵效和系统效率的重要因素。

The submergence depth of oil well pump is an important parameter that affects the rod pump efficiency and system efficiency .

洋基在井川身上付出了一笔不小的投资，井川曾三度获得日本职棒中央联盟三振王的头衔。

The Yankees made a relatively modest investment in acquiring Igawa , a three-time strikeout leader in Japan 's Central League , this offseason .

分析表明，土反力分布呈扁圆形草帽形态，具体分布特征及分布范围主要受工作井结构各向刚度与土层刚度等因素控制。

The study indicated that the soil back pressure distributed as straw hat , and concrete distribution characteristics and scope mainly controlled by structural isotropic stiffness of working well and soil stiffness .

同时，以此解为基准，对现有未打穿竖向排水井地基平均固结度近似计算公式和方法进行了较为详细的比较，得出了现有近似计算公式及方法适用的范围。

On the basis of this solution , the approximate methods so far available for computing average consolidation degree of soft soil with partially penetrated vertical drains were compared in detail , and their applicable conditions were obtained .

储层保护的关键技术是在钻井、压裂、开采过程中防止固相颗粒和液相的侵入，并合理控制入井流体的矿化度和酸碱度。

The critical technology of reservoir protection is to prevent the solid particle and liquid phase from invasion in procedure of drilling , fracturing and production , and to reasonably control the salinity and PH value of inflowing fluids .