drawdown type-curve

Rapid identification and analysis of outer reservoir boundary using template curves of dimensionless pressure derivative;

利用无因次压力导数样板曲线快速识别和分析油藏外边界

Unsteady-state filtration for condensate oil-gas flowand drawdown curves;

凝析油-气不稳态渗流问题及其压降曲线

Unsteady testing for oil and gas well includes testing of drawdown curve and build-up curve.

油井和气井的压力不稳定测试,包括压降曲线测试和压力恢复测试。

By investigating and summarizing the classical Nolte G-function method and studying the special features of fractures in the fractured formation, the pressure decline curve analysis model for the fractured reservoir was developed.

在总结Nolte经典G函数压降曲线分析方法的基础上,根据裂缝性地层存在微裂隙的特征,建立了裂缝性油藏小型压裂压降曲线分析模型。

In this paper, the acid fracturing pressure decline curve analysis model is developed based on the pseudo three dimension (PTD) hydraulic fracturing model, in which the effect of carbon dioxide generated by acid soak carbonate and the interaction of acid-rock on artificial fracture volume is taken into consideration.

基于水力压裂的拟三维模型,推导了酸压压降曲线分析模型。

The confirmation of transitional curviline on involute gear root is expatiated, and the designing method with CAD for finger milling-cutter templet is discussed.

用微机辅助设计齿轮刀具样板,速度快,数据准确,并能直接绘制样板曲线图形。

A COMPARISON OF THE EFFECTIVE RADIUS MODEL AND THE SKIN EFFECT MODEL AS WELL AS THEIR PRESSURE SOLUTIONS AND TYPE CURVES IN WELL TEST ANALYSIS

试井分析中有效井径模型、表皮效应模型及其压降解、样板曲线对比

B-Spline Function Method for the Nonlinear Bending of Circular Sandwich Plate Subjected to Axisymmetrical Distributed Load;

夹层圆板非线性弯曲的样条函数解法

Are the boards used to establish the initial Thermal Profile kept as engineering samples?

有无用于建立最初的温度曲线的设定的板子被留作工程样本?

A nearly ideal solution like benzene-toluene shows a vapor-pressure curve that conforms very closely to the plot.

象苯一甲苯那样的接近理想溶液，其蒸气压曲线与此图板极为吻合。

Study of Rational Spline & Algebraic Curves and Surfaces Splines;

有理样条和代数曲线曲面样条的研究

Finite Element Simulation for Laser Curve Forming of Sheet Metals;

板料激光曲线弯曲成形的有限元模拟

It is rapid and accurate in design and drawing the finger milling-cutter templet with CAD.

本文着重阐述了渐开线齿轮齿根过渡曲线的确定以及使用微机设计齿轮指形铣刀样板的方法。

NURBS (Non-Uniform Rational B-Splines)

不均匀有理B样条曲线

Study of Data Reduction of B-spline Curves and Disk B-spline Curves;

B样条曲线和圆域B样条曲线数据缩减的研究

The swerving of a ball from a straight path of flight, as in baseball or cricket.

曲线飞行棒球或板球运动中球的曲线飞行

Curvature monotony condition Tor the quadratic rational B spline curves.

二次有理B样条曲线曲率单调条件

Study of Fairing Free Curve and Surface Base on B-spline;

基于B样条的自由曲线曲面光顺研究

B Spline Curve and Surface Reconstruction Based on Genetic Algorithm;

基于遗传算法的B样条曲线曲面重建

Research on NUAT B-spline Curve and Surface Interpolation;

NUAT B样条曲线曲面的插值研究

B_3-spline method and application of approaching irregular curves

曲线曲面的B_3样条拟合及其实现

Uniform duplicate mixed hyperbolic polynomial B-spline curves

均匀二重混合双曲多项式B样条曲线

Using the front pattern piece trace the whole shoulder area, drawing a curved line from the shoulder to the sleeve edge. Cut this out on the cross from fusible interfacing.

从前身样板上描下整个肩部。从肩部到袖窿边画一条曲线,其后用斜裁粘合衬。