本文提出了凹型压力恢复曲线的一阶导数图版和二阶导数图版。
The first and second derivative plates of concave pressure build-up curve are presented in this paper.
该技术在改造措施前后均可进行，均可测得满意的压力恢复曲线。
This tech can be used before or after the reform measure and a satisfying build-up pressure curve can be measured.
缝洞孔复合型具有双重孔隙介质的特点，压力恢复曲线具多台阶型。
The third type has double porosity system, and the build-up curve has a stepwise form.
从16口超高压射孔完井的压力恢复曲线统计可知，14口井的表皮系数为负值。
From the pressure buildup curve of 16 Wells who used over-high pressure, the skin factor of 14 Wells is negative.
应用该软件对大庆油田聚合物注入区块部分油水井压力恢复曲线进行了实例研究。
Examples for some oil and water Wells in polymer flooding blocks of Daqing oil field are given.
本文根据四川气田大量的压力恢复数据，讨论了裂缝储层压力恢复曲线的类型及其特征。
Based on a lot of data of pressure build-up of gas fields in Sichuan, the types and characteristics of pressure build-up curve of fractured reservoirs are discussed in this paper.
在油气井的试油测试资料中，压力恢复曲线有时会出现下滑现象，常被认为是施工失误所致。
In well testing data, slipping phenomena appears sometimes on build-up curves which is thought to be caused by operation fault.
利用卤水生产井关井后的压力恢复曲线，可以很容易求得深层含卤层的渗流参数和原始地层压力。
It is easy to obtain parameters of permeability and original pressure of deep brine aquifer by using the pressure recovery curve of a production well after it is shut up.
对压力恢复曲线晚期段出现的下掉，认为是邻井干扰的结果，代表了整个油田区域的压力下降状况。
The post section of buildup curves is in decline due to disturbance from offset Wells, which represent the pressure decline status in the whole oil region.
已开发油田的地层压力既可以由采油井关井的压力恢复曲线确定，也可以通过注水井关井的压力降落曲线确定。
The reservoir pressure of a developed oilfield can be determined not only by shut-in buildup curve for a producing well, but also by shut-in falloff curve of injecting water well.
在此基础上提出了用不稳定试井资料确定气井产能的新方法，即用压力恢复曲线法与压降曲线法相结合确定气井产能的新方法。
Based on these, the new method that pressure build-up curve associated with pressure fall-off curve to determining the productivity of gas well is proposed.
借鉴拉塞尔的续流分析方法，将焖井恢复压力曲线线性化并计算出流变参数；
Using Lasels analysis method of afterflow for reference, pressure build up curve of shut in well is linearized and rheological parameter is calculated.
本文从油井压裂后抽汲求产的井底压力分析出发，对压力恢复资料进行校正处理，得到了较好的恢复曲线，取得了准确的地层参数。
From analyzing the down hole pressure to calculate flow rate, by correction and process for these data, a better build up curves and accurate formation parameters are achieved.
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。
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。
Unsteady testing for oil and gas well includes testing of drawdown curve and build-up curve.
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