The first and second derivative plates of concave pressure build-up curve are presented in this paper.
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。
They come equipped with safety relief valves and rupture discs to protect the cylinders from pressure build-up.
它们配备有减压阀和破裂盘，以保护钢瓶，防止压力积累。
The pressure build-up data of an artificially lifted well are the important basis for well performance analysis.
机采井的压力恢复资料是油井动态分析的重要依据。
They come equipped with safety relief valves and rupture disks to protect the cylinders from excessive pressure build-up.
它们配备有安全减压阀和破裂盘，以保护钢瓶，防止过多的压力积累。
Tanks are equipped with various circuits to control product fill, pressure build-up, pressure-relief, product withdrawal, and tank vacuum.
罐子配备有各种控制产品灌装、压力积累、减压、产品取出和罐子真空的回路。
Soil nonlinearity, pore water pressure build-up process and boundary condition of the model are taken into account in the calculation model.
计算模型考虑了土体非线性、孔隙水压力的变化以及模型边界条件的处理等。
It also has good prospects in the scope of water hold-up, pressure build-up and water injection rate measurements through tool modifications.
该仪器经适当改造，在含水率测试、压力恢复测试、注水测试等领域也具有良好的应用前景。
Obtaining formation permeability using pressure build-up method is one of estimating the formation permeability methods according to RFT logging data.
压力恢复法求渗透率是利用RFT测井资料估算地层渗透率的方法之一。
This is an insulated, vacuum-jacketed, pressure vessel. They are equipped with pressure-relief valves and rupture disks to protect the cylinders from pressure build-up.
这是一个隔热的有真空夹层的压力容器。它们配备有减压阀和破裂盘，以保护钢瓶，防止压力积累。
A typical transfer line for dewars is connected to a bayonet that provides a means of using product vapor pressure build-up or an external pressure source to remove the liquid.
用于杜瓦瓶的典型的转移管连接到卡口上，利用产品积累的蒸气压或外部的压力源来取出液体。
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.
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。
The draw-down test basically found out the double porosity feature of palaeozoic burried hill reservoir, during pressure build-up test, water boundary and fault boundary were revealed .
压降测试基本测出了古潜山油藏双重孔隙特征，在压恢测试过程中测得了水边界和断层边界。
The results indicate that using pressure build-up steady state pressure survey approach to calculate starting pressure gradient has obvious advantages with simple method and is theoretically correct.
结果表明：压力恢复稳态测压法求解启动压力梯度理论正确，方法简单，具有明显的优点。
Using Lasels analysis method of afterflow for reference, pressure build up curve of shut in well is linearized and rheological parameter is calculated.
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.
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；
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