压力恢复曲线 meaning in English

build-ucurve
buildup curve
pressure build-up curve

Build - up curve
压力恢复曲线
In the multiple - layered test for injection wells , a lot of pressure falloff curves in the single layers are hard to show a radial flow straight line due to the perturbative phenomena of multilayer reservoir , low permeability or short test time
摘要在注水井分层测试中，由于油藏的低渗透性或者测试时间相对较短等原因，各层的压力恢复曲线难以出现径向流直线段。