1) low and extremely low permeability
低渗-特低渗油藏
2) ultra-low permeability reservoir
特低渗油藏
1.
Microscopic seepage mechanism of initial high water cut of production wells in ultra-low permeability reservoir;
特低渗油藏生产井初始含水率高的微观机理
2.
Nonlinear feature of flow resistance gradient in ultra-low permeability reservoir
特低渗油藏渗流阻力梯度的非线性特征
3.
Research on Reasonable Well Spacing of Deformation Medium in Ultra-low Permeability Reservoirs
变形介质特低渗油藏合理井距研究
3) low permeability and ultra-low permeability reservoirs
低渗、特低渗透油藏
4) low and ultra-low permeability reservoir
低渗透-特低渗透油藏
5) low permeability reservoir
低渗油藏
1.
A new method of measuring starting pressure for low permeability reservoir;
一种测定低渗油藏启动压力的新方法
2.
Deep pumping by sucker rod in low permeability reservoir;
低渗油藏有杆泵深抽采油配套技术
3.
Using imbibition method to improve recovery efficiency of low permeability reservoir
利用渗吸法提高低渗油藏采收率技术
6) low-permeability reservoir
低渗油藏
1.
Research on the adaptability of natural gas drive for low-permeability reservoir
低渗油藏天然气驱适应性研究
2.
The productivity equations in steady fluid flow and oil-gas two-phase flow with solution gas drive of horizontal wells in low-permeability reservoirs were established by equivalent flowing resistance method.
采用等值渗流阻力法,推导出了低渗油藏水平井稳定渗流产量公式、溶解气驱油气两相流产能方程及无因次流入动态方程。
3.
The low-permeability reservoir is remarkably characterized by threshold pressure gradient,which makes high filtration resistance,declines sweep scope of injected water,owing to the threshold pressure gradient in the process of the fluid flow through porous media,how to confirm the injected water effective scope is one of the key techniques to develop the low-permeability reservoir effectively.
低渗透油藏最显著的特征是存在启动压力梯度,这使其在注水开发过程中渗流阻力增大、降低注入水的波及范围,在考虑流体渗流时存在的启动压力梯度影响条件下,如何准确确定注入水影响范围,是有效开发低渗油藏的关键技术之一。
补充资料：低渗溶液
低渗溶液
hypotonic solution
低于人血浆渗透压的溶液。人血浆渗透压为0.71kPa。通常以此为标准来衡量溶液的渗透压，低于此标准的溶液被称为低渗溶液。主要用于高渗性脱水的病人。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条