2) low pressure and low permeability
低压低渗
1.
Research and application of cementing technologies in low pressure and low permeability reservoirs in Daniudi gas field;
大牛地气田低压低渗储层固井工艺技术研究与应用
3) High-pressure and low-permeability
高压低渗
1.
Because of weak pressure conductive ability in high-pressure and low-permeability reservoir,pressure builds up slowly when the oil well shut down,and well killing fluid density,according to formation pressure,is higher,resulting in formation damage.
由于高压低渗裂缝性储层导压能力较弱,关井后压力恢复缓慢,因此根据地层压力确定的压井液密度偏高、易造成储层污染,通过对储层压力恢复速度进行分析,确定出适用于不同压力恢复速度和施工周期的压井液密度,现场应用后取得了较好的油层保护效果和经济效益,并为同类储层压井液密度的选择提供了良好的借鉴。
4) Low-pressure infiltrating method
低压渗流
5) low pressure carburizing
低压渗碳
1.
Advantages of acetylene low pressure carburizing and cracking characteristics of both propane and acetylene were summarized.
概述了乙炔低压渗碳的优点,丙烷和乙炔的裂解特性,对乙炔低压渗碳,丙烷低压渗碳和普通丙烷渗碳的效果进行了对比。
2.
The acetylene low pressure carburizing technology can effectively prevent furnace housing from sooting and tarring,and is specially suitable for carburizing of injector valve with small and deep blind hole.
乙炔低压渗碳可以有效地避免在真空渗碳过程中产生炭黑和焦油 ,同时由于乙炔具有较高的供碳能力 ,使这一技术尤其适用于针阀体这样的小直径深盲孔零件。
6) low permeability and high pressure
低渗高压
1.
This paper analyzes the difficulty of the cementing of tertiary infilling of the major oil fields of Daqing Oil field and proposes the relation among the reservoirs with low permeability and high pressure, casing damage and water injection after casing damage and the effect of gas reservoirs and foam flooding on cementing quality.
分析了大庆主力油田三次加密井固井的难点 ,提出了低渗高压层、套损及套损后注水之间的关系以及气层、泡沫驱油等对固井质量的影响。
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