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- Low permeability reservoir development is a technical challenge in China. 摘要低渗气藏的开发已成为我国气藏开发所面临的一个技术挑战。
- The percolation mechanism of low permeability reservoirs differs a lot from that of conventional gas reservoirs. 由于低渗气藏一般具有低孔低渗的特点,所以其渗流机理与普通气藏相差很大。
- Well logging evaluation emphasizes differently according to different types of low permeability reservoirs. 摘要不同类型的低渗透气藏测井评价的重点不尽相同。
- Many experiments justify that there is a threshold pressure gradient (TPG) in low permeability reservoirs. 试验表明 ,低渗透油藏存在启动压力梯度。
- Based on low productivity and injectivity of a well for low permeability reservoirs,close well pattern and well spacing must be performed. 低渗透油层低的单井采油能力和吸水能力注定了低渗透油藏必须采用密井网和油水井数比低的井网。
- Aim To study the water displacing oil efficiency of weak oil-wet low permeability reservoirs, displacing process and affecting factors. 摘要目的研究特低渗弱亲油储层水驱油过程、水驱油效率及其影响因素。
- The deliverability prediction theoretic curve of fractured well in low permeability reservoirs with threshold pressure effect is studied in this paper. 针对具有启动压力影响的低渗透储层压裂井的不稳定产能预测理论曲线进行了分析研究。
- Pore structure of Daqing and Changqing low permeability reservoirs is further studied using rate-controlled mercury penetration technique. 利用恒速压汞技术研究了大庆和长庆低渗透油藏岩心的孔隙结构。
- In addition, the fluid flowing boundary extends outwards continuously with time is the remarkable feature of low permeability reservoirs. 另外,低渗透问题一个显著的特点就是具有动边界,即边界随着时间不断向外扩展。
- And low permeability reservoir is slower than mid-high permeability reservoir in pressure wave propa... 低渗透油藏比中高渗透油藏的压力波传播速度慢。
- No doubt, it has a directive effect on exploratory development of petroleum in China that predicts fracture character and distributive law in low permeability reservoirs. 系统开展低渗储层中裂缝特征和分布规律研究预测,无疑对我国的低渗透储层油气勘探开发具有指导作用。
- The characteristics of single phase and two phase percolations in low permeability reservoirs are studied by taking low permeability reservoirs in ZW Oilfield for example. 以ZW油田低渗储层为例,研究了低渗油藏单相、两相渗流特征。
- The results show that under residual water conditions, gas percolation with low speed in water-wet low permeability reservoirs has obvious characteristics of non-Darcy flow. 研究成果表明:在残馀水状态下,亲水低渗储层岩石中的气体低速渗流具有明显的非达西渗流特徵;
- Bonan oilfield is a typical high pressure and low permeability reservoir in Chinese low permeability oilfield. 高压低渗油田油井堵水技术难度大 ,机械卡封成功率低。
- The generation mechanism of CO during fracturing stimulation in low permeability reservoir is first studied in this paper. 首次对低渗透油田压裂增产过程中一氧化碳气体生成机理进行了综合研究。
- Fingering often occurs in waterflood development low permeability reservoir because of non-Darcy flow, which is weakened with formation dip increasing. 结果表明,由于非达西渗流的影响,注水开发时容易发生指进现象,而地层倾角的增大可以削弱指进;
- During well testing in low permeability reservoir, the produced fluids could not flow out of the wellbore, and there occurred a slug flow at wellbore. 在低渗透油田的测试过程中,井筒中的流体常因流不出地表而在井筒中发生段塞式流动,使流动与恢复测试阶段的井筒压力均上升。
- It is an effective way to exploit low permeability reservoir, difficult-to-produce reserves and remaining oils with complex wells. 复杂结构井技术是开发低渗透油藏、难采难动用储量和挖掘剩余油行之有效的手段。
- Foundation of stable production of low permeability reservoir,in Bonan Oilfield,is undermined by incompletion of injection-production pattern. 渤南油田低渗透油藏注采井网二次不完善,削弱了油田稳产基础。
- Influenced by effect of bore hole afterflow,a long closes time is needed for pressure build up test in low permeability reservoir. 受井筒续流效应的影响,低渗透油藏的压力恢复试井需要较长的关井时间。