As for the characteristics of ultra-low permeability and weakly volatile in Xi Shanyao formation, adopting water flooding in the early production period maintains the formation pressure to develop the reservoir.
针对西山窑组弱挥发性特低渗油藏特点,通过早期注水保持地层压力开发,研究确定了油藏地层压力保持水平为原始压力的0。
Based on the study of ultra-low permeability well pattern deployment in foreign countries,and with the combination of the practical exploitation in Daqing oilfield,this paper analyzes the major factors which influence the development effect of the ultra-low permeability oil pool in the periphery of Daqing oilfield.
在调研国内外特低渗透油田井网部署现状的基础上,结合大庆油田现有井网开发实际,分析影响大庆外围特低渗透油藏开发效果的主要因素。
In order to develop these reserves,we carry out a lot of field experiments for ultra-low permeability reservoirs in Fuyang oil layer at Block Zhou 201 and use long well spacing and short row spacing rectangular pattern for fracturing and waterflooding development.
为了经济有效开发这部分难采储量,在州201区块开展了特低渗透扶杨油层有效开发工业化矿场试验,采用大井距、小排距矩形井网大型压裂注水开发,通过人工压裂裂缝与井网优化配置,建立有效驱动体系,形成了一套适合特低渗透油层的开发配套技术,提高了单井产量和储量动用程度,为特低渗透扶杨油层的有效动用提供了新的开发手段。
As for the low and ultra-low permeability oil reservoirs, the maximum production after pressure can only be obtained by laying the same emphasis on long seams and the relatively high dimensionless fracture conductivity.
其主要的研究结论是,对低渗、特低渗透油藏而言,在强调长缝的同时,还必须强调相对高的无量纲裂缝导流能力,才能获得最大的压后产量。
Characteristics of non-Darcy flow velocity of oil-water phases in extra-low permeability reservoirs;
特低渗透储层油水两相非达西渗流特征
Micro-fractures in extra-low permeability reservoir of Yanchang Formation in Ordos Basin;
鄂尔多斯盆地陇东地区延长组长6—8特低渗透储层微裂缝研究
Monophase porous flow characteristics in micro-fractured extra-low permeability reservoirs;
微裂缝性特低渗透油藏单相流体渗流特征
This paper analyzes the pressure-sensibility for reservoir pore structure, permeability and porosity in abnormal high pressure and low permeability carbonate reservoir.
结果表明:储层岩石矿物成分以方解石为主,主要储集空间为粒内孔和粒间(溶)孔,以小喉道连通的孔隙和微喉道连通的孔隙占主导地位;储层渗透率属于典型的低孔特低渗透类储层,地层压力下降初期渗透率、孔隙度伤害严重,后期相对减弱;当地层压力下降10。
Study on the pressure sensitivity of abnormal high pressured and ultra-low permeable reservoirs;
异常高压、特低渗透油藏储层压力敏感性研究