通过对大民屯西陡坡沙四段岩心观察分析、测井特征解释、沉积储层的系统研究,认为研究区发育完整的扇三角洲沉积体系,前扇三角洲以泥岩和粉砂岩为主,同时在沈273、沈262井区可见由扇三角洲前缘亚相向前扇三角洲滑塌形成的典型透镜状浊流砂体;扇三角洲前缘以粉细岩、河道砂岩、砾质砂岩为主,发育广泛,物性较好,为油层主力发育区;扇三角洲平原岩性以砂砾岩为主,沉积主要为陆上沉积,沈267、沈357井可见明显的陆上
In order to study the bending behavior of aluminum alloy 7050 thick plate during snake hot rolling, several coupled thermo-mechanical finite element(FE) models
The mining space of large mining height coal face is large,the range of movement and caving of rock strata is large and the stability of supports at coal face i
红河油田为超低渗裂缝性油藏，为改善水驱开发效果，开展了泡沫辅助空气驱提高采收率数值模拟研究。根据该油田105井区的地质油藏备件，建立三维地质模型，在历史拟合的基础上，对泡沫
牟页1井是河南中牟区块实施的南华北地区第一口海陆过渡相页岩气探井,通过对钻完井工程成果综合研究,优选出牟页1井太原组、山西组三个压裂层段,采用快钻桥塞分段压裂,累计注
根据高职院校艺术设计类专业人才培养的特点,提出＂工作室制＂人才培养模式。深入探索＂以工作过程为导向＂的＂工作室制＂教育理念的人才培养模式,构思工作室的组建、运行、教学方式及现
Al-Si/15%SiCp(volume fraction) composites with different silicon contents were fabricated by spray deposition technique, and typical microstructures of these co
模拟春光油田稀油小砂体油藏条件,优选耐盐性能好的起泡剂CH-015、稳定剂HJ-1及冻胶分散体构成三相泡沫,并进行了性能实验评价,实验结果表明:冻胶分散体三相泡沫起泡能力强,
通过对大牛地气田奥陶系风化壳碳酸盐岩储层分类及裂缝的测井响应特征研究认为,风化壳碳酸盐岩储层主要分为裂缝-溶洞型、裂缝型和孔隙型三类;并根据储层类型和裂缝识别敏感
The meshing characteristic of asymmetric involute spur gear was studied, the equations of the geometric shape of the asymmetric gear for both sides were deduced