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- sand production formation 出砂地层
- Through the stress analysis, this paper discusses the relations of natrual stress, formation pressure, hole angle and azimuthal angle to sand production of reservoir. 通过对定向井、水平井生产时期的受力分析,讨论了油气层出砂与地层原地应力、地层压力、井斜角、方位角之间的关系。
- The reasons for sand production include the decline of formation pressure, the clasticdeformation of rock matrix, the breakdown of sand cementing matter and the washout ofhigh speed fluid. 出砂的原因是：油层孔隙压力降低，砂岩骨架被压碎；孔隙内介质变化使胶结物破坏；高流速下液体冲坏砂拱等。
- Estimating maximum output of loose sandstone oil reservoir without controlling sand production at Minqiao oil field. 闵桥油田疏松砂岩油层在无防砂条件下最大产量估算。
- The brief illustration list of the complete set of glass sand production equipments. 玻璃砂成套生产设备简要说明表。
- And wellbore instability also influences the perforation and sand production,ect in the reservoir development. 井壁失稳还影响固井，油藏开发中的射孔、防砂、采油和油井增产等后序作业的实施。
- Mainly designs for the customer from the product development to the revertex product formation as well as the batched end product production. 主要为客户从产品开发设计到塑胶制品成型以及批量化成品生产。
- Sand production has been recorded in some of the DST tests and production tests of P oil field. 油田在开发早期油藏评价阶段试油、试采过程中,部分井、层有出砂现象。
- Main management project: , mold development, manufacture as well as revertex product formation processing, production and so on. 我司主要经营项目：、模具开发、制造以及塑胶制品成型加工、生产等。
- Analyzing the reason and apprehending the mechanism of sand production are the critical technique for sand prevention. 防砂工艺技术的关键在于正确分析油层出砂的原因,并判断油层出砂机制。
- Yield front propagates away from the wellbore with the process of sand production. 屈服带随出砂量的增加沿井径向外扩张。
- Develop the develop or improve the design according to the requirement of design task, product format and auto technology. 根据设计任务书或产品规格及车辆技术的要求进行相关产品开发或改进工作；
- Sand production in oil and gas wells has become a serious problem for unconsolidated reservoir production. 油气井的出砂已经成为困扰疏松油藏生产的一个严重问题。
- The above results suggest that the coexistence of Fe and S has a large synergetic effect on the pyrolysis reaction and the product formation process. 结果表明，铁和硫的协同作用对甲苯热解的反应过程和产物形貌影响很大。
- Thousands of installations demonstrate the reliability and suitability of these simple and effective tools for sand production. 本机具有可更换磨损件，厚壁管和轴，带隔离结构下部轴承和特重负荷齿轮箱。
- Plugging removal after sand producers is contaminated results in more serious sand production, so BHS?A acidizing sand control fluid is developed. 为此,研制了以树脂、阳离子聚合物、硫脲为主要原料,再与酸液复配制得的BHS-A酸化防砂液。
- Most of the sand production prediction for oil wells is about critical drawdown pressure, prediction about sand production volume (SPV) is less. 摘要大多数有关油井出砂的预测基本上是预测出砂临界生产压差，关于出砂量的预测比较少。
- Sebei gas field located in the east of Qaidam Basin has unconsolidated reservoir rock,sand production is a serious problem and affects well production. 柴达木盆地东部的涩北气田储层岩石成岩性差,疏松易散,生产中存在出砂的问题,影响了气田的正常生产。
- The teservoir rock Permian system is one of the main productive formation for the commercian natural gas at Tabamiao region in North Ordos Basin. 鄂尔多斯盆地北部塔巴庙地区二叠系砂岩储层是主要的工业天然气产层之一。
- Severe sand production of the oil layer can lead the appearance of bare hole or stratum caves and casing bend and local heat concentration. 油层大量出砂造成的空洞、塌陷等引发套管弯曲,局部热应力集中,使套管应力增加而损坏。
