由于降低了酸蚀裂缝的有效闭合压力，砂岩储层注水井酸压比生产井酸压更可能获得成功。
The water injection well of sandstone reservoir may succeed more than production well if taking acid fracturing treatment because reducing of effect closed pressure on acid etching fracture.
建议对注水系统的注水井、管网、注水站均进行改造，综合调整，降低井口压差。
The injection Wells, pipe network and injection plant in the injection system should be reformed and adjusted and made differential pressure at well head reduce.
通过对注水井压降曲线形态的分析，提出了压降曲线的等轴双曲函数的数学表达式。
The axisymmertyical hyperbola function mathematical formulation of pressure fall-off curves is given by analysing the pattern of the generous pressure fall-off curves of the injection wells.
运用此项研究得出的一套注水井射孔完井参数预测的理论方法，为提高差油层的吸水能力、减轻油层超破压注水提供了新思路。
This injection well perforation parameter prediction theoretical method provides a new way to improve poor formation's water absorbing capability and mitigate over fracture pressure injection.
压裂酸化(又称酸压)是改造油气层的有效方法，是油气水井的重要增产增注措施。
Acid fracturing is an effective method to reform carbonate reservoir and an important stimulating method to improve the production of oil (gas) well and the injection rate of water well.
水力压裂是油气井增产、注水井增注的一项重要措施。
Pressing crack is one of important means for increasing oil and gas well production and water injection of injection well.
同时它利用周期性负压和少量多次注酸，限制水井酸处理的污染范围，降低对地下水的污染程度。
Using periodic negative pressure and less amount of acid with multiple injection effectively reduces groundwater pollution.
在注水井带压测试工艺中，由于注水压力的影响，测井电缆依靠自身质量无法向井下输送，为此开发研制了测井电缆带压下井输送器。
Due to high water injection pressure, it is difficult to transport the logging cable into water injection WLL by its own weight during well logging process.
使用该模型计算注水井压裂对相邻油井的产量影响情况，从而优选出注水井裂缝参数。
The effect of the water injection well fracturing on the adjacent oil well production is calculated by the model and then the fracture parameters of water injection well are optimized.
使用结果表明：与常规水井酸处理法相比，水井酸处理的周期性负压法可使水井酸处理效果平均提高186 %，酸处理后的污水排出量减少5 9%。
The practice results show that this method can increase 186% of average well discharge and reduce 59% of average drainage of polluted water in comparison with the conventional method.
压裂是目前油、气井增产和注水井增注的有效措施。
The pressing crack is the the effective measure which is used in oil gas well and water injection well at present.
水力压裂是油气田增产、注水井增注的一项重要措施。
Hydraulic fracturing is an important measure for increasing the output of oil-gas field and augmenting injection of water-injection well.
水力压裂是油井增产、水井增注的重要措施，特别是在低渗透油气田，它已成为油田开发不可替代的关键技术。
Hydraulic fracturing is a key technique in increasing production and augmented injection, especially in lower permeability oil field.
管弄出来的压载管路接头延伸至左右舷的双层底压载水井中。
Ballast line connection from the pipe tunnel to be extended to ballast well in the DB tank on port as well as Stbd side.
根据渗流力学、岩石力学、传热学、断裂力学知识，建立了油水井三维水力压裂模拟计算的数学模型。
According to the theory of fluid mechanics in porous media, rock mechanics, heat transferring and fracture mechanics, the mathematic model is established to characterize 3d hydraulic fracturing.
根据渗流力学、岩石力学、传热学、断裂力学知识，建立了油水井三维水力压裂模拟计算的数学模型。
According to the theory of fluid mechanics in porous media, rock mechanics, heat transferring and fracture mechanics, the mathematic model is established to characterize 3d hydraulic fracturing.
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