压裂水平井的渗流过程较之水平井及垂直裂缝井更复杂,其压力动态特征与水平井存在较大差异。
Flow process of fractured horizontal well is more complicated than horizontal well and vertical fractured well, and its pressure dynamic features have much difference with horizontal well.
利用深井高温承压自流井、温泉区自流井水位动态预报地震的方法,已经被国内外地震学家所重视。
The earthquake prediction method of using the water level data of hot and warmer water in artesian well have been approved by many seismologists.
本文又在负压区运用了正压井、负压井、动态气流密封负压高效排风装置等一系列有价值的措施,并在理论上证实其实用意义。
Some measures such as the positive pressure well, the negative pressure well, the high efficiency exhaust sealed with dynamic air current are all effective in theory.
水平井筒内的压力损失对压裂水平井的生产动态有一定的影响;
The pressure loss in horizontal borehole may have certain influences on production performance of fractured horizontal wells.
瓶颈裂缝可引起井产能急剧下降,压裂液滤失也对井动态有一定的负面影响。
The results indict that choked fracture and leak off of fracture fluid had a negative effect on well productivity.
水力压裂已成为开发低渗透油气藏的较为常用且相当有效的增产措施,试井在分析压裂井动态方面有其独特的作用。
Hydraulic fracturing has become the common and effective stimulation to exploit low permeable reservoirs. Well test plays special role in the performance analysis of fractured Wells.
方法采用野外观察、井间示踪剂、动态注水、压裂等方法进行裂缝识别研究。
Methods According to the study of outcrops, apply interwell tracer, water flooding method and fracturing technique.
目前基于达西流动假设所制作的预测压裂井生产动态的典型图版,对压裂气井生产动态的计算结果与实际相差较大。
There is a big gap between the production performance prediction on the fractured Wells using the typical curves developed by darcy flow law and practice.
目前基于达西流动假设所制作的预测压裂井生产动态的典型图版,对压裂气井生产动态的计算结果与实际相差较大。
There is a big gap between the production performance prediction on the fractured Wells using the typical curves developed by darcy flow law and practice.
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