Chemical Agents Diversion with Microseismic Monitoring – New Prospects of Refracturing for Open-Hole Horizontal Well in Tight Oil Reservoir of Junggar Basin, China

2019 ◽  
Author(s):  
Jianlin Chen ◽  
yong Wang ◽  
Xubin Zhao ◽  
Chuanyi Tang ◽  
Yan Gao ◽  
...  
Keyword(s):  
Horizontal Well ◽  
Junggar Basin ◽  
Microseismic Monitoring ◽  
Tight Oil ◽  
Oil Reservoir ◽  
Chemical Agents ◽  
Open Hole ◽  
Tight Oil Reservoir

Integrated Formation Evaluation of a Complex Tight Oil Reservoir in Junggar Basin, Northwest China

2014 ◽  
Vol 1073-1076 ◽  
pp. 2286-2291
Author(s):  
Fang Fang Wu ◽  
Jin Chuan Zhang ◽  
Hao Zhang ◽  
Jin Long Wu
Keyword(s):  
Horizontal Well ◽  
Structural Model ◽  
Low Cost ◽  
Junggar Basin ◽  
Northwest China ◽  
Reservoir Quality ◽  
Tight Oil ◽  
Oil Reservoir ◽  
Horizontal Section ◽  
Tight Oil Reservoir

Jimusaer tight oil reservoir is characterized by complex lithology, low permeability and high total organic carbon (TOC) content. These features make conventional logging responses very complicated and bring big troubles to reservoir identification. Horizontal well drilling is extremely difficult due to high heterogeneity and uncertain faulting. To maximize oil production with low cost, an integrated solution is provided. First, accurate reservoir characteristics of the pilot well was got using an unconventional evaluation approach by combining capture spectroscopy log, micro-resistivity imager log, nuclear magnetic resonance log, et al. Second, structure analysis for sidetracking well and well correlation between the sidetracking well and the pilot well were done to guide the horizontal section drilling. Third, reservoir quality and completion quality were evaluated for horizontal well, and a 3D structural model was built to optimize the stimulation design by combining reservoir quality, completion quality and natural fractures.

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