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Article
Analysis of main controlling factors for hydrocarbon accumulation in central rift zones of the Hailar-Tamtsag Basin using a fault-caprock dual control mode
The Hailar-Tamtsag Basin is a typical rift basin where two sets of regional caprocks are developed, i.e., mudstone caprocks (containing a small amount of tuff) developed in strong rifting stage and fault-depre...
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Article
Open AccessType and evolution of carbonate platforms in Jixian Period Mesoproterozoic: southwestern margin of Ordos Basin
The Ordos block experienced extension in the Mesoproterozoic, during which the Longshan–Kuan** and Haiyuan rifts developed on its southwest margin. The Jixian Group (1.6–1.4 Ga) is mainly exposed on the rimm...
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Article
Deformation Mechanism and Vertical Sealing Capacity of Fault in the Mudstone Caprock
The petrophysical property of mudstone often transforms from ductile to brittle in the process of burial-uplift. The deformation mechanism of fault in brittle and ductile mudstone caprock is different, which l...
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Article
Feasibility of Re-injecting the Production Effluent from Alkali–Surfactant–Polymer Flooding Systems Back into a Reservoir to Further Improve Oil Recovery
Alkali–surfactant–polymer (ASP)-produced effluent contains polymer, alkali and surfactant, and it has higher content of suspended oil droplets and suspended solids than ordinary effluent. To decrease environme...
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Article
Microscopic and Fractal Characterization of Organic Matter within Lacustrine Shale Reservoirs in the First Member of Cretaceous Qingshankou Formation, Songliao Basin, Northeast China
Understanding the occurrences of different fractions of organic matter in shale reservoirs is very important for the evaluation of shale oil. Lacustrine organic-rich shale samples from the first member of the ...
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Article
Analysis of efficient operation conditions of the Shuang 6 gas storage in Shuangtaizi Oilfield, LiaoHe Basin, China
Production safety at the Shuang 6 gas storage facility is controlled by the fault block system underlying the facility. In this study, the “fault valve” theory, Coulomb fracture criterion, and current crustal ...
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Article
Influence of Proppant Parameters on Hydraulic Fracture Conductivity
This study focuses on the influence of proppant parameters on the long-term conductivity of hydraulic fractures. Embedment of proppants in fracture walls and proppant crushing was studied using FCMS-V fracture...