Results 41 to 50 of about 10,488 (307)

Electrical responses and classification of complex waterflooded layers in carbonate reservoirs: A case study of Zananor Oilfield, Kazakhstan

open access: yesPetroleum Exploration and Development, 2020
Experiments of electrical responses of waterflooded layers were carried out on porous, fractured, porous-fractured and composite cores taken from carbonate reservoirs in the Zananor Oilfield, Kazakhstan to find out the effects of injected water salinity ...
Fei WANG   +4 more
doaj   +1 more source

Three Dimensional Thermo-poroelastic Modeling of Fluid Injection and Induced Microseismicity in Naturally Fractured Reservoirs [PDF]

open access: yes, 2018
Interests in naturally fractured reservoirs have grown rapidly in recent years due to the increasing energy needs. Understanding the behavior of naturally fractured reservoirs would be beneficial for a variety of engineering applications, including ...
Cheng, Qinglu
core  

Correlations between the effective permeability and seismic anisotropy of fractured reservoirs [PDF]

open access: yes, 2011
The successful exploitation of many hydrocarbon reservoirs may depend on proper characterization of fractured or composite porous media. However, due to anisotropy and heterogeneity, the characterization of such kind of reservoirs is a complicated task ...
Ali, Aamir
core   +1 more source

Natural Biomaterials for Osteochondral Repair: From Source to Strategy

open access: yesAdvanced Healthcare Materials, EarlyView.
Biological origin‐guided overview of natural biomaterials and therapeutic strategies for osteochondral tissue engineering. The circular diagram categorizes representative materials and strategies into plant/algae‐derived, microbial‐derived, animal‐derived, and human‐derived sources, centered on an osteochondral defect repair model.
Hengyu Liu   +5 more
wiley   +1 more source

A Numerical Model for Pressure Analysis of a Well in Unconventional Fractured Reservoirs

open access: yesEnergies, 2023
Fractured reservoirs are highly heterogeneous in both matrix and fracture properties, which results in significant variations in well production.
Jiwei He   +5 more
doaj   +1 more source

Tough, Ductile, and Strong Hard‐Soft Cementitious Composite Enabled by Multi‐Material Additive Manufacturing

open access: yesAdvanced Materials, EarlyView.
Drawing inspiration from the layered hard‐soft architecture found in sea sponges, this work establishes a new framework for architected cementitious composites (ACC) through multi‐material additive manufacturing (MMAM) process. The integration of mortar and elastomer phases into layered architectures enables synergistic toughening mechanisms, including
Aimane Najmeddine   +5 more
wiley   +1 more source

A Solidified Controllable Resin System Suitable for Fracture Cavity Formation Plugging and Its Performance Characterization

open access: yesGels
Thermosetting resins have good temperature resistance and high strength and have been widely used as plugging agents in oil fields. However, the current resin materials have high costs, and unmodified thermosetting resins are brittle or have deteriorated
Shuanggui Li   +3 more
doaj   +1 more source

Experimental study of gas–oil relative permeability curves at immiscible/near miscible gas injection in highly naturally fractured reservoir

open access: yesEgyptian Journal of Petroleum, 2017
The main aim of this work is to investigate gas–oil relative permeability curves as the main flow function in different gas injection scenarios, immiscible and near miscible in case of highly fractured reservoirs.
Mohammad Parvazdavani   +2 more
doaj   +1 more source

Theoretical Study and Application of Rate Transient Analysis on Complex Fractured-Caved Carbonate Reservoirs

open access: yesGeofluids, 2021
Carbonate reservoirs are mainly fractured-caved reservoirs with very well-developed dissolved pores, fractures, and caves. They have strong heterogeneity with various types of reservoir pore spaces.
Qingyan Yu   +6 more
doaj   +1 more source

Elephant‐Skin‐Inspired Porous Cementitious Tiles with Programmable Crack Networks for Passive Cooling

open access: yesAdvanced Materials, EarlyView.
Elephant‐skin‐inspired crack networks are programmed in porous diatomaceous earth (DE)‐cement composites using substrate‐guided, stress‐concentration induced fracture. The resulting crack lattices act as capillary conduits that redistribute water, while the porous matrix stores moisture.
Qingya Huang   +5 more
wiley   +1 more source

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