Results 71 to 80 of about 5,207,446 (200)

Reservoir stability in the process of natural gas hydrate production by depressurization in the shenhu area of the south China sea

open access: yesNatural Gas Industry B, 2018
Reservoir stability is a key factor in the production of natural gas hydrate (NGH), and also a prerequisite to ensuring safe and efficient NGH production. However, it has been rarely discussed.
Wan Yizhao   +6 more
semanticscholar   +1 more source

Characterisation and modelling of naturally fractured reservoirs

open access: yes, 2004
Naturally fractured reservoirs are generally extremely complex. The aim of characterisation and modelling of such reservoirs is to construct numerical models of rock and fractures, preparing input data for reliable stimulation and fluid flow simulation analyses. This requires the knowledge of different fracture heterogeneities and their correlations at
openaire   +3 more sources

Small mammals - natural reservoir of pathogenic leptospires

open access: yesVeterinární Medicína, 2002
A total of 429 specimens belonging to 9 species of small mammals, trapped in various areas of the CzechRepublicduring the year 2001, were examined for antibodies against leptospires.
F. Treml, M. Pejčoch, Z. Holešovská
doaj   +1 more source

How to find natural reservoir hosts from endemic prevalence in a multi-host population: a case study of influenza in waterfowl.

open access: yesEpidemics, 2009
The transmission dynamics of infectious diseases critically depend on reservoir hosts, which can sustain the pathogen (or maintain the transmission) in the population even in the absence of other hosts.
H. Nishiura   +4 more
semanticscholar   +1 more source

Hydrogen storage and geo-methanation in a depleted underground hydrocarbon reservoir

open access: yesNature Energy
Coupling of power-to-gas processes with underground gas storage could effectively allow surplus electricity to be stored for later use. Depleted hydrocarbon reservoirs could be used as stores, but practical experience of hydrogen storage in such sites is
Cathrine Hellerschmied   +9 more
semanticscholar   +1 more source

Rat-to-Elephant-to-Human Transmission of Cowpox Virus

open access: yesEmerging Infectious Diseases, 2008
Andreas Kurth   +5 more
doaj   +1 more source

Differences in geochemical characteristics of produced water from coalbed methane wells and their indications for drainage:A case study of the Santang Syncline in Western Guizhou

open access: yesMeitan kexue jishu
The produced water from coalbed methane (CBM) wells contains abundant geological information. Analyzing its geochemical characteristics and inter-well differences can provide scientific guidance for fine-scale drainage. Taking the Santang Syncline of the
Xiaozhi ZHOU   +7 more
doaj   +1 more source

Investigation on effects of water-shale interaction on acoustic characteristics of organic-rich shale in Ordos Basin, China

open access: yesJournal of Petroleum Exploration and Production Technology
The water-shale interaction affect the shale structure, leading to wellbore instability and increasing drilling costs. The extent of structural changes within the shale can be determined non-destructively by analyzing its acoustic characteristics ...
Yan Zhuang   +6 more
doaj   +1 more source

A Transient Two−Phase Productivity Forecasting Method in Fractured Nanoporous Shale Gas Reservoirs

open access: yesNanomaterials
Hydraulic fracturing is a critical technology for developing shale gas reservoirs, which are typical natural nanoporous media. However, the complex two−phase flow induced by fracturing fluid retention and the strong interference among hydraulic fractures
Ruihan Zhang   +4 more
doaj   +1 more source

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