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Effect of Water Imbibition on Fracture Generation in Mancos Shale under Isotropic and Anisotropic Stress Conditions
Publisher: American Society of Civil Engineers
Abstract: During hydraulic fracturing in shale oil and gas reservoirs, hydration swelling due to shale water imbibition is believed to create secondary fractures that improve permeability, as observed at ambient conditions. In this ...
Transducer-Shadow Effects on Turbulence Spectra Measured by Sonic Anemometers
Publisher: American Meteorological Society
Abstract: We show that the horizontal turbulent velocity components measured by the common sonic anemometer array can suffer attenuation and crosstalk as a result of the flow blockage caused by the acoustic transducer assemblies. ...
Performance Evaluation of a Highly Inhibitive Water-Based Drilling Fluid for Ultralow Temperature Wells
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Drilling fluid with proper rheology, strong shale, and hydrate inhibition performance is essential for drilling ultralow temperature (as low as −5 °C) wells in deepwater and permafrost. In this study, the performance of ...