Improvement of Fracturing for Gas Shales
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منابع مشابه
The Role of Natural Fractures in Shale Gas Production
Natural fractures seem to be ubiquitous in shale gas plays. It is often said that their presence is one of the most critical factors in defining an economic or prospective shale gas play. Many investigators have presumed that open natural fractures are critical to gas production from deeper plays such as the Barnett, as they are for shallower gas shales such as the Dev‐ onian shales of the nort...
متن کاملRisks to biodiversity from hydraulic fracturing for natural gas in the Marcellus and Utica shales.
High-volume horizontal hydraulic fracturing (HVHHF) for mining natural gas from the Marcellus and Utica shales is widespread in Pennsylvania and potentially throughout approximately 280,000 km(2) of the Appalachian Basin. Physical and chemical impacts of HVHHF include pollution by toxic synthetic chemicals, salt, and radionuclides, landscape fragmentation by wellpads, pipelines, and roads, alte...
متن کاملEffect of Surfactant Adsorption on the Wettability Alteration of Gas-Bearing Shales
Water loss in low permeability reservoirs during hydraulic fracturing well completions typically results in a decrease in natural gas production due to capillary trapping near the fractures. Shale gas reservoirs, however, have shown a trend of improved gas production with increased loss of completion fluids to the shale. This nonintuitive relationship between water imbibition and enhanced gas p...
متن کاملFracture Dynamic Propagation Model of High-Energy Gas Fracturing for Casing Perforated Well
The onshore oil and natural gas industries of China have started a large-scale development when crude oil reserves have been difficult to recover. The stratum fracture modification is an indispensable measure to efficiently develop oil and gas fields. Hydraulic fracturing is the most important reservoir stimulation technique, but it is still faced with various problems such as the failure to fr...
متن کاملWhat is the True Cost of Hydraulic Fracturing? Incorporating Negative Externalities into the Cost of America’s Latest Energy Alternative
Decreased technological costs and increased efficiency of horizontal drilling has made obtaining natural gas from shale deposits through hydraulic fracturing a viable economic option. However, current estimates of per kWh costs to obtain natural gas through this method do not account for increased environmental risks. By incorporating damages from air and water pollution, the true cost of hydra...
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تاریخ انتشار 2010