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- 13Hydraulic Fracturing
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A Comparative Study of Flowback Rate and Pressure Transient Behaviour in Multifractured Horizontal WellsDownload
Tight reservoirs stimulated by multistage hydraulic fracturing are commonly characterized by analyzing the hydrocarbon production data. However, analyzing the hydrocarbon production data can best be applied to estimate the effective fracture-matrix interface, and is not enough for a full fracture...
The increasing demand for fossil energy and the decreasing trend of conventional resources have shifted the focus of industry towards unconventional resources including shale gas, shale oil, tight gas, tight oil, and coalbed methane. Recent advances in stimulation techniques, including horizontal...
Massive hydraulic fracturing operations conducted in shale reservoirs create extensive fracture networks to enhance recovery of hydrocarbons from low permeability shale reservoirs. Fluid invasion into the shale matrix is identified as one of the possible mechanisms leading to low fracturing fluid...
Displacement of Water by Gas in Propped Fractures: Effect of Fracture Fluid Surface Tension, Viscosity, Proppant Wettability and GravityDownload
Inefficient recovery of fracturing water used in multi-stage hydraulic fracturing operations is a growing industrial concern. Non-recovered water can be trapped in the tight rock matrix and/or in the complex fracture network. Trapped water can block the gas flow and damage the reservoir. This...
Effects of salinity on the leaching of ionic species from the Duvernay Formation, a Canadian hydraulic fracturing playDownload
Hydraulic fracturing combined with horizontal drilling has revolutionized the oil and gas industry in North America. The majority of Canada’s hydraulic fracturing operations are in Alberta and British Columbia, with the Montney and Duvernay formations ranked highest in five hydraulically...
Lithium Recovery from Hydraulic Fracturing Flowback and Produced Water using a Manganese-Based SorbentDownload
Increased demand for lithium products for use in lithium ion batteries has led to a search for new lithium resources in recent years in order to meet projected future consumption. One such potential lithium resource is low lithium bearing brines that are discharged from hydraulically fractured...
The increased development of unconventional resources recovery has dramatically changed the global energy landscape over the past two decades. Hydraulic fracturing combined with horizontal drilling, a key technology in recovering these resources, requires large freshwater volumes to fracture the...
This paper presents a numerical investigation of hydraulic fracturing in oil sands during cold water injection by considering the aspects of both geomechanics and reservoir fluid flow. According to previous studies, the low shear strengths of unconsolidated or weakly consolidated sandstone...
Numerical Modeling of Hydraulic Fracturing in Cohesionless Sand: Validation Against Laboratory ExperimentsDownload
Summary In this paper, a new hydraulic-fracturing model is introduced for cohesionless sand, which is also applicable to weak sandstone formations with high permeability and low shear strength. Phenomena such as shear-band development and shear-enhanced permeability are of paramount importance...
Hydraulic fracturing is a technique to enhance hydrocarbon production by inducing fracture(s) into reservoir rock. A fracture is induced by injecting fluid into the reservoir at pressures greater than the formation breakdown pressure. The fracture(s) geometry, mode, initiation and propagation...