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Geomechanics of Reservoir Stimulation by Hydraulic Fracturing Short Course
DETAILS AND DESCRIPTION
Grand Forks, ND
September 21, 2018
Details and Description
Fees increase by 10% on Tuesday, September 18, 2018.
8:30 am - 4:30 pm
Stimulation or treatment of reservoirs (or rock mass) by fluid injection is used in different industries. Hydraulic fracturing was first used in the oil and gas industry in conventional reservoirs in 1949. Multi-stage fracturing from horizontal wells was one of the main technological advances that started the shale "revolution" twenty years ago. There are vast resources of geothermal energy in low-porosity crystalline rocks at depths down to 10 km. That energy can be economically extracted only after stimulation of the reservoirs by fluid injection or through the creation of enhanced (or engineered) geothermal systems (EGS). Hydraulic fracturing is used by the mining industry to precondition a rock mass to improve its caveability during block caving mining operations and/or to reduce the seismic hazard in highly stressed areas. Despite the importance of hydraulic fracturing and all technological advances, design of hydraulic fracturing is mainly by trial and error.
The state-of-the-art numerical models are physics-based. They can simulate all relevant processes, such as deformation and damage of rock, fluid and heat transport, and how these processes interact (are coupled) with one another. In addition, they allow realistic representation of reservoirs as naturally fractured media, with explicit representation of the discontinuities. Such models provide a promise that design of hydraulic fracturing can be optimized by using the field data in realistic, physics-based models. An important component of the modeling-design-monitoring loop is microseismic data. These data can be better interpreted using the models, but they can also be used to calibrate the models to increase confidence in their predictions. Some of these modeling tools, based on the Distinct Element Method (DEM) like UDEC, 3DEC and XSite, will be briefly described in the workshop and their application to actual projects will be presented and discussed.
Inquiries:Vamegh Rasouli, Ph.D.
Department Chair and Continental Resources Distinguished Professor
Department of Petroleum Engineering
College of Engineering & Mines
University of North Dakota T. 701-335-3601
Branko Damjanac (Principal Engineer)
Dr. Damjanac has experience in the design and analysis of underground excavations for oil storage and waste isolation. He has been involved in stability analyses of mines in both hard and soft rock and has developed a 3D model to simulate the coupled hydro-mechanical response of a fluid-saturated rock mass. Dr. Damjanac has been involved in development of models for numerical simulation of near- and far-field effects of underground nuclear explosions.
Who Should Attend?
Students and professionals interested in advanced numerical simulation of hydraulic fracturing for oil & gas and geothermal energy and rock mass pre-conditioning for mining.
What to Bring?
Nothing is required.
Room: Leonard 112
Harold Hamm School of Geology and Geological Engineering
101 Leonard Hall
University of North Dakota
81 Cornell St - Stop 8358
Grand Forks, ND 58202-8358United States