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DATE: Wednesday, December 02, 2020
TIME: 04:45 PM - 05:45 PM
LOCATION:KAUST, WEBINAR VIA ZOOM
ZOOM WEBINAR PRESENTATION
Check your email for the Zoom registration link. Join the webinar using your full name in order to register your assistance.
Abstract: There are several key important physics that are involved with development of unconventional reservoirs. In the primary production phase, selection of proper proppant/fluid type, retaining a good fracture conductivity, and accurate fracture modeling are some important steps, in the modeling of “development plans”. Inclusion of “geomechanics” as an important piece of physics, at different scale and complexity, is an important step within the reservoir modeling workflow. Classical reservoir simulation approaches are sometimes not the optimum solution for the large-scale class of problems, due to their complexity and computational cost. Also, some of the input for the modeling workflows, are operationally expensive (such as core sampling, hard well data and acquiring extensive number of well logs).
Inclusion of geomechanics into reservoir simulation frameworks are computationally very expensive, however geomechanics is an important key factor for unconventional reservoir related processes , such as hydraulic fracture modeling and modeling of IOR/EOR processes in unconventional reservoirs, and most importantly for safe operations and avoiding of geohazards (i.e. induces seismicity). This presentation will illustrate an interactive framework that aims at using different approaches to facilitate numerical inclusion of geomechanics into larger scale reservoir modeling workflows. This includes development and use of numerical proxies, use of different simulation discretization schemes such as streamline class of simulators, and ultimately use of Artificial Intelligence and Probabilistic based techniques for reservoir modeling.
Biography: Behrooz Hosseini, PhD, is a Senior Reservoir Engineer, EOR Processes, in the Energy Division at SRC. He has an undergraduate degree in Petroleum Engineering and a masters of science in Reservoir Engineering and hydrodynamics from National Polytechnic Institute of Lorraine (School of Geology) in France as an international merit TOTAL E&P scholar where he was founder and president of SPE chapter in Lorraine. He holds a PhD in Petroleum Geomechanics and Geotechnical Engineering from the University of Alberta. At SRC, his work focuses primarily on research and engineering advancement of geomechanics of unconventional plays, with a secondary focus on advanced reservoir and geomechanics numerical simulation (finite element analysis and streamline simulation) and characterization with their particular application for unconventional resource play development. He has experience in induces seismicity and microseismicity with application in fault-reactivation due to hydraulic fracturing or salt-water disposal. Behrooz has more than 20 technical papers and has been an active member of SPE since 2004.
DATE: Thursday, December 03, 2020
TIME: 12:00 AM - 12:00 PM
TIME: 04:00 PM - 05:00 PM
Unconventional formations have become an increasingly important source of energy resources. Proper rock mechanic characterization is needed not only to identify the most promising areas for stimulation, but to increase our understanding of the sealing capabilities of cap-rock formations for carbon geological storage. However, shale assessment is challenging with current standard techniques. This research explores the index and rock mechanic properties of different shale specimens considered as source rocks for oil and gas (Eagle Ford, Wolfcamp, Jordanian, Mancos, Bakken, and Kimmeridge), and presents an in-depth analysis of tools and protocols to identify inherent biases. New test protocols proposed in this thesis provide robust and cost-effective measurement techniques to characterize unconventional formations; these include: 1) new energy methods to assess brittleness and brittle/ductile conditions in the field, 2) tensile strength analyses to determine anisotropy in unconventional formations, 3) Coda wave analysis to monitor pre-failure damage evolution during compression, and 4) a combination of index tests to anticipate complex characteristics, which include high-resolution imaging, hardness, and scratch tests. Experimental results combined with extensive databases provide unprecedented information related to the mechanical behavior of shale formations needed for the enhanced design and analysis of geo-engineering applications. Calcareous shales display strong interlayer bonding and lower compressive strength anisotropy than siliceous shales. Tensile strength anisotropy is more pronounced than in compressive strength and reflects bedding orientation and loading conditions that affect fracture propagation and ensuing failure surface topography.
DATE: Thursday, December 10, 2020
DATE: Tuesday, December 15, 2020
DATE: Friday, December 18, 2020
DATE: Wednesday, February 17, 2021
TIME: 04:15 PM - 05:15 PM