BEGIN:VCALENDAR VERSION:2.0 METHOD:PUBLISH PRODID:-//Tendenci - The Open Source AMS for Associations//Tendenci Codeba se MIMEDIR//EN BEGIN:VEVENT DESCRIPTION:--- This iCal file does *NOT* confirm registration.\r\nEvent d etails subject to change. ---\r\nhttps://www.spegcs.org/events/2114/\r\n\r \nEvent Title: Tech Lunch (Downtown): Integrated Geophysical Characterizat ion Resources\r\nStart Date / Time: Dec 02, 2012 11:00 AM America/Chicago\ r\nLocation: \r\nCost: Member, pre-registered $30\; Non-Member, pre-regi stered $40\r\n Emeritus, pre-registered $15\; Student pre-regist ered Free\;\r\n Walk-ups (not pre-registered 24 hours prior) add $10 to pre-registered prices\r\n\r\n\r\nUnconventional resources such as shale gas are becoming increasingly important exploration, development, a nd production targets. The variation in well performance observed betwee n various shale reservoirs and indeed within individual basins and on ind ividual pads, has served to dispel the myths regarding the perceived homo geneity of shale gas targets. With increased quantities of geological an d engineering data and more quantitative and deterministic analyses, it i s now clear that in order to ensure the economic success of shale gas pro duction we must understand the microscopic and mesoscale heterogeneity of the shale reservoirs. This can be advanced through interdisciplinary st udies that incorporate traditional and advanced geophysical data and meth ods with geological understanding and engineering measurements. This un derstanding is critical in field development, optimizing well placement, well spacing and length of horizontal wells, and the hydraulic fracturing effort needed to maximize recovery. Some of the key parameters are tota l organic content and porosity that control the resource density estimati on, and geomechanical properties that are related to the rock&rsquo\;s me chanical strength. These parameters and their lateral distributions are needed for areal and interval selection in order to optimize stimulation programs.\r\n \r\nAs the only remote sensing tool, geophysics plays a uniq ue role in the characterization of organic-rich shales through the estima tions of lateral and vertical variations of geological properties, includ ing but not limited to porosity, clay content (Vclay), and the total orga nic carbon (TOC), geomechanical properties (Young&rsquo\;s modulus and Po isson&rsquo\;s ratio), and stress (and natural fractures). It can help t o identify the most prospective zones for stimulation planning. It is cr itically important to establish a quantitative link between geological an d engineering parameters that may be obtained from seismic data by incor porating rock physics modeling. We use an improved anisotropic rock-phys ics model that includes TOC effects in addition to the effects of mineral ogy, porosity, and fluid content on seismic and electrical properties of organic-rich mudstone. The modeling results suggest that an increase in the organic content generally reduces P-impedance and Vp/Vs while increas ing the velocity anisotropy and resistivity. This general trend is furth er modified by the mineralogical composition (see the figure). These obs ervations form the basis for the application of seismic attributes to cha racterize resource density and producibility of unconventional resources. We use wireline log and seismic data from shale gas reservoirs to demon strate a workflow that may be used to map reservoir quality for unconvent ional resources.\r\n \r\nIn the end, &ldquo\;with unconventional resources , it&rsquo\;s all about the fractures&rdquo\; as is often claimed by reser voir engineers. There are three issues we need to deal with when talking about fractures:\r\n\r\n Mapping natural faults/fractures &ndash\; We want to know the spatial distribution, the scale (micro or macro), the density , and the relationship to the stress field.\r\n Identifying &ldquo\;fracca ble&rdquo\; intervals that can be easily fractured &ndash\; We want to kn ow the brittleness, the fraccability in terms of geomechanical properties , such as Young&rsquo\;s modulus, Poisson&rsquo\;s ratio, and stress fiel d.\r\n Monitoring of hydraulic fractures &ndash\; We want to know the leng th, height, and shape of the fractures.\r\n\r\nThis is also true for other types of unconventional resources such as tight sand and tight oil. Geop hysics plays the key role in addressing all these &ldquo\;fracture&rdquo\ ; issues. So there are abundant opportunities to apply geophysical tools to characterize unconventional resources.\r\n--- This iCal file does *NOT* confirm registration.Event details subject to change. ---\r\n\r\n--- By T endenci - The Open Source AMS for Associations ---\r\n UID:uid2114@spegcs.org SUMMARY:Tech Lunch (Downtown): Integrated Geophysical Characterization Resources DTSTART:20121202T170000Z DTEND:20121202T190000Z CLASS:PUBLIC PRIORITY:5 DTSTAMP:20240329T010140Z TRANSP:OPAQUE SEQUENCE:0 X-ALT-DESC;FMTTYPE=text/html:
This is also true for other types of unconventional resources such as tight sand and tight oil. Geop hysics plays the key role in addressing all these &ldquo\;fracture&rdquo\ ; issues. So there are abundant opportunities to apply geophysical tools to characterize unconventional resources.