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3-D Cavern Enlargement Analyses
Three-dimensional finite element analyses simulate the mechanical response of enlarging existing caverns at the Strategic Petroleum Reserve (SPR). The caverns are located in Gulf Coast salt domes and are enlarged by leaching during oil drawdowns as fresh water is injected to displace the crude oil from the caverns. The current criteria adopted by the SPR limits cavern usage to 5 drawdowns (leaches). As a base case, 5 leaches were modeled over a 25 year period to roughly double the volume of a 19 cavern field. Thirteen additional leaches where then simulated until caverns approached coalescence. The cavern field approximated the geometries and geologic properties found at the West Hackberry site. This enabled comparisons are data collected over nearly 20 years to analysis predictions. The analyses closely predicted the measured surface subsidence and cavern closure rates as inferred from historic well head pressures. This provided the necessary assurance that the model displacements, strains, and stresses are accurate. However, the cavern field has not yet experienced the large scale drawdowns being simulated. Should they occur in the future, code predictions should be validated with actual field behavior at that time. The simulations were performed using JAS3D, a three dimensional finite element analysis …
Date:
March 1, 2002
Creator:
EHGARTNER, BRIAN L. & SOBOLIK, STEVEN R.
Object Type:
Report
System:
The UNT Digital Library
A 3-D SAR approach to IFSAR processing
Interferometric SAR (IFSAR) can be shown to be a special case of 3-D SAR image formation. In fact, traditional IFSAR processing results in the equivalent of merely a super-resolved, under-sampled, 3-D SAR image. However, when approached as a 3-D SAR problem, a number of IFSAR properties and anomalies are easily explained. For example, IFSAR decorrelation with height is merely ordinary migration in 3-D SAR. Consequently, treating IFSAR as a 3-D SAR problem allows insight and development of proper motion compensation techniques and image formation operations to facilitate optimal height estimation. Furthermore, multiple antenna phase centers and baselines are easily incorporated into this formulation, providing essentially a sparse array in the elevation dimension. This paper shows the Polar Format image formation algorithm extended to 3 dimensions, and then proceeds to apply it to the IFSAR collection geometry. This suggests a more optimal reordering of the traditional IFSAR processing steps.
Date:
March 1, 2000
Creator:
Doerry, Armin W. & Bickel, Doug L.
Object Type:
Article
System:
The UNT Digital Library
[24-Hour Film Feast with Malik Yoba]
Video footage from The Black Academy of Arts and Letters recorded during TBAALs 2008 24-Hour Filmfeast featuring actor Malik Yoba on March 1st. The footage features a live Q&A discussion with Yoba on his career and perspective on the industry.
Date:
March 1, 2008
Creator:
Yoba, Malik
Object Type:
Video
System:
The UNT Digital Library
300 Area VOC Program Slug Test Characterization Results for Selected Test/Depth Intervals for Wells 399-2-5, 399-3-22, and 399-4-14
Multiple, stress-level slug tests were performed at selected test/depth intervals within wells 399-2-5, 399-3-22, and 399-4-14 as part of the 300 Area volatile organic compound characterization program at the Hanford Site in Washington State. The temporary test screen lengths were characterized as the boreholes were advanced to their final drill depths and before their completion as monitor-well facilities. Following well completion, slug tests were performed in the final, completed well-screen sections. The objectives of the slug tests were to provide the vertical distribution of hydraulic conductivity with depth at these locations and to support selection of the final well screen-depth interval for each of these monitor-well facilities.
Date:
March 1, 2008
Creator:
Newcomer, Darrell R.
Object Type:
Report
System:
The UNT Digital Library
15th Street News (Midwest City, Okla.), Vol. 31, No. 19, Ed. 1 Friday, March 1, 2002
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
March 1, 2002
Creator:
Baldwin, Alisha
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
1996 Savannah River Site annual epidemiologic surveillance report
This report provides a summary of epidemiologic surveillance data collected from Savannah River Site from January 1, 1996 through December 31, 1996. The data were collected by a coordinator at Savannah River Site and submitted to the Epidemiologic Surveillance Data Center located at Oak Ridge Institute for Science and Education, where quality control procedures and preliminary data analyses were carried out. The analyses were interpreted and the final report prepared by the DOE Office of Epidemiologic Studies. The information in this report provides highlights of the data analyses conducted on the 1996 data collected from Savannah River Site. The main sections of the report include: work force characteristics; absences due to injury or illness lasting 5 or more consecutive workdays; workplace illnesses, injuries, and deaths that were reportable to the Occupational Safety and Health Administration (''OSHA-recordable'' events); and disabilities and deaths among current workers. The 1996 report includes a new section on time trends that provides comparative information on the health of the work force from 1994 through 1996.
Date:
March 1, 2000
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
1999 Accountability Report
A report including the United States Agency for International Development's financial statements and the inspector general's opinion on the statements, internal controls, and compliance with law and regulations. It also highlights the effectiveness of the Agency's programs in achieving U.S. foreign policy objectives.
Date:
March 1, 2000
Creator:
United States. Agency for International Development.
Object Type:
Report
System:
The UNT Digital Library
1999 Annual Report on Waste Generation and Pollution Prevention Progress as Required by DOE Order 5400.1
Hanford's missions are to safely clean-up and manage the site's legacy wastes, and to develop and deploy science and technology. Through these missions Hanford will contribute to economic diversification of the region. Hanford's environmental management or clean-up mission is to protect the health and safety of the public, workers, and the environment; control hazardous materials; and utilize the assets (people, infrastructure, and site) for other missions. Hanford's science and technology mission is to develop and deploy science and technology in the service of the nation including stewardship of the Hanford Site. Pollution Prevention is a key to the success of these missions by reducing the amount of waste to be managed and identifying/implementing cost effective waste reduction projects. Hanford's original mission, the production of nuclear materials for the nation's defense programs, lasted more than 40 years, and like most manufacturing operations, Hanford's operations generated large quantities of waste and pollution. However, the by-products from Hanford operations pose unique problems like radiation hazards, vast volumes of contaminated water and soil, and many contaminated structures including reactors, chemical plants and evaporation ponds. The clean-up activity is an immense and challenging undertaking. Including characterization and decommissioning of 149 single shell storage tanks, treating …
Date:
March 1, 2000
Creator:
SEGALL, P.
Object Type:
Report
System:
The UNT Digital Library
2003 Biology and Biotechnology Research Program Overview and Highlights
LLNL conducts multidisciplinary bioscience to fill national needs. Our primary roles are to: develop knowledge and tools which enhance national security, including biological, chemical and nuclear capabilities, and energy and environmental security; develop understanding of genetic and biochemical processes to enhance disease prevention, detection and treatment; develop unique biochemical measurement and computational modeling capabilities which enable understanding of biological processes; and develop technology and tools which enhance healthcare. We execute our roles through integrated multidisciplinary programs that apply our competencies in: microbial and mammalian genomics--the characterization of DNA, the genes it encodes, their regulation and function and their role in living systems; protein function and biochemistry - the structure, function, and interaction of proteins and other molecules involved in the integrated biochemical function of the processes of life; computational modeling and understanding of biochemical systems--the application of high-speed computing technology to simulate and visualize complex, integrated biological processes; bioinformatics--databasing, networking, and analysis of biological data; and bioinstrumentation--the application of physical and engineering technologies to novel biological and biochemical measurements, laboratory automation, medical device development, and healthcare technologies. We leverage the Laboratory's exceptional capabilities in the physical, computational, chemical, environmental and engineering sciences. We partner with industry and universities to utilize …
Date:
March 1, 2003
Creator:
Prange, C
Object Type:
Report
System:
The UNT Digital Library
2006 Annual Summary Report for the Area 3 and Area 5 Radioactive Waste Management Sites at the Nevada Test Site, Nye County, Nevada
The Maintenance Plan for the Performance Assessments and Composite Analyses for the Area 3 and Area 5 Radioactive Waste Management Sites at the Nevada Test Site (National Security Technologies, LLC, 2006) requires an annual review to assess the adequacy of the performance assessments (PAs) and composite analyses (CAs) for each of the facilities, with the results submitted as an annual summary report to the U.S. Department of Energy (DOE) Headquarters. The Disposal Authorization Statements for the Area 3 and Area 5 Radioactive Waste Management Sites (RWMSs) also require that such reviews be made and that secondary or minor unresolved issues be tracked and addressed as part of the maintenance plan (DOE, 2000; 2002). The DOE, National Nuclear Security Administration Nevada Site Office performed annual reviews in fiscal year (FY) 2006 by evaluating operational factors and research results that impact the continuing validity of the PAs and CAs results. This annual summary report presents data and conclusions from the FY 2006 review, and determines the adequacy of the PAs and CAs. Operational factors, such as the waste form and containers, facility design, waste receipts, and closure plans, as well as monitoring results and research and development (R&D) activities, were reviewed in …
Date:
March 1, 2007
Creator:
Gregory J, Shott, Vefa Yucel
Object Type:
Report
System:
The UNT Digital Library
2006 Pacific Northwest Loads and Resources Study.
The Pacific Northwest Loads and Resources Study (White Book), which is published annually by the Bonneville Power Administration (BPA), establishes one of the planning bases for supplying electricity to customers. The White Book contains projections of regional and Federal system load and resource capabilities, along with relevant definitions and explanations. The White Book also contains information obtained from formalized resource planning reports and data submittals including those from individual utilities, the Northwest Power and Conservation Council (Council), and the Pacific Northwest Utilities Conference Committee (PNUCC). The White Book is not an operational planning guide, nor is it used for determining BPA revenues, although the database that generates the data for the White Book analysis contributes to the development of BPA's inventory and ratemaking processes. Operation of the Federal Columbia River Power System (FCRPS) is based on a set of criteria different from that used for resource planning decisions. Operational planning is dependent upon real-time or near-term knowledge of system conditions that include expectations of river flows and runoff, market opportunities, availability of reservoir storage, energy exchanges, and other factors affecting the dynamics of operating a power system. The load resource balance of both the Federal system and the region is …
Date:
March 1, 2006
Creator:
United States. Bonneville Power Administration.
Object Type:
Report
System:
The UNT Digital Library
2006 Pacific Northwest Loads and Resources Study, Technical Appendix, Volume 1: Energy Analysis.
None
Date:
March 1, 2006
Creator:
United States. Bonneville Power Administration.
Object Type:
Report
System:
The UNT Digital Library
2006 Pacific Northwest Loads and Resources Study, Technical Appendix, Volume 2: Capacity Analysis.
None
Date:
March 1, 2006
Creator:
United States. Bonneville Power Administration.
Object Type:
Report
System:
The UNT Digital Library
2007 Status of Manufacturing: Polymer Electrolyte Membrane (PEM) Fuel Cells
In this document we assess the North American industry's current ability to manufacture polymer electrolyte membrane (PEM) fuel cells.
Date:
March 1, 2008
Creator:
Wheeler, D. & Sverdrup, G.
Object Type:
Report
System:
The UNT Digital Library
2008 Groundwater Monitoring Report Central Nevada Test Area, Corrective Action Unit 443
This report presents the 2008 groundwater monitoring results collected by the U.S. Department of Energy (DOE) Office of Legacy Management (LM) for the Central Nevada Test Area (CNTA) Subsurface Corrective Action Unit (CAU) 443. Responsibility for the environmental site restoration of the CNTA was transferred from the DOE Office of Environmental Management (DOE-EM) to DOE-LM on October 1, 2006. The environmental restoration process and corrective action strategy for CAU 443 are conducted in accordance with the Federal Facility Agreement and Consent Order (FFACO 2005) entered into by DOE, the U.S. Department of Defense, and the State of Nevada. The corrective action strategy for the site includes proof-of-concept monitoring in support of site closure. This report summarizes investigation activities associated with CAU 443 that were conducted at the site during fiscal year 2008. This is the second groundwater monitoring report prepared by DOE-LM for the CNTA.
Date:
March 1, 2009
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
2008 Groundwater Monitoring Report Project Shoal Area, Corrective Action Unit 447
This report presents the 2008 groundwater monitoring results collected by the U.S. Department of Energy (DOE) Office of Legacy Management (LM) at the Project Shoal Area (PSA) Subsurface Corrective Action Unit (CAU) 447 located in Churchill County, Nevada. Responsibility for the environmental site restoration of the PSA was transferred from the DOE Office of Environmental Management to LM on October 1, 2006. The environmental restoration process and corrective action strategy for CAU 447 are conducted in accordance with the Federal Facility Agreement and Consent Order (FFACO 1996, as amended February 2008) entered into by DOE, the U.S. Department of Defense, and the State of Nevada. The corrective action strategy for the site includes proof of concept monitoring in support of site closure. This report summarizes investigation activities associated with CAU 447 that were conducted at the site during 2008. This is the second groundwater monitoring report prepared by LM for the PSA
Date:
March 1, 2009
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
2010 Census: Planning and Testing Activities Are Making Progress
Testimony issued by the Government Accountability Office with an abstract that begins "Rigorous planning is key to a successful census as it helps ensure greater effectiveness and efficiency. The U.S. Census Bureau (Bureau) estimates the 2010 Census will cost around $11.3 billion, which would make it the most expensive census in our country's history, even after adjusting for inflation. GAO was asked to testify on (1) the Bureau's progress in preparing for the 2010 Census, (2) the challenges that Hurricanes Katrina and Rita might pose for the Bureau's future activities, and, (3) more broadly, the importance of planning for a range of events that could severely disrupt the census."
Date:
March 1, 2006
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
[38th Annual Greek Explosion]
Video of the 38th Annual Greek Explosion, a step show hosted by the University of North Texas in 2008.
Date:
March 1, 2008
Creator:
University of North Texas. Center for Media Production.
Object Type:
Video
System:
The UNT Digital Library
4th Annual DOE-ERSP PI Meeting: Abstracts
This contains abstracts from the 2009 Annual Environmental Remediation Sciences Program (ERSP) Principal Investigators (PI) Meeting. The ERSP seeks to advance fundamental science to understand, predict, and mitigate the impacts of environmental contamination from past nuclear weapons production and provide a scientific basis for the long-term stewardship of nuclear waste disposal. These ambitious goals cannot be achieved by any one project alone. Therefore, ERSP funds a combination of research programs at the DOE national laboratories, individual projects at universities and federal agencies, and large long(er)-term field site research. Integration of these activities to advance the ERSP goals is a constant challenge, but made significantly simpler by bringing together all funded ERSP researchers once a year to discuss the very latest research results. It is at these meetings where new ideas and/or scientific advancements in support of ERSP goals can be discussed and openly debated among all PIs in the program. The ERSP thrives, in part, on the new ideas, concepts, scientific connections, and collaborations generated as a result of these meetings. The annual PI Meeting is very much a working meeting with three major goals: (1) to provide opportunities for scientific interaction among the ERSP scientists, a critical element for …
Date:
March 1, 2009
Creator:
Hazen, Terry C.
Object Type:
Report
System:
The UNT Digital Library
79th Texas Legislature, Regular Session, House Concurrent Resolution 50
Concurrent resolution introduced by the Texas House of Representatives and Senate honoring Leadership Kerr County on its 20th anniversary.
Date:
March 1, 2005
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
79th Texas Legislature, Regular Session, House Concurrent Resolution 51
Concurrent resolution introduced by the Texas House of Representatives and Senate designating February 15 as Midland-Odessa Day at the State Capitol.
Date:
March 1, 2005
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
79th Texas Legislature, Regular Session, House Concurrent Resolution 52
Concurrent resolution introduced by the Texas House of Representatives and Senate welcoming Marc Ravalomanana, President of the Republic of Madagascar, to the Texas State Capitol.
Date:
March 1, 2005
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
79th Texas Legislature, Regular Session, House Concurrent Resolution 57
Concurrent resolution introduced by the Texas House of Representatives and Senate recognizing the Honorable Alphonso Jackson, Secretary of the U.S. Department of Housing and Urban Development, for his invaluable contributions to the people of this state and nation.
Date:
March 1, 2005
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
79th Texas Legislature, Regular Session, House Concurrent Resolution 58
Concurrent resolution introduced by the Texas House of Representatives and Senate recognizing February 15, 2005, as Tarrant County Day at the State Capitol.
Date:
March 1, 2005
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History