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4-D High-Resolution Seismic Reflection Monitoring of Miscible CO2 Injected into a Carbonate Reservoir
The objective of this research project is to acquire, process, and interpret multiple high-resolution 3-D compressional wave and 2-D, 2-C shear wave seismic data in an attempt to observe changes in fluid characteristics in an oil field before, during, and after the miscible carbon dioxide (CO{sub 2}) flood that began around December 1, 2003, as part of the DOE-sponsored Class Revisit Project (DOE DE-AC26-00BC15124). Unique and key to this imaging activity is the high-resolution nature of the seismic data, minimal deployment design, and the temporal sampling throughout the flood. The 900-m-deep test reservoir is located in central Kansas oomoldic limestones of the Lansing-Kansas City Group, deposited on a shallow marine shelf in Pennsylvanian time. After 30 months of seismic monitoring, one baseline and eight monitor surveys clearly detected changes that appear consistent with movement of CO{sub 2} as modeled with fluid simulators and observed in production data.
Date:
August 31, 2006
Creator:
Miller, Richard D.; Raef, Abdelmoneam E.; Byrnes, Alan P. & Harrison, William E.
Object Type:
Report
System:
The UNT Digital Library
Abandoned Mine Reclamation Fee on Coal
This report summarizes the problems that surround the Abandoned Mine Reclamation Fund or Abandoned Mine Land (AML) Fund. This report also includes information on the history of the fund and fees, such as congress extending the fees it imposes six times. Nevertheless, one of the central problems in the report is extending the fees further.
Date:
August 31, 2006
Creator:
Bamberger, Robert L.
Object Type:
Report
System:
The UNT Digital Library
Access to Broadband Networks
From Summary: "This report analyzes these three components to identify the parameters that network providers have within their control (such as their choices about network architecture, overall bandwidth capacity, bandwidth reserved for their own use, traffic prioritization, the terms and rates for access to their networks and for their own use, traffic prioritization, the terms and rates for access to their networks and for their retail services) that can affect how end users and independent applications providers can access their networks, how those parameters might be used strategically to harm competition for, and consumers of, voice over internet protocol (VOIP), video, and other applications that ride over broadband networks."
Date:
August 31, 2006
Creator:
Goldfarb, Charles B.
Object Type:
Report
System:
The UNT Digital Library
Adequate Yearly Progress (AYP): Implementation of the No Child Left Behind Act
This report is intended to provide an overview of the Adequate Yearly Process (AYP) concept and several related issues, a description of the AYP provisions of the No Child Left Behind Act, and an analysis of the implementation of these provisions by the U.S. Department of Education (ED) and the states. It will be updated when major administrative actions are taken by ED, or substantial new data on state implementation become available.
Date:
August 31, 2006
Creator:
Riddle, Wayne C.
Object Type:
Report
System:
The UNT Digital Library
Advanced Gasification By-Product Utilization
With the passing of legislation designed to permanently cap and reduce mercury emissions from coal-fired utilities, it is more important than ever to develop and improve upon methods of controlling mercury emissions. One promising technique is carbon sorbent injection into the flue gas of the coal-fired power plant. Currently, this technology is very expensive as costly commercially activated carbons are used as sorbents. There is also a significant lack of understanding of the interaction between mercury vapor and the carbon sorbent, which adds to the difficulty of predicting the amount of sorbent needed for specific plant configurations. Due to its inherent porosity and adsorption properties as well as on-site availability, carbons derived from gasifiers are potential mercury sorbent candidates. Furthermore, because of the increasing restricted use of landfilling, the coal industry is very interested in finding uses for these materials as an alternative to the current disposal practice. The results of laboratory investigations and supporting technical assessments conducted under DOE Subcontract No. DE-FG26-03NT41795 are reported. This contract was with the University of Kentucky Research Foundation, which supports work with the University of Kentucky Center for Applied Energy Research and The Pennsylvania State University Energy Institute. The worked described was part …
Date:
August 31, 2006
Creator:
Andrews, Rodney; Rubel, Aurora; Groppo, Jack; Marrs, Brock; Geertsema, Ari; Huggins, Frank et al.
Object Type:
Report
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 131, No. 14, Ed. 1 Thursday, August 31, 2006
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
August 31, 2006
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
Altus Times (Altus, Okla.), Vol. 108, No. 131, Ed. 1 Thursday, August 31, 2006
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 31, 2006
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Archer County Advocate (Holliday, Tex.), Vol. 4, No. 21, Ed. 1 Thursday, August 31, 2006
Weekly newspaper from Holliday, Texas that includes local, state, and national news along with advertising.
Date:
August 31, 2006
Creator:
Stevens, Charlotte
Object Type:
Newspaper
System:
The Portal to Texas History
Armenia, Azerbaijan, and Georgia: Political Developments and Implications for U.S. Interests
The United States recognized the independence of all the former Soviet republics by the end of 1991, including the South Caucasus states of Armenia, Azerbaijan, and Georgia. The United States has fostered these states' ties with the West in part to end the dependence of these states on Russia for trade, security, and other relations. The United States has pursued close ties with Armenia to encourage its democratization and because of concerns by Armenian-Americans and others over its fate. Close ties with Georgia have evolved from U.S. contacts with its pro-Western leadership. The Bush Administration supports U.s. private investment in Azerbaijan's energy sector as a means of increasing the diversity of world energy suppliers and to encourage building multiple energy pipelines to world markets.
Date:
August 31, 2006
Creator:
Nichol, Jim
Object Type:
Report
System:
The UNT Digital Library
Armenia, Azerbaijan, and Georgia: Political Developments and Implications for U.S. Interests
The United States recognized the independence of all the former Soviet republics by the end of 1991, including the South Caucasus states of Armenia, Azerbaijan, and Georgia. The United States has fostered these states' ties with the West in part to end the dependence of these states on Russia for trade, security, and other relations. The FREEDOM Support Act of 1992 provides authorization for assistance to the Eurasian states for humanitarian needs, democratization, and other purposes. In the aftermath of the September 11, 2001, terrorist attacks on the United States, the Administration appealed for a national security waiver of the prohibition on aid to Azerbaijan, in consideration of Azerbaijan's assistance to the international coalition to combat terrorism. Azerbaijani and Georgian troops participate in stabilization efforts in Afghanistan and Iraq, and Armenian personnel serve in Iraq.
Date:
August 31, 2006
Creator:
Nichol, Jim
Object Type:
Report
System:
The UNT Digital Library
Armenia, Azerbaijan, and Georgia: Political Developments and Implications for U.S. Interests
The United States recognized the independence of all the former Soviet republics by the end of 1991, including the South Caucasus states of Armenia, Azerbaijan, and Georgia. The United States has fostered these states' ties with the West in part to end the dependence of these states on Russia for trade, security, and other relations. The FREEDOM Support Act of 1992 provides authorization for assistance to the Eurasian states for humanitarian needs, democratization, and other purposes. In the aftermath of the September 11, 2001, terrorist attacks on the United States, the Administration appealed for a national security waiver of the prohibition on aid to Azerbaijan, in consideration of Azerbaijan's assistance to the international coalition to combat terrorism. Azerbaijani and Georgian troops participate in stabilization efforts in Afghanistan and Iraq, and Armenian personnel serve in Iraq.
Date:
August 31, 2006
Creator:
Nichol, Jim
Object Type:
Report
System:
The UNT Digital Library
The Baytown Sun (Baytown, Tex.), Vol. 85, No. 281, Ed. 1 Thursday, August 31, 2006
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
August 31, 2006
Creator:
Clements, Clifford E.
Object Type:
Newspaper
System:
The Portal to Texas History
The Canadian Record (Canadian, Tex.), Vol. 116, No. 35, Ed. 1 Thursday, August 31, 2006
Weekly newspaper from Canadian, Texas that includes local, state and national news along with some advertising.
Date:
August 31, 2006
Creator:
Brown, Laurie Ezzell
Object Type:
Newspaper
System:
The Portal to Texas History
CO2 Sequestration Potential of Texas Low-Rank Coals
Injection of CO{sub 2} in coalbeds is a plausible method of reducing atmospheric emissions of CO{sub 2}, and it can have the additional benefit of enhancing methane recovery from coal. Most previous studies have evaluated the merits of CO{sub 2} disposal in high-rank coals. The objective of this research was to determine the technical and economic feasibility of CO{sub 2} sequestration in, and enhanced coalbed methane (ECBM) recovery from, low-rank coals in the Texas Gulf Coast area. Our research included an extensive coal characterization program, including acquisition and analysis of coal core samples and well transient test data. We conducted deterministic and probabilistic reservoir simulation and economic studies to evaluate the effects of injectant fluid composition (pure CO{sub 2} and flue gas), well spacing, injection rate, and dewatering on CO{sub 2} sequestration and ECBM recovery in low-rank coals of the Calvert Bluff formation of the Texas Wilcox Group. Shallow and deep Calvert Bluff coals occur in two, distinct, coalbed gas petroleum systems that are separated by a transition zone. Calvert Bluff coals < 3,500 ft deep are part of a biogenic coalbed gas system. They have low gas content and are part of a freshwater aquifer. In contrast, Wilcox coals …
Date:
August 31, 2006
Creator:
McVay, Duane; Walter Ayers, Jr.; Jensen, Jerry; Garduno, Jorge; Hernandez, Gonzola; Bello, Rasheed et al.
Object Type:
Report
System:
The UNT Digital Library
Comanche Chief (Comanche, Tex.), No. 18, Ed. 1 Thursday, August 31, 2006
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
August 31, 2006
Creator:
Wilkerson, James C., III
Object Type:
Newspaper
System:
The Portal to Texas History
Crustal Structure of Iraq from Receiver Functions and Surface Wave Dispersion
We report the crustal structure of Iraq, located in the northeastern Arabian plate, estimated by joint inversion of P-wave receiver functions and surface wave group velocity dispersion. Receiver functions were computed from teleseismic recordings at two temporary broadband seismic stations in Mosul (MSL) and Baghdad (BHD), separated by approximately 360 km. Group velocity dispersion curves at the sites were derived from continental-scale tomography of Pasyanos (2006). The inversion results show that the crustal thicknesses are 39 km at MSL and 43 km at BHD. Both sites reveal low velocity surface layers consistent with sedimentary thickness of about 3 km at station MSL and 7 km at BHD, agreeing well with the existing models. Ignoring the sediments, the crustal velocities and thicknesses are remarkably similar between the two stations, suggesting that the crustal structure of the proto-Arabian Platform in northern Iraq was uniform before subsidence and deposition of the sediments in the Cenozoic. Deeper low velocity sediments at BHD are expected to result in higher ground motions for earthquakes.
Date:
August 31, 2006
Creator:
Gok, Rengin; Mahdi, Hanan; Al-Shukri, Haydar & Rodgers, Arthur J.
Object Type:
Report
System:
The UNT Digital Library
Cuba: Issues for the 109th Congress
Since the early 1960s, U.S. policy toward Cuba under Fidel Castro has consisted largely of isolating the communist nation through comprehensive economic sanctions, which have been significantly tightened by the Bush Administration. Another component of U.S. policy consists of support measures for the Cuban people, including private humanitarian donations and U.S.-sponsored radio and television broadcasting to Cuba. There are several schools of thought on how to achieve the objective of bringing democracy and respect for human rights to Cuba: some advocate maximum pressure on Cuba until reforms are enacted; others argue for lifting some U.S. sanctions judged to be hurting the Cuban people; and still others call for a swift normalization of U.S.-Cuban relations.
Date:
August 31, 2006
Creator:
Sullivan, Mark P.
Object Type:
Report
System:
The UNT Digital Library
Cuba: Issues for the 109th Congress
This report, which will be updated regularly, examines issues in U.S.-Cuban relations and tracks legislative initiatives on Cuba in the 109th Congress. The 109th Congress will likely continue an active interest in Cuba concerning human rights, debate over economic sanctions (especially on travel), food and agricultural exports to Cuba, terrorism issues, Radio and TV Marti, bilateral anti-drug cooperation, and migration issues.
Date:
August 31, 2006
Creator:
Sullivan, Mark P.
Object Type:
Report
System:
The UNT Digital Library
Cuba: Issues for the 109th Congress
This report, which will be updated regularly, examines issues in U.S.-Cuban relations and tracks legislative initiatives on Cuba in the 109th Congress. The 109th Congress will likely continue an active interest in Cuba concerning human rights, debate over economic sanctions (especially on travel), food and agricultural exports to Cuba, terrorism issues, Radio and TV Marti, bilateral anti-drug cooperation, and migration issues.
Date:
August 31, 2006
Creator:
Sullivan, Mark P.
Object Type:
Report
System:
The UNT Digital Library
DART previews managed HOV lane project at open house
News release about an open house at which DART and Texas Department of Transportation representatives will present information and take questions about the planned expansion of DART's HOV lanes and the opening up of those lanes to drivers who pay for access.
Date:
August 31, 2006
Creator:
Lyons, Morgan
Object Type:
Text
System:
The Portal to Texas History
DART to Demolish SH 78 Bridge
News release about road and lane closures during the demolition of a State Highway 78 bridge.
Date:
August 31, 2006
Creator:
Lyons, Morgan
Object Type:
Text
System:
The Portal to Texas History
Development of Sulfur and Carbon Tolerant Reforming Alloy Catalysts Aided by Fundamental Atomistics Insights
Current hydrocarbon reforming catalysts suffer from rapid carbon and sulfur poisoning. Even though there is a tremendous incentive to develop more efficient catalysts, these materials are currently formulated using inefficient trial and error experimental approaches. We have utilized a novel hybrid experimental/theoretical approach, combining quantum Density Functional Theory (DFT) calculations and various state-of-the-art experimental tools, to formulate carbon tolerant reforming catalysts. We have employed DFT calculations to develop molecular insights into the elementary chemical transformations that lead to carbon poisoning of Ni catalysts. Based on the obtained molecular insights, we have identified, using DFT quantum calculation, Sn/Ni alloy as a potential carbon tolerant reforming catalyst. Sn/Ni alloy was synthesized and tested in steam reforming of methane, propane, and isooctane. We demonstrated that the alloy catalyst is carbon-tolerant under nearly stoichiometric steam-to-carbon ratios. Under these conditions, monometallic Ni is rapidly poisoned by sp2 carbon deposits. The research approach is distinguished by a few characteristics: (a) Knowledge-based, bottom-up approach, compared to the traditional trial and error approach, allows for a more efficient and systematic discovery of improved catalysts. (b) The focus is on exploring alloy materials which have been largely unexplored as potential reforming catalysts.
Date:
August 31, 2006
Creator:
Linic, Suljo
Object Type:
Report
System:
The UNT Digital Library
The Dublin Citizen (Dublin, Tex.), Vol. 16, No. 53, Ed. 1 Thursday, August 31, 2006
Weekly newspaper from Dublin, Texas that includes local, state, and national news along with advertising.
Date:
August 31, 2006
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Electra Star-News (Electra, Tex.), Vol. 100, No. 3, Ed. 1 Thursday, August 31, 2006
Weekly newspaper from Electra, Texas that includes local, state, and national news along with advertising.
Date:
August 31, 2006
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History