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Arctic Energy Technology Development Laboratory (Part 2)
Methane (CH{sub 4}) in natural gas is a major energy source in the U.S., and is used extensively on Alaska's North Slope, including the oilfields in Prudhoe Bay, the community of Barrow, and the National Petroleum Reserve, Alaska (NPRA). Smaller villages, however, are dependent on imported diesel fuel for both power and heating, resulting in some of the highest energy costs in the U.S. and crippling local economies. Numerous CH{sub 4} gas seeps have been observed on wetlands near Atqasuk, Alaska (in the NPRA), and initial measurements have indicated flow rates of 3,000-5,000 ft{sup 3} day{sup -1} (60-100 kg CH{sub 4} day{sup -1}). Gas samples collected in 1996 indicated biogenic origin, although more recent sampling indicated a mixture of biogenic and thermogenic gas. In this study, we (1) quantified the amount of CH{sub 4} generated by several seeps and evaluated their potential use as an unconventional gas source for the village of Atqasuk; (2) collected gas and analyzed its composition from multiple seeps several miles apart to see if the source is the same, or if gas is being generated locally from isolated biogenic sources; and (3) assessed the potential magnitude of natural CH{sub 4} gas seeps for future use …
Date:
December 31, 2008
Creator:
960443, See OSTI ID Number
Object Type:
Report
System:
The UNT Digital Library
Arctic Energy Technology Development Laboratory (Part 3)
Various laboratory tests were carried at the R & D facility of BJ Services in Tomball, TX with BJ Services staff to predict and evaluate the performance of the Ceramicrete slurry for its effective use in permafrost cementing operations. Although other standards such as those of the American Standard for Testing Materials (ASTM) and Construction Specification Institute (CSI) exist, all these tests were standardized by the API. A summary of the tests traditionally used in the cement slurry design as well as the API tests reference document are provided in Table 7. All of these tests were performed within the scope of this research to evaluate properties of the Ceramicrete.
Date:
December 31, 2008
Creator:
960443, See OSTI ID Number
Object Type:
Report
System:
The UNT Digital Library
Archaeological Survey of the Proposed Weatherford 12-Inch Sewer Pipeline Route, Parker County, Texas
Results of field and archaeological investigations along with recommendations concerning proposed sewer pipeline.
Date:
2008
Creator:
AR Consultants
Object Type:
Report
System:
The Portal to Texas History
[Abilene City Ordinances: 2008]
Ledger containing ordinances passed by the city of Abilene, Texas during calendar year 2008.
Date:
2008
Creator:
Abilene (Tex.)
Object Type:
Legal Document
System:
The Portal to Texas History
Prickly Pear, Yearbook of Abilene Christian University, 2008
Yearbook for Abilene Christian University in Abilene, Texas includes photos of and information about the school, student body, professors, and organizations. Index starts on page [245].
Date:
2008
Creator:
Abilene Christian University
Object Type:
Yearbook
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 26, No. 1, Ed. 1 Thursday, January 3, 2008
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
January 3, 2008
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 26, No. 5, Ed. 1 Thursday, January 31, 2008
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
January 31, 2008
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 26, No. 21, Ed. 1 Thursday, May 22, 2008
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
May 22, 2008
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 26, No. 22, Ed. 1 Thursday, May 29, 2008
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
May 29, 2008
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 26, No. 23, Ed. 1 Thursday, June 5, 2008
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
June 5, 2008
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 26, No. 24, Ed. 1 Thursday, June 12, 2008
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
June 12, 2008
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 26, No. 25, Ed. 1 Thursday, June 19, 2008
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
June 19, 2008
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 26, No. 26, Ed. 1 Thursday, June 26, 2008
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
June 26, 2008
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 26, No. 27, Ed. 1 Thursday, July 3, 2008
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
July 3, 2008
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
The Hexagon, Volume 99, Number 3, Fall 2008
Quarterly publication of the Alpha Chi Sigma chemistry fraternity containing articles related to chemistry research and the activities of the organization, including local chapters and groups.
Date:
Autumn 2008
Creator:
Alpha Chi Sigma
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Developments in Oil Shale
None
Date:
November 17, 2008
Creator:
Andrews, Anthony
Object Type:
Report
System:
The UNT Digital Library
MRS Bulletin April 2008 Volume 33 No. 4 Harnessing Materials for Energy
The MRS Bulletin special expanded issue, “Harnessing Materials for Energy,” focuses on the most important materials research challenges that need to be addressed to move toward secure, affordable, and environmentally sustainable energy to meet the world’s accelerating energy needs. The issue follows the full energy chain including production, storage, distribution, use, and efficiency. The articles are designed to present an objective and global view of the energy challenges within each energy sector and the promising transformational materials research directions for meeting these challenges as far into the future as is scientifically feasible to consider (targeting 10-, 25-, and 50-year outlooks). This issue was launched at the 2008 MRS Spring Meeting with an Energy Forum featuring presentations by leading experts in the field.
Date:
April 1, 2008
Creator:
Arunachalam, V. S. & Fleischer, Elizabeth L.
Object Type:
Article
System:
The UNT Digital Library
Microaspiration for high-pressure freezing: a new method for ultrastructural preservation of fragile and sparse tissues for TEM and electron tomography
High-pressure freezing is the preferred method to prepare thick biological specimens for ultrastructural studies. However, the advantages obtained by this method often prove unattainable for samples that are difficult to handle during the freezing and substitution protocols. Delicate and sparse samples are difficult to manipulate and maintain intact throughout the sequence of freezing, infiltration, embedding, and final orientation for sectioning and subsequent TEM imaging. An established approach to surmount these difficulties is the use of cellulose microdialysis tubing to transport the sample. With an inner diameter of 200 micrometers, the tubing protects small and fragile samples within the thickness constraints of high-pressure freezing, and the tube ends can be sealed to avoid loss of sample. Importantly, the transparency of the tubing allows optical study of the specimen at different steps in the process. Here, we describe the use of a micromanipulator and microinjection apparatus to handle and position delicate specimens within the tubing. We report two biologically significant examples that benefit from this approach, 3D cultures of mammary epithelial cells and cochlear outer hair cells. We illustrate the potential for correlative light and electron microscopy as well as electron tomography.
Date:
February 13, 2008
Creator:
Auer, Manfred; Triffo, W. J.; Palsdottir, H.; McDonald, K. L.; Inman, J. L.; Bissell, M. J. et al.
Object Type:
Article
System:
The UNT Digital Library
History of the Offshore Oil and Gas Industry in Southern Louisiana
A report detailing the history of the offshore petroleum industry in Southern Louisiana, including accounts from people who were present.
Date:
September 2008
Creator:
Austin, Diane E.
Object Type:
Text
System:
The UNT Digital Library
History of the Offshore Oil and Gas Industry in Southern Louisiana
A report detailing the history of the offshore oil and gas industry in Southern Louisiana, including a compilation of photographs, diagrams, and other visual images that were collected during the study.
Date:
September 2008
Creator:
Austin, Diane E. & Gaines, Justin
Object Type:
Text
System:
The UNT Digital Library
History of the Offshore Oil and Gas Industry in Southern Louisiana, Volume 1: Papers on the Evolving Offshore Industry
This study examines the expansion of offshore oil and gas development and its effects on shaping Louisiana's culture, geography, society and economy.
Date:
September 2008
Creator:
Austin, Diane; Priest, Tyler; Penney, Lauren; Pratt, Joseph; Pulsipher, Allan G. & Abel, Joseph
Object Type:
Text
System:
The UNT Digital Library
Advanced Polymer Technology for Containing and Immobilizing Strontium-90 in the Subsurface - 8361
Many Department of Energy (DOE) sites, including Idaho and Hanford, have heavy metals and/or radionuclides (e.g. strontium-90) present that are strongly adsorbed in the vadose zone, but which nevertheless are propagating toward the water table. A key challenge for immobilization of these contaminants is bringing the chosen amendment or remediation technology into contact with the contaminated porous medium, while ensuring that contaminated water and colloids do not escape. This is particularly challenging when the subsurface geology is complex and highly heterogeneous, as is the case at many DOE sites. The Idaho National Laboratory (INL) in collaboration with the University of Texas at Austin (UT) has conducted research sponsored through the DOE Office of Environmental Management (EM) Advanced Remediation Technologies Phase I program that successfully demonstrated application of a novel, pH-triggered advanced polymer for creating a physical barrier that prevents heavy metals and radionuclides in vadose zone soil and soil-pore water from migrating to the groundwater. The focus of this paper is on the column and sandbox experiments conducted by researchers at the Idaho National Laboratory in support of the Phase I program objectives. Proof of these concepts provides a technology basis for confining or isolating a volume of contaminated groundwater, …
Date:
February 1, 2008
Creator:
Baker, K.; Heath, G.; Scott, C.; Schafer, A.; Bryant, S.; Sharma, M. et al.
Object Type:
Article
System:
The UNT Digital Library
Technology on In-Situ Gas Generation to Recover Residual Oil Reserves
This final technical report covers the period October 1, 1995 to February 29, 2008. This chapter begins with an overview of the history of Enhanced Oil Recovery techniques and specifically, CO2 flood. Subsequent chapters conform to the manner consistent with the Activities, Tasks, and Sub-tasks of the project as originally provided in Exhibit C1 in the Project Management Plan dated September 20, 1995. These chapters summarize the objectives, status and conclusions of the major project activities performed during the project period. The report concludes by describing technology transfer activities stemming from the project and providing a reference list of all publications of original research work generated by the project team or by others regarding this project. The overall objective of this project was a final research and development in the United States a technology that was developed at the Institute for Geology and Development of Fossil Fuels in Moscow, Russia. Before the technology can be convincingly adopted by United States oil and gas producers, the laboratory research was conducted at Mew Mexico Institute of Mining and Technology. The experimental studies were conducted to measure the volume and the pressure of the CO{sub 2} gas generated according to the new Russian …
Date:
February 29, 2008
Creator:
Bakhtiyarov, Sayavur
Object Type:
Report
System:
The UNT Digital Library
In Situ Microbial Community Control of the Stability of Bio-reduced Uranium
In aerobic aquifers typical of many Department of Energy (DOE) legacy waste sites, uranium is present in the oxidized U(VI) form which is more soluble and thus more mobile. Field experiments at the Old Rifle UMTRA site have demonstrated that biostimulation by electron donor addition (acetate) promotes biological U(VI) reduction (2). However, U(VI) reduction is reversible and oxidative dissolution of precipitated U(IV) after the cessation of electron donor addition remains a critical issue for the application of biostimulation as a treatment technology. Despite the potential for oxidative dissolution, field experiments at the Old Rifle site have shown that rapid reoxidation of bio-reduced uranium does not occur and U(VI) concentrations can remain at approximately 20% of background levels for more than one year. The extent of post-amendment U(VI) removal and the maintenance of bioreduced uranium may result from many factors including U(VI) sorption to iron-containing mineral phases, generation of H2S or FeS0.9, or the preferential sorption of U(VI) by microbial cells or biopolymers, but the processes controlling the reduction and in situ reoxidation rates are not known. To investigate the role of microbial community composition in the maintenance of bioreduced uranium, in-well sediment incubators (ISIs) were developed allowing field deployment of …
Date:
March 28, 2008
Creator:
Baldwin, Brett, R.; Peacock, Aaron, D.; Resch, Charles, T.; Arntzen, Evan; Smithgall, Amanda, N.; Pfiffner, Susan et al.
Object Type:
Report
System:
The UNT Digital Library