27 Matching Results

Search Results

Results: 1 - 24 next
open access

Geologic investigation of Playa Lakes, Tonopah Test Range, Nevada : data report.

Description: Subsurface geological investigations have been conducted at two large playa lakes at the Tonopah Test Range in central Nevada. These characterization activities were intended to provide basic stratigraphic-framework information regarding the lateral distribution of ''hard'' and ''soft'' sedimentary materials for use in defining suitable target regions for penetration testing. Both downhole geophysical measurements and macroscopic lithilogic descriptions were used as a surrogate for quantitative… more
Date: December 1, 2004
Creator: Rautman, Christopher Arthur
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

FINAL CLOSURE PLAN SURFACE IMPOUNDMENTS CLOSURE, SITE 300

Description: Lawrence Livermore National Laboratory of the University of California (LLNL) operates two Class II surface impoundments that store wastewater that is discharged from a number of buildings located on the Site 300 Facility (Site 300). The wastewater is the by-product of explosives processing. Reduction in the volume of water discharged from these buildings over the past several years has significantly reduced the wastewater storage needs. In addition, the impoundments were constructed in 1984, a… more
Date: September 29, 2004
Creator: Lane, J E; Scott, J E & Mathews, S E
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Final Phase II Report : QuickSite{reg_sign} investigation, Centralia, Kansas.

Description: The Commodity Credit Corporation (CCC), an agency of the U.S. Department of Agriculture (USDA), formerly operated a grain storage facility approximately 1,100 ft north of Centralia from 1949 until 1971. Subsequently, a concrete mixing plant operated on the site (FSA 1997). None of the CCC/USDA structures remain, though belowgrade foundations related to structures associated with the concrete mixing operations are evident. Two additional grain storage facilities currently exist in and near Centr… more
Date: April 1, 2004
Creator: LaFreniere, L. (Environmental Research)
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Combined Estimation of Hydrogeologic Conceptual Model and Parameter Uncertainty

Description: The objective of the research described in this report is the development and application of a methodology for comprehensively assessing the hydrogeologic uncertainties involved in dose assessment, including uncertainties associated with conceptual models, parameters, and scenarios. This report describes and applies a statistical method to quantitatively estimate the combined uncertainty in model predictions arising from conceptual model and parameter uncertainties. The method relies on model a… more
Date: March 1, 2004
Creator: Meyer, Philip D.; Ye, Ming; Neuman, Shlomo P. & Cantrell, Kirk J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Sampling and Hydrogeology of the Vadose Zone Beneath the 300 Area Process Ponds

Description: Four open pits were dug with a backhoe into the vadose zone beneath the former 300 Area Process Ponds in April 2003. Samples were collected about every 2 feet for physical, chemical, and/or microbiological characterization. This reports presents a stratigraphic and geohydrologic summary of the four excavations.
Date: August 31, 2004
Creator: Bjornstad, Bruce N.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Northern Cheyenne Reservation Coal Bed Natural Resource Assessment and Analysis of Produced Water Disposal Options

Description: Coalbed methane (CBM) development in the Powder River Basin (PRB) is currently one of the most active gas plays in the United States. Monthly production in 2002 reached about 26 BCF in the Wyoming portion of the basin. Coalbed methane reserves for the Wyoming portion of the basin are approximately 25 trillion cubic feet (TCF). Although coal beds in the Powder River Basin extend well into Montana, including the area of the Northern Cheyenne Indian Reservation, the only CBM development in Montana… more
Date: July 1, 2004
Creator: Wo, Shaochang; Lopez, David A.; Sr., Jason Whiteman & Reynolds, Bruce A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

History Matching in Parallel Computational Environments

Description: In the probabilistic approach for history matching, the information from the dynamic data is merged with the prior geologic information in order to generate permeability models consistent with the observed dynamic data as well as the prior geology. The relationship between dynamic response data and reservoir attributes may vary in different regions of the reservoir due to spatial variations in reservoir attributes, fluid properties, well configuration, flow constrains on wells etc. This implies… more
Date: August 31, 2004
Creator: Bryant, Steven; Srinivasan, Sanjay; Barrera, Alvaro & Yadav, Sharad
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Conversion of the Bayou Choctaw geological site characterization report to a three-dimensional model.

Description: The geologic model implicit in the original site characterization report for the Bayou Choctaw Strategic Petroleum Reserve Site near Baton Rouge, Louisiana, has been converted to a numerical, computer-based three-dimensional model. The original site characterization model was successfully converted with minimal modifications and use of new information. The geometries of the salt diapir, selected adjacent sedimentary horizons, and a number of faults have been modeled. Models of a partial set of … more
Date: February 1, 2004
Creator: Stein, Joshua S. & Rautman, Christopher Arthur
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Methane Hydrate Production From Alaskan Permafrost Progress Report

Description: Natural-gas hydrates have been encountered beneath the permafrost and considered a nuisance by the oil and gas industry for years. Engineers working in Russia, Canada and the USA have documented numerous drilling problems, including kicks and uncontrolled gas releases, in arctic regions. Information has been generated in laboratory studies pertaining to the extent, volume, chemistry and phase behavior of gas hydrates. Scientists studying hydrate potential agree that the potential is great--on t… more
Date: March 1, 2004
Creator: Williams, Thomas E.; Millheim, Keith & King, Buddy
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Evaluation of Roof Bolting Requirements Based on In-Mine Bolter Drilling Progress Report

Description: In this quarter, the field, theoretical and programming works have been performed toward achieving the research goals set in the proposal. The main accomplishments in this quarter included: (1) two more sets of field tests have been conducted in an underground coal mine, (2) optimization studies of the control parameters have been conducted, (3) method to use torque to thrust ratio as indicator of rock relative hardness has also been explored, and (3) about 97% of the development work for the r… more
Date: September 15, 2004
Creator: Peng, Syd S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Vegetation of Upper Coastal Plain depression wetlands: Environmental templates and wetland dynamics within a landscape framework.

Description: Reference wetlands play an important role in efforts to protect wetlands and assess wetland condition. Because wetland vegetation integrates the influence of many ecological factors, a useful reference system would identify natural vegetation types and include models relating vegetation to important regional geomorphic, hydrologic, and geochemical properties. Across the U.S. Atlantic Coastal Plain, depression wetlands are a major hydrogeomorphic class with diverse characteristics. For 57 functi… more
Date: March 1, 2004
Creator: De Steven, Diane & Toner, Maureen, M.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Geologic Framework Model (GFM2000)

Description: The purpose of this report is to document the geologic framework model, version GFM2000 with regard to input data, modeling methods, assumptions, uncertainties, limitations, and validation of the model results, and the differences between GFM2000 and previous versions. The version number of this model reflects the year during which the model was constructed. This model supersedes the previous model version, documented in Geologic Framework Model (GFM 3.1) (CRWMS M&O 2000 [DIRS 138860]). The… more
Date: August 26, 2004
Creator: Vogt, T.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Risk Reduction With a Fuzzy Expert Exploration Tool

Description: Incomplete or sparse information on types of data such as geologic or formation characteristics introduces a high level of risk for oil exploration and development projects. ''Expert'' systems developed and used in several disciplines and industries have demonstrated beneficial results. A state-of-the-art exploration ''expert'' tool, relying on a computerized database and computer maps generated by neural networks, is being developed through the use of ''fuzzy'' logic, a relatively new mathemat… more
Date: April 8, 2004
Creator: Balch, Robert
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

SHEAR WAVE SEISMIC STUDY COMPARING 9C3D SV AND SH IMAGES WITH 3C3D C-WAVE IMAGES

Description: The objective of this study was to compare the relative merits of shear-wave (S-wave) seismic data acquired with nine-component (9-C) technology and with three-component (3-C) technology. The original proposal was written as if the investigation would be restricted to a single 9-C seismic survey in southwest Kansas (the Ashland survey), on the basis of the assumption that both 9-C and 3-C S-wave images could be created from that one data set. The Ashland survey was designed as a 9-C seismic pro… more
Date: July 1, 2004
Creator: Beecherl, John & Hardage, Bob A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Play Analysis and Digital Portfolio of Major Oil Reservoirs in the Permian Basin: Application and Transfer of Advanced Geological and Engineering Technologies for Incremental Production Opportunities

Description: The Permian Basin of west Texas and southeast New Mexico has produced >30 Bbbl (4.77 x 10{sup 9} m{sup 3}) of oil through 2000, most of it from 1,339 reservoirs having individual cumulative production >1 MMbbl (1.59 x 10{sup 5} m{sup 3}). These significant-sized reservoirs are the focus of this report. Thirty-two Permian Basin oil plays were defined, and each of the 1,339 significant-sized reservoirs was assigned to a play. The reservoirs were mapped and compiled in a Geographic Informati… more
Date: May 1, 2004
Creator: Dutton, Shirley P.; Kim, Eugene M.; Broadhead, Ronald F.; Breton, Caroline L.; Raatz, William D.; Ruppel, Stephen C. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

OIL RESERVOIR CHARACTERIZATION AND CO2 INJECTION MONITORING IN THE PERMIAN BASIN WITH CROSSWELL ELECTROMAGNETIC IMAGING

Description: Substantial petroleum reserves exist in US oil fields that cannot be produced economically, at current prices, unless improvements in technology are forthcoming. Recovery of these reserves is vital to US economic and security interests as it lessens our dependence on foreign sources and keeps our domestic petroleum industry vital. Several new technologies have emerged that may improve the situation. The first is a series of new flooding techniques to re-pressurize reservoirs and improve the rec… more
Date: February 1, 2004
Creator: Wilt, Michael
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

YUCCA MOUNTAIN SITE DESCRIPTION

Description: The ''Yucca Mountain Site Description'' summarizes, in a single document, the current state of knowledge and understanding of the natural system at Yucca Mountain. It describes the geology; geochemistry; past, present, and projected future climate; regional hydrologic system; and flow and transport within the unsaturated and saturated zones at the site. In addition, it discusses factors affecting radionuclide transport, the effect of thermal loading on the natural system, and tectonic hazards. … more
Date: April 16, 2004
Creator: Simmons, A. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Reviving Abandoned Reservoirs With High-Pressure Air Injection: Application in a Fractured and Karsted Dolomite Reservoir

Description: The Bureau of Economic Geology (BEG) and Goldrus Producing Company have assembled a multidisciplinary team of geoscientists and engineers to evaluate the applicability of high-pressure air injection (HPAI) in revitalizing a nearly abandoned carbonate reservoir in the Permian Basin of West Texas. The characterization phase of the project is utilizing geoscientists and petroleum engineers from the Bureau of Economic Geology (BEG) and the Department of Petroleum and Geosystems Engineering (both at… more
Date: June 1, 2004
Creator: Loucks, Robert; Ruppel, Steve; Gale, Julia; Holder, Jon; Olson, Jon; Combs, Deanna et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Methane Hydrate Production From Alaskan Permafrost Progress Report

Description: Natural-gas hydrates have been encountered beneath the permafrost and considered a nuisance by the oil and gas industry for years. Engineers working in Russia, Canada and the USA have documented numerous drilling problems, including kicks and uncontrolled gas releases, in arctic regions. Information has been generated in laboratory studies pertaining to the extent, volume, chemistry and phase behavior of gas hydrates. Scientists studying hydrate potential agree that the potential is great--on t… more
Date: November 1, 2004
Creator: Williams, Thomas E.; Millheim, Keith & Liddell, Bill
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Vadose Zone Hydrogeology Data Package for the 2004 Composite Analysis

Description: This document describes the geologic framework, the physical, hydrologic, and contaminant transport properties of the geologic materials, and deep drainage (i.e. recharge) estimates. Much of the data and interpreted information were extracted from existing documents and databases.
Date: August 12, 2004
Creator: Last, George V.; Freeman, Eugene J.; Cantrell, Kirk J.; Fayer, Michael J.; Gee, Glendon W.; Nichols, William E. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

2001-2002 Wet Season Branchiopod Survey Report, Lawrence Livermore National Laboratory, Site 300, Alameda and San Joaquin Counties, California

Description: Condor County Consulting on behalf of Lawrence Livermore National Laboratory (LLNL) has performed wet season surveys for listed branchiopods at Site 300, located in eastern Alameda County and western San Joaquin County. LLNL is collecting information for the preparation of an EIS covering ongoing explosives testing and related activities on Site 300. Related activities include maintenance of fire roads and annual control burns of approximately 607 hectares (1500 acres). Control burns typically … more
Date: November 16, 2004
Creator: Weber, W & Woollett, J
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Hanford Site National Environmental Policy Act (NEPA) Characterization Report

Description: This document describes the U.S. Department of Energy's (DOE) Hanford Site environment. It is updated each year and is intended to provide a consistent description of the Hanford Site environment for the many National Environmental Policy Act (NEPA) documents being prepared by DOE contractors. No statements of significance or environmental consequences are provided. This year's report is the sixteenth revision of the original document published in 1988 and is (until replaced by the seventeenth … more
Date: September 22, 2004
Creator: Neitzel, Duane A.; Bunn, Amoret L.; Cannon, Sandra D.; Duncan, Joanne P.; Fowler, Richard A.; Fritz, Brad G. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Characterization of Vadose Zone Sediments Below the TX Tank Farm: Probe Holes C3830, C3831, C3832 and 299-W10-27

Description: Pacific Northwest National Laboratory performed detailed analyses on vadose zone sediments from within Waste Management Area T-TX-TY. This report contains all the geologic, geochemical, and selected physical characterization data collected on vadose zone sediment recovered from three probe holes (C3830, C3831, and C3832) in the TX Tank Farm, and from borehole 299-W-10-27. Sediments from borehole 299-W-10-27 are considered to be uncontaminated sediments that can be compared with contaminated sed… more
Date: April 1, 2004
Creator: Serne, R JEFFREY.; Bjornstad, Bruce N.; Horton, Duane G.; Lanigan, David C.; Lindenmeier, Clark W.; Lindberg, Michael J. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Characterization of Vadose Zone Sediments Below the T Tank Farm: Boreholes C4104, C4105, 299-W10-196 and RCRA Borehole 299-W11-39

Description: This report contains geologic, geochemical, and physical characterization data collected on sediment recovered from boreholes C4104 and C4105 in the T Tank Farm, and 299-W-11-39 installed northeast of the T Tank Farm. The measurements on sediments from borehole C4104 are compared to a nearby borehole 299-W10-196 placed through the plume from the 1973 T-106 tank leak. This report also presents the data in the context of sediment types, the vertical extent of contamination, the migration potentia… more
Date: September 1, 2004
Creator: Serne, R JEFFREY.; Bjornstad, Bruce N.; Horton, Duane G.; Lanigan, David C.; Lindenmeier, Clark W.; Lindberg, Michael J. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
Back to Top of Screen