3 edition of Determination of methane concentrations in shallow ground water and soil gas near Price, Utah found in the catalog.
Determination of methane concentrations in shallow ground water and soil gas near Price, Utah
David L Naftz
1998 by U.S. Dept. of the Interior, U.S. Geological Survey in [Reston, Va.?] .
Written in English
|Statement||by David L. Naftz and Heidi K. Hadley ; prepared in cooperation with the Utah Department of Natural Resources, Division of Oil, Gas, and Mining|
|Series||Fact sheet -- FS-191-97, Fact sheet (Geological Survey (U.S.)) -- FS-97-191|
|Contributions||Hadley, Heidi K, Utah. Division of Oil, Gas, and Mining, Geological Survey (U.S.)|
|The Physical Object|
|Pagination|| p. :|
Distribution of dissolved methane across the Barnett Shale play. Each small red dot represents a Barnett Shale gas well. The other colored dots represent groundwater sample map. Soil gases are the gases found in the air space between soil components. The primary soil gases include nitrogen, carbon dioxide and oxygen. The oxygen is critical because it allows for respiration of both plant roots and soil organisms. Other natural soil gases are atmospheric methane and environmental contaminants below ground produce gas which diffuses through the soil Applications: Soil conservation, Soil management, . A new study by scientists at Duke University and the U.S. Geological Survey (USGS) finds no evidence of groundwater contamination from shale gas production in Arkansas.
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Determination of Methane Concentrations in Shallow Ground Water and Soil Gas near Price, Utah By David L. Naftz and Heidi K. Hadley U.S. Geological Survey, and Gilbert L. Determination of methane concentrations in shallow ground water and soil gas near Price Utah Department of Natural on of Oil, Gas, and Mining Methane from Coal Beds is an Important Energy Source in Central Utah Methane gas, commonly referred toCited by: 2.
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PDF | The release of methane gas from coal beds creates the potential for it to move into near-surface environments through natural and human-made | Find, read and.
A total of shallow (2- to 4-ft depth) soil-gas and ground-water samples were collected from soil and 15 ground-water sites (figs. 3 and 4). Sum- mary statistics of methane concentrations for five areas of coal-bed production (fig.
3) are listed in table 1. Multiple sam- ples were collected at 75 sites. River Valley; (3) concentrations of methane in soil gas near water wells and springs and adjacent to gas-well casings within about one-half mile of the Animas River Valley; and (4) molecular composi tion and methane-isotope data for gas samples collected from ground-water headspace, soil, and gas-well production by: 5.
The geochemical aspect of the project, relying on isotopes of various compounds from shallow groundwater and rock samples, will help establish baseline gas concentrations in the aquifer, evaluating whether gas concentrations and isotopic ratios vary over time, and identifying the source(s) of methane.
Â© The by: 4. Methane Screening Concentrations in soil gas can be relatively high (5%, 30%) and still conservative [that is, overestimating potential flammability risk]. Advective contribution Flux can be high enough to generate a pressure gradient Differential pressure criteria (2- in water) can be measurable under an intact cap (concrete, clay)File Size: 1MB.
Water supplies within 1, to 4, ft radius of planned gas well • Property owner surveys • Identification of water supply sources • Permission for sampling. Water supplies sampled months prior to pad construction • Groundwater samples from actively used water wells • Analysis for methane plus metals, inorganics, BTEX, etc.
Determination of methane concentrations in shallow ground water and soil gas near Price, Utah. USGS, Utah. ES Oliveira, J. (a). Carta Geológica de Portugal à escala 1/, Folha 7. Serviços Geológicos de Portugal. Utah. Utah: Miscellaneous Publication, Utah Geological : Gabriel A. Barberes, André L.
Spigolon, Rui Pena dos Reis, Albert Permanyer, Maria Teresa Barata. ground water contaminations. In this work, we measured the natural concentrations and sources of hydrocarbons dissolved in ground waters of the St.
Lawrence Lowlands, QC, Canada, in ground water samples collected from private (n=81), municipal (n=34) and observation (n=15) wells. Localized pools of high concentrations of methane. Soil Gas Methane at Petroleum Contaminated Sites: Forensic Determination of Origin and Source pp.
Ohio, Ground Water The discovery of methane in shallow soil gas can have major. Methane in soil gas may have undesirable consequences. The soil gas may be able to form a flammable mixture with air and present an explosion hazard. Aerobic biodegradation of the methane in soil gas may consume oxygen that would otherwise be available for biodegradation of gasoline hydrocarbons.
Journal of Contaminant Hydrology, 2 () 51 Elsevier Science Publishers B.V., Amsterdam -- Printed in The Netherlands A METHOD FOR THE IN-SITU DETERMINATION OF DISSOLVED METHANE IN GROUNDWATER IN SHALLOW AQUIFERS C. BARBER and D. BRIEGEL CSIRO, Division of Groundwater Research, Wembley, W.A.
Australia Cited by: Results from more than 1, water wells sampled and tested prior to proposed gas drilling in Susquehanna County, Pa., show methane to be ubiquitous in shallow groundwater. Optimal Technology is an ELAP state certified mobile lab (Certificate No.
) that offers state-of-the-art soil gas technology employing on-site laboratory grade instrumentation. Optimal's soil gas testing, as well as soil sampling services, provide reliable, professional and near real time analytical data acquisition to support environmental field activities.
the highest concentrations of soil-gas methane were measured, Carbon and Emery Counties, Utah, – Presence of methane gas On the basis of spatial and temporal methane concentration data collect-ed during the – monitoring period, there does not appear to be an obvious, widespread, or consistent mi-Cited by: 1.
then biodegradation of a little more than 10% methane can consume all the oxygen in soil gas. One of the goals of this study was to develop and evalu- ate a protocol to sample soil gas from groundwater monitor- ing wells that had some portion of their screen in the vadose Size: KB.
groundwater sampling); this would equal mmol methane (or Dissolved gas `concentrations' or `concentration estimates' - A comment on ``Origin, distribution and hydrogeochemical controls on methane occurrences in shallow aquifers, southwestern Ontario, Canada'' by Jennifer C.
McIntosh, Stephen E. Grasby, Stewart M. Hamilton, and Stephen G. Osborn. Concentrations of methane in groundwater samples ranged from to mg/L—some of the highest concentrations reported in a densely populated urban area. Natural gases in ground water.
Soil gas concentrations, soil temperature and soil moisture. Earlier studies at the site had shown that the main methane oxidation zone was usually located within the top 40 or 60 cm of the cover (Rachor and Gebert ).
Below this depth, the gas composition was close to the gas composition in the landfill gas wells (non-operated).Cited by: Similar geochemical relationships with elevated methane concentrations were previously reported in a study by Perry et al.
() for o predrill water well samples in Pennsylvania, Ohio, and West Virginia, as well as a study by Warner et al. () for shallow groundwater samples from six counties in northeastern by: Shallow Soil Gas Well Installation / Monitoring. A Soil Gas Investigation consists of drilling, soil sampling, monitoring well installation, testing of the soil gas concentrations and pressures in the subsurface soils, and preparation of a Report.
In order to determine the naturally occurring background methane concentrations, ∼ groundwater wells, covering ∼48 km 2, have been sampled and subsequently analyzed for dissolved methane, ethane and propane and the isotopic composition of methane (δ 13 C).Cited by: Determination of Dissolved Gas Concentrations Dennis D.
Coleman, Todd M. Coleman GWPC Annual Forum September determining dissolved gas concentrations, but they do not provide enough gas for isotope of methane in water, it was mostly an academic question, or.
He noted that commercial extraction of methane gas from ground water has already occurred for several decades in Japan, where world-class quantities of iodine have been produced along with the gas.
"Large resources of dissolved methane are usually present wherever thick sequences of sandstone or other porous rocks are saturated with ground.
Another 13 wells had methane concentrations ranging from to mg/L, 32 wells had concentrations ranging from to mg/L, and 73 wells had detectable methane concentrations less than mg/L. Methane was detected in wells in 43 of the 47 counties sampled, but methane concentrations exceeding 10 mg/L were found in wells in.
Methane was detected in 80% of the wells with an average concentration of ± mg/L, and a range of Methane concentrations were linked to groundwater chemistry and distance to the major faults in the studied area.
The methane δ(1)(3)C signature of 19 samples was > ‰, indicating a potential thermogenic by: The presence of gas in DJ Basin groundwater was noted at least as early as the s, when artesian wells drilled to depths of – m produced flammable gas ().Inresidents near the towns of Hudson and LaSalle complained of well water that was oily, flammable, and undrinkable ().Ingas was found leaking from five abandoned water Cited by: soil gas data for delineation, site assessment, or monitoring remediation systems.
This document is unique in that it emphasizes conceptual models for vapor transport, describes how to choose sample locations and depths, explains how to check the data for inconsistencies.
For the higher flow rates of 12 L/min and 24 L/min, the methane concentrations were measured for a specified period.
The solenoid valve was then closed after the release phase and the gas in the soil dissipated to a near-zero methane condition. Compressed air was pumped in between tests to clear the stagnant methane from the by: 9. Natural Gas – A gas mixture primarily consisting of methane, but also consists of percentages other hydrocarbons such as ethane, butane, and propane.
Natural gas is combustible and is commonly used as a fuel source. Soil gas – Any gas found in the soil. Typically the constituents and concentrations of soil gas. potential for increased non-methane organic compound (NMOC) emissions due to high NMOC concentrations in these situations.
In addition, AP identifies higher concentrations of specific pollutants at landfills that practice co -disposal. Co-disposal is identified in AP as landfills that accept, or have accepted, non -re sidential wastes.
Groundwater methane contribution to total atmospheric emissions. Using baseline methane concentrations for the main groundwater supply aquifers in the UK, Gooddy and Darling () estimated that water supply groundwater sources contribute only per cent to total UK methane emissions (up to x Tg/year).
Methane-concentration and methane-isotope data for ground water and soil gas in the Animas River Valley, Colorado and New Mexico, Water-Resources Investigations Report 93.
Hazards of Methane in Water Wells Methane gas may migrate through underground geo-logic formations and be transported by ground water in dissolved or pure gaseous states.
Methane generally migrates from areas of high pressure to areas of lower pressure. Methane in groundwater is not explosive; how-ever, when water containing dissolved methane File Size: KB.
gas isotopes and abundances. The wells sample a variety of depths of an aquifer system composed of unconsolidated and semiconsolidated sediments under various conditions of conﬁnement.
Concentrations of methane in groundwater samples ranged from to mg/L—some of the highest concentrations reported in a densely populated urban area Cited by: 6. Number Determination of Methane Concentrations in shallow Ground Water and soil Gas Near Price, utah The U.S. Fish and Wildlife Service A Sisters Together Beekeeping for Beginners Nosema Disease.
Its Control in Honey bee Fetch Content. Disposal of produced waters, pumped to the surface as part of coalbed methane (CBM) development, is a significant environmental issue in the Wyoming portion of the Powder River Basin, USA. High sodium adsorption ratios (SAR) of the waters could degrade agricultural land, especially if directly applied to the soil surface.
One method of disposing of CBM water, Cited by: on Measured Methane Concentrations in Groundwater Samples by Lisa J. Molofsky1, Stephen D.
Richardson2, Anthony W. Gorody3, Fred Baldassare4, June A. Black5, Thomas E. McHugh 6, and John A. Connor Abstract Analysis of dissolved light hydrocarbon gas concentrations (primarily methane and ethane) in water supply wells is commonlyFile Size: 1MB.High-quality, representative, and reproducible measurements of soil gas, groundwater, and indoor air contaminant concentrations from VI sites are needed to measure vapor attenuation, verify that VI model predictions are accurate, improve understanding of the operating physical phenomena of VI, and help EPA, states, and other practitioners.