Siting and constructing very deep monitoring wells on the US Department of Energỳs Nevada Test Site [electronic resource]
Many aspects of the Nevada Test Sitès (NTS) hydrogeologic setting restrict the use of traditional methods for the siting and construction of ground-water characterization and monitoring wells. The size of the NTS precludes establishing high-density networks of characterization wells, as are typical...
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| Online Access: |
Online Access |
|---|---|
| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Washington, D.C. : Oak Ridge, Tenn. :
United States. Department of Energy. ; distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
1991.
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| Subjects: |
MARC
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| 245 | 0 | 0 | |a Siting and constructing very deep monitoring wells on the US Department of Energỳs Nevada Test Site |h [electronic resource] |
| 260 | |a Washington, D.C. : |b United States. Department of Energy. ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Department of Energy, |c 1991. | ||
| 300 | |a 7 p. : |b digital, PDF file. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through SciTech Connect. | ||
| 500 | |a 12/31/1991. | ||
| 500 | |a "conf-910981--51" | ||
| 500 | |a "DE92006623" | ||
| 500 | |a Environmental remediation ̀91 conference,Pasco, WA (United States),8-11 Sep 1991. | ||
| 500 | |a Russell, C E; Cullen, J J; Jacobson, R L. | ||
| 500 | |a Nevada Univ., Las Vegas, NV (United States). Desert Research Inst. | ||
| 520 | 3 | |a Many aspects of the Nevada Test Sitès (NTS) hydrogeologic setting restrict the use of traditional methods for the siting and construction of ground-water characterization and monitoring wells. The size of the NTS precludes establishing high-density networks of characterization wells, as are typically used at smaller sites. The geologic complexity and variability of the NTS requires that the wells be criticality situated. The hydrogeologic complexity requires that each well provide access to many aquifers. Depths to ground water on the NTS require the construction of wells averaging approximately 1000 meters in depth. Wells meeting these criteria are uncommon in the ground-water industry, therefore techniques used by petroleum engineers are being employed to solve certain siting-, design- and installation-related problems. To date, one focus has been on developing completion strings that facilitate routine and efficient ground-water sampling from multiple intervals in a single well. The method currently advocated employs a new design of sliding side door sleeve that is actuated by an electrically operated hydraulic shifting tool. Stemming of the wells is being accomplished with standard materials (cement based grouts and sands); however, new stemming methods are being developed, to accommodate the greater depths, to minimize pH-related problems caused by the use of cements, to enhance the integrity of the inter-zone seals, and to improve the representativeness of radionuclide analyses performed on ground-water samples. Bench-scale experiments have been used to investigate the properties of more than a dozen epoxy-aggregate grout mixtures -- materials that are commonly used in underwater sealing applications. | |
| 536 | |b AC08-90NV10845. | ||
| 650 | 7 | |a Wells. |2 local. | |
| 650 | 7 | |a Monitoring. |2 local. | |
| 650 | 7 | |a Plugging. |2 local. | |
| 650 | 7 | |a Ground Water. |2 local. | |
| 650 | 7 | |a Sampling. |2 local. | |
| 650 | 7 | |a Nevada Test Site. |2 local. | |
| 650 | 7 | |a Hydrology. |2 local. | |
| 650 | 7 | |a Geology. |2 local. | |
| 650 | 7 | |a Site Characterization. |2 local. | |
| 650 | 7 | |a Well Drilling. |2 local. | |
| 650 | 7 | |a Grouting. |2 local. | |
| 650 | 7 | |a Radionuclide Migration. |2 local. | |
| 650 | 7 | |a Bench-Scale Experiments. |2 local. | |
| 650 | 7 | |a Cements. |2 local. | |
| 650 | 7 | |a Stemming Materials. |2 local. | |
| 650 | 7 | |a Piezometry. |2 local. | |
| 650 | 7 | |a Environmental Sciences. |2 edbsc. | |
| 710 | 1 | |a United States. |b Department of Energy. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
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