Instrumentation used for hydraulic testing of potential water-bearing formations at the Waste Isolation Pilot Plant site in southeastern New Mexico

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Authors:Basler, J. A.
Author Affiliations:Primary:
U. S. Geol. Surv., Albuquerque, NM, United States
Source:Open-File Report - U. S. Geological Survey, No.OF 83-0144, 34p. Publisher: U. S. Geological Survey, Reston, VA, United States. ISSN: 0196-1497
Publication Date:1983
Note:In English. 7 refs.
Summary:Requirements for testing hydrologic test wells at the proposed Waste Isolation Pilot Plant near Carlsbad, New Mexico, necessitated the use of inflatable formation packers and pressure transducers. Observations during drilling and initial development indicated small formation yields which would require considerable test times by conventional open-casing methods. A pressure-monitoring system was assembled for performance evaluation utilizing commercially available components. Formation pressures were monitored with a down-hole strain-gage transducer. An inflatable packer equipped with a 1/4-inch-diameter steel tube extending through the inflation element permitted sensing formation pressures in isolated test zones. Surface components of the monitoring system provided AC transducer excitation, signal conditioning for recording directly in engineering units, and both analog and digital recording. Continuous surface monitoring of formation pressures provided a means of determining test status and projecting completion times during any phase of testing. Maximum portability was afforded by battery operation with all surface components mounted in a small self-contained trailer. (USGS)
Subjects:Aquifers; Engineering geology; Environmental geology; Ground water; Hydrodynamics; Hydrogeology; Instruments; Monitoring; Movement; Pollution; Radioactive waste; Site exploration; Surveys; Testing; Transmissivity; USGS; Waste disposal; Well-logging; Eddy County New Mexico; New Mexico; United States; Waste Isolation Pilot Plant; Sensors; Waste Isolation Pilot Plant site
Coordinates:N321800 N322500 W1034300 W1035200
Record ID:1984013928
Copyright Information:GeoRef, Copyright 2018 American Geosciences Institute. Reference includes data from USGS product, Selected Water Resources Abstracts, Reston, VA, United States
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