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Title: Situ soil sampling probe system with heated transfer line

Abstract

The present invention is directed both to an improved in situ penetrometer probe and to a heated, flexible transfer line. The line and probe may be implemented together in a penetrometer system in which the transfer line is used to connect the probe to a collector/analyzer at the surface. The probe comprises a heater that controls a temperature of a geologic medium surrounding the probe. At least one carrier gas port and vapor collection port are located on an external side wall of the probe. The carrier gas port provides a carrier gas into the geologic medium, and the collection port captures vapors from the geologic medium for analysis. In the transfer line, a flexible collection line that conveys a collected fluid, i.e., vapor, sample to a collector/analyzer. A flexible carrier gas line conveys a carrier gas to facilitate the collection of the sample. A system heating the collection line is also provided. Preferably the collection line is electrically conductive so that an electrical power source can generate a current through it so that the internal resistance generates heat.

Inventors:
 [1]
  1. (Andover, MA)
Issue Date:
OSTI Identifier:
874909
Patent Number(s):
6487920
Assignee:
Trustees of Tufts College (Medford, MA) OSTI
DOE Contract Number:  
ANL-941922402
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
situ; soil; sampling; probe; heated; transfer; line; directed; improved; penetrometer; flexible; implemented; connect; collectoranalyzer; surface; heater; controls; temperature; geologic; medium; surrounding; carrier; gas; vapor; collection; located; external; wall; provides; captures; vapors; analysis; conveys; collected; fluid; sample; facilitate; heating; provided; electrically; conductive; electrical; power; source; generate; current; internal; resistance; generates; heat; electrically conductive; carrier gas; power source; electrical power; sampling probe; transfer line; /73/

Citation Formats

Robbat, Jr., Albert. Situ soil sampling probe system with heated transfer line. United States: N. p., 2002. Web.
Robbat, Jr., Albert. Situ soil sampling probe system with heated transfer line. United States.
Robbat, Jr., Albert. Tue . "Situ soil sampling probe system with heated transfer line". United States. https://www.osti.gov/servlets/purl/874909.
@article{osti_874909,
title = {Situ soil sampling probe system with heated transfer line},
author = {Robbat, Jr., Albert},
abstractNote = {The present invention is directed both to an improved in situ penetrometer probe and to a heated, flexible transfer line. The line and probe may be implemented together in a penetrometer system in which the transfer line is used to connect the probe to a collector/analyzer at the surface. The probe comprises a heater that controls a temperature of a geologic medium surrounding the probe. At least one carrier gas port and vapor collection port are located on an external side wall of the probe. The carrier gas port provides a carrier gas into the geologic medium, and the collection port captures vapors from the geologic medium for analysis. In the transfer line, a flexible collection line that conveys a collected fluid, i.e., vapor, sample to a collector/analyzer. A flexible carrier gas line conveys a carrier gas to facilitate the collection of the sample. A system heating the collection line is also provided. Preferably the collection line is electrically conductive so that an electrical power source can generate a current through it so that the internal resistance generates heat.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2002},
month = {1}
}

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