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Title: Ruggedized downhole tool for real-time measurements and uses thereof

The present invention relates to ruggedized downhole tools and sensors, as well as uses thereof. In particular, these tools can operate under extreme conditions and, therefore, allow for real-time measurements in geothermal reservoirs or other potentially harsh environments. One exemplary sensor includes a ruggedized ion selective electrode (ISE) for detecting tracer concentrations in real-time. In one embodiment, the ISE includes a solid, non-conductive potting material and an ion selective material, which are disposed in a temperature-resistant electrode body. Other electrode configurations, tools, and methods are also described.
Inventors:
; ; ; ; ;
Issue Date:
OSTI Identifier:
1416352
Assignee:
National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM) SNL-A
Patent Number(s):
9,863,243
Application Number:
14/698,773
Contract Number:
AC04-94AL85000
Resource Relation:
Patent File Date: 2015 Apr 28
Research Org:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; 58 GEOSCIENCES

Other works cited in this record:

A potentiometric determination of cesium ion
journal, September 1971

Characterization of geothermal fluid flows at Sumikawa geothermal area, Japan, using two types of tracers and an improved multi-path model
journal, June 2004

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