Method for the Collection and Analysis of Sample Fluids During a Tracer Test

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Abstract/Contents

Abstract
lnterwell and single well tracer tests can provide the reservoir engineer with a valuable tool applicable both to the fractured systems found in geothermal reservoirs and in the more homogeneous media of the traditional oil and gas reservoir. This study outlines a system of tracer sampling and analysis that is both inexpensive to implement and accurate in its results. Although designed for use with geothermal fluids, this technology could be easily adapted to an oil and gas system.Radioactive tracers are difficult to work with due to licensing and regulatory requirements and dye tracers tend to break down at geothermal reservoir temperatures. Consequently, chemical tracers - specifically the halides, bromide and iodide - have been chosen for this study. Two elements of halide tracer testing will be discussed: sample collection and tracer concentration analysis. A tracer sampling and analysis system is composed of two elements. The first is a manifold of sixteen solenoid operated valves controlled by a programmable timer. This device will collect samples of a specified volume at specified times while remaining unattended. The second is an Ion-Selective Electrode system that can directly read the concentration of halide in an aqueous solution to less than 1 ppm. The purpose of this report is to describe both elements.

Description

Type of resource text
Date created June 1962

Creators/Contributors

Author Jackson, Peter Brooks
Primary advisor Horne, Roland N.
Degree granting institution Stanford University, Department of Petroleum Engineering

Subjects

Subject School of Earth Energy & Environmental Sciences
Genre Thesis

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Use and reproduction
User agrees that, where applicable, content will not be used to identify or to otherwise infringe the privacy or confidentiality rights of individuals. Content distributed via the Stanford Digital Repository may be subject to additional license and use restrictions applied by the depositor.

Preferred citation

Preferred Citation
Jackson, Peter Brooks. (1962). Method for the Collection and Analysis of Sample Fluids During a Tracer Test. Stanford Digital Repository. Available at: https://purl.stanford.edu/db554sv4088

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Master's Theses, Doerr School of Sustainability

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