Four port tube to extend the life of quartz tubes used for the well drive process
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United States of America Patent
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Feb 25, 1997
Grant Date -
N/A
app pub date -
Oct 12, 1995
filing date -
Oct 12, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A quartz tube with multiple thermocouple ports arranged along its radius allows for the quartz tube to be rotated while the thermocouple is always placed in the bottom position of the quartz tube. This avoids a problem of the sagging of the quartz tube. When quartz tubes are not rotated, the quartz tubes tend to start sagging from their top. By rotating the quartz tube different portions of the quartz tube are at the top at different times. By using multiple thermocouple ports arranged around the radius of the quartz tube, the thermocouple can be positioned at the bottom of the quartz tube for different orientations of the quartz tube.
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