Method for determining tracer concentration in oil and gas production fluids
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United States of America Patent
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Mar 25, 2008
Grant Date -
Jul 6, 2006
app pub date -
Oct 24, 2005
filing date -
Oct 22, 2004
priority date (Note) -
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Abstract
A method for determining the extent of recovery of materials injected or otherwise introduced into oil wells or subsurface formations is practiced using a portable device. The portable device can also be used to determiner the occurrence of a predetermined condition in an oil well such as water break through in a production zone, or the opening or closing of a sliding sleeve. When, for example, water breakthrough is detected, the zone producing too much water can be plugged, using, for example, a flow-through bridge plug, if there are other producing zones further downhole.
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