Small hole retrievable perforating system for use during extreme overbalanced perforating
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United States of America Patent
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Sep 1, 1998
Grant Date -
N/A
app pub date -
Jan 31, 1996
filing date -
Jan 31, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A slickline conveyed perforating method and apparatus is adapted to be disposed in an extremely small diameter cased borehole, especially during extreme overbalanced perforating conditions, and the apparatus includes one or more shock absorbed pressure and temperature measurement gauges adapted for measuring the pressure and temperature in the small diameter cased borehole before, during, and after the perforating operation. An 'extremely small diameter' borehole is defined as a borehole which has a diameter that is always less than the diameter of any production tubing which would normally be inserted into the borehole.
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