Gravity oriented perforating gun for use in slanted boreholes
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United States of America Patent
Stats
-
Jan 20, 1987
Issued Date -
N/A
app pub date -
Aug 7, 1985
filing date -
Oct 20, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention includes a gravity oriented perforating gun for use downhole in a slanted borehole. The center of gravity of the gun is located relative to the charge carrier and to a journal means to cause the charge carrier to rotate by gravity about the longitudinal axis of the gun into a predetermined relative position. A plurality of the spaced journal means support the charge carrier in low friction relationship relative to the wellbore. The individual shaped charges gravitate into a position which orients the direction of penetration to occur in a downward direction. Accordingly, production must occur in an upwardly direction through the perforations and into the slanted borehole, thereby reducing flow of formation particles into the borehole.
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