Gravity oriented perforating gun for use in slanted boreholes

Details Gravity oriented perforating gun for use in slanted boreholes Gravity oriented perforating gun for use in slanted boreholes

E - Fixed Constructions

21

B

166/10

E21B 43/11 (2006.01) E21B 43/117 (2006.01) E21B 43/119 (2006.01) F42B 3/08 (2006.01)

Patent

CA 1211040

GRAVITY ORIENTED PERFORATING GUN FOR USE IN SLANTED BOREHOLES ABSTRACT OF THE DISCLOSURE 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. 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 up- wardly direction through the perforations and into the slanted borehole, thereby reducing flow of formation parti- cles into the borehole.

439008

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