Gravity oriented perforating gun for use in slanted boreholes
CA 1211040 A · Owner: Halliburton Company · Inventors: George, Flint R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
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 upwardly direction through the perforations and into the slanted …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted September 9, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 9, 2003.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.