Shaped charge carrier for perforating an oil or gas well
CA 1291418 C · Owner: Jet Research Center Inc. · Inventors: Gillingham, Ernest L.; Dines, Jack E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordNo Claude kit for weapons
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Abstract From the Canadian patent
A shaped charge carrier assembly apparatus comprising at least one shaped charge including a radially outer surface having a forward generally cylindrical part; a rearward enlarged diameter part; a forward facing shoulder between the forward part and the rearward part; a lug extending forwardly from the rearward part contiguous to the forward part. The lug includes a longitudinal lug portion extending generally parallel to a longitudinal axis of the shaped charge; and a radial lug portion extending outwardly from the longitudinal lug portion longitudinally spaced from the rearward part. The apparatus also includes a carrier having a generally circular opening for receiving the shaped charge …
Read the whole patent
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.
Why it's free to use
- Granted October 29, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 29, 2008.
- 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.