Well completion with merged influx of well fluids
CA 2484418 C · Owner: Valenti, Nicholas P. · Inventors: Valenti, Nicholas P.; Valenti, Richard M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The objective of the invention is to smoothly merge the influx flow streams with the wellbore flow stream so as to reduce the pressure drop along the perforated section of the wellbore liner. There is disclosed a completion liner (2) for a well for the production of hydrocarbons is provided with angled ports (26) through the sidewall which reduce pressure drop along the length of the liner. There is also disclosed short imperforated completion tubing (106) for a well for the production of hydrocarbons is concentrically mounted alongside substantially only the perforated section of the production tubing (110) to cause production fluids to initially flow toward the wellhead along an …
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, and the Claude kit works from them.
Why it's free to use
- Filed April 17, 2003 and granted February 7, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 17, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 17, 2025.
- 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.