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Canadian application, no grantCanada

Device and method for heating a treating fluid

CA 2276048 A1 · Owner: Ultimate Services Of America, Inc. · Inventors: Leblanc, Michael J.; Crawford, James B.

CIPO record

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Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A method of heating a chemical solution used in a well bore having a tubing string is disclosed. The well bore will intersect a hydrocarbon reservoir. The method will comprise providing a diesel engine (4) that produces heat as a result of its operation. The engine will in turn produce a gas exhaust (46) a , water exhaust (6), and a hydraulic oil exhaust (32). The method would further include channeling the exhaust to a series of heat exchangers (10 18, 24, 26, 56). The method may further comprise flowing a treating compound (12) into the heat exchangers and heating the treating compound in the series of heat exchangers by heat transfer from the exhaust to the treating compound. The …

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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

  • Filed December 19, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 19, 2017.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 19, 2019.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 19, 1997
GrantedNo grant recorded
Term endedDecember 19, 2017
Patent numberCA 2276048 A1
Classification (IPC)E21B43/25 +1 more

Timeline

Timeline From CIPO dates

1998200020022004200620082010201220142016Application filedDec 19, 1997Term endedDec 19, 2017

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.