Method and system for geophysical exploration
CA 1315191 C · Owner: Rai, Chandra Shekhar · Inventors: Rai, Chandra Shekhar; Sondergeld, Carl H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates generally to a method and system for geophysical exploration and more particularly to a method and system for obtaining selected physical properties of the subterranean formations surrounding a wellbore and for obtaining inverse logs of the selected physical properties so as to aid the geophysicist in evaluating the oil and gas bearing potential of such formations. In one embodiment of the invention contin-, uous core samples are obtained from along the length of a wellbore. Discrete samples are obtained from the continuous core samples at selected intervals so as to be representative of the formation lithologies traversed by the wellbore along its length. 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
- Granted March 30, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 30, 2010.
- 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.