Acoustic telemetry transceiver
CA 2847634 C · Owner: Halliburton Energy Services, Inc. · Inventors: Gardner, Wallace R.; Shah, Vimal V.; Kyle, Donald G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus and a system are provided for generating an acoustic signal. One embodiment of the apparatus includes a mandrel having a first conical section an actuator that comprises a piezoelectric transducer to generate the acoustic signal that is to modulate along the mandrel and a second conical section to mate with the first conical section. One embodiment of the system may be comprised of a drill string having a mandrel having a first conical section wherein the drill string includes a bottom hole assembly having a downhole tool. The downhole tool may include a piezoelectric transducer to generate the acoustic signal that is to modulate along the mandrel and a second conical section …
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 July 1, 2005 and granted July 26, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 1, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.