Distributed downhole drilling network
CA 2560479 C · Owner: Hall, David · Inventors: Fox, Joe; Pixton, David S.; Hall, H. Tracy, Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A high-speed downhole network providing real-time data from downhole components of drilling strings includes is shown in figure (2). The network includes a bottom-hole node (18e) interfacing to a bottom-hole assembly located proximate the bottom end of a drill string. A top-hole node (18a) is connected proximate the top end of the drill string. One or several intermediate nodes (18b-d) are located along the drill string between the topand bottom-hole nodes. The intermediate nodes are configured to receive and transmit data packets between the bottom-hole nodes. A communication link integrated into the drill string, is used to connect the nodes A computer , (28) may be connected to the …
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 August 4, 2004 and granted December 31, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 4, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 4, 2026.
- 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.