System for controlling oil well drill dynamics
CA 2789181 C · Owner: Halliburton Energy Services, Inc. · Inventors: Gleitman, Daniel D.; Dudley, James H.; Rodney, Paul F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system is provided to control oil well drilling dynamics. The system includes a , plurality of downhole sensor modules which, when distributed along and , coupled to a first portion of a drill string detect a lumped parameter of a second portion of the drill , string. Each downhole sensor module produces a sensor signal. The system further , includes one or more controllable element modules which, when distributed , along and , coupled to a third portion of the drill string affect the lumped parameter of the second , portion of the drill string each controllable element module being responsive to a , controllable element signal.
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 March 3, 2005 and granted September 15, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 3, 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.