Patent Yard Sign in
Expired Canadian patentCanada

Method and a device for automatic control of coil pipe operations

CA 2495918 C · Owner: Ensign Drilling Inc. · Inventors: Geddes, Bob; Kipp, Wayne

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

An apparatus and automated control of the apparatus for use in coiled pipe operations is provided. The apparatus includes a mobile rig or trailer that carries a tower having attached thereto a reef of coiled tubing and a standard coiled tubing injector. The tower is positionable to support the reel of coiled tubing and the injector at a desired elevation above a wellhead. The reel of coiled tubing is supported upon a movable reel cart which is actively positioned by an automated control system to position the reel of coiled tube and ultimately the coiled tubing as it drawn from and drawn upon the reel during operation. The control system monitors the position of the coiled tube as it is …

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 February 3, 2005 and granted June 26, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 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.
FiledFebruary 3, 2005
GrantedJune 26, 2012
Term endedFebruary 3, 2025
Patent numberCA 2495918 C
Classification (IPC)E21B19/22

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedFeb 3, 2005Patent grantedJune 26, 2012Term endedFeb 3, 2025

Sources & verification

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