Patents Assigned to COUGAR DRILLING SOLUTIONS INC.
  • Method and apparatus for creating a pressure pulse in drilling fluid to vibrate a drill string
    Patent number: 9593537
    Abstract: A pressure pulse generating method and apparatus for use with a drill string includes a top and bottom subs for attaching the apparatus within the drill string; a power section comprising a rotor/stator; a drive assembly; and a nozzle sub which includes a nozzle assembly comprising a nozzle holder and a replaceable nozzle; and a nozzle housing having pulse openings. The nozzle holder has fluid ports which periodically align with the pulse openings as the nozzle holder rotates within the nozzle housing to achieve a desired pulse amplitude, frequency and waveform.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: March 14, 2017
    Assignee: Cougar Drilling Solutions Inc.
    Inventor: Tom Gust
  • Method and apparatus for creating a pressure pulse in drilling fluid to vibrate a drill string
    Patent number: 9091123
    Abstract: A pressure pulse generating method and apparatus for use with a drill string includes a top and bottom subs for attaching the apparatus within the drill string; a rotor/stator; a drive assembly; and a nozzle sub which includes a nozzle assembly comprising a nozzle holder and a replaceable nozzle; and a nozzle housing having pulse openings. The nozzle holder has fluid ports which periodically align with the pulse openings as the nozzle holder rotates within the nozzle housing to achieve a desired pulse amplitude, frequency and waveform.
    Type: Grant
    Filed: February 2, 2012
    Date of Patent: July 28, 2015
    Assignee: Cougar Drilling Solutions Inc.
    Inventor: Tom Gust
  • METHOD AND APPARATUS FOR CREATING A PRESSURE PULSE IN DRILLING FLUID TO VIBRATE A DRILL STRING
    Publication number: 20150041217
    Abstract: A pressure pulse generating method and apparatus for use with a drill string includes a top and bottom subs for attaching the apparatus within the drill string; a power section comprising a rotor/stator; a drive assembly; and a nozzle sub which includes a nozzle assembly comprising a nozzle holder and a replaceable nozzle; and a nozzle housing having pulse openings. The nozzle holder has fluid ports which periodically align with the pulse openings as the nozzle holder rotates within the nozzle housing to achieve a desired pulse amplitude, frequency and waveform.
    Type: Application
    Filed: January 18, 2013
    Publication date: February 12, 2015
    Applicant: COUGAR DRILLING SOLUTIONS INC.
    Inventor: Tom Gust
  • METHOD AND APPARATUS FOR CREATING A PRESSURE PULSE IN DRILLING FLUID TO VIBRATE A DRILL STRING
    Publication number: 20130199848
    Abstract: A pressure pulse generating method and apparatus for use with a drill string includes a top and bottom subs for attaching the apparatus within the drill string; a rotor/stator; a drive assembly; and a nozzle sub which includes a nozzle assembly comprising a nozzle holder and a replaceable nozzle; and a nozzle housing having pulse openings. The nozzle holder has fluid ports which periodically align with the pulse openings as the nozzle holder rotates within the nozzle housing to achieve a desired pulse amplitude, frequency and waveform.
    Type: Application
    Filed: February 2, 2012
    Publication date: August 8, 2013
    Applicant: COUGAR DRILLING SOLUTIONS INC.
    Inventor: TOM GUST