Patents by Inventor Sebastien Joulin

Sebastien Joulin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8919460
    Abstract: A coring tool having a coring mechanism for cutting cores from a borehole sidewall. The coring mechanism comprises a motor having a coring bit to cut 1.5 inch diameter, 2.5 inch long cores. Support plates fixed to the housing comprise guide slots having a longer leg and a shorter leg. Leading pins and follower pins extend from the motor into the guide slots. When the leading and follower pins are driven along the guide slots, the motor is rotated and then pushed into the formation. Drive plates positioned between the housing and the support plates comprise slots and pivot about a pin. The leading pins further extend into the drive plate slots. A hydraulic cylinder pivots the drive plates, pushing the pins along the guide slots to rotate the motor to a radial position and then urge the motor towards the formation.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: December 30, 2014
    Assignee: Schlumberger Technology Corporation
    Inventors: Sebastien Joulin, Stephen Yeldell, Brandon Christa, James Massey
  • Publication number: 20130068531
    Abstract: A coring tool having a coring mechanism for cutting cores from a borehole sidewall. The coring mechanism comprises a motor having a coring bit to cut 1.5 inch diameter, 2.5 inch long cores. Support plates fixed to the housing comprise guide slots having a longer leg and a shorter leg. Leading pins and follower pins extend from the motor into the guide slots. When the leading and follower pins are driven along the guide slots, the motor is rotated and then pushed into the formation. Drive plates positioned between the housing and the support plates comprise slots and pivot about a pin. The leading pins further extend into the drive plate slots. A hydraulic cylinder pivots the drive plates, pushing the pins along the guide slots to rotate the motor to a radial position and then urge the motor towards the formation.
    Type: Application
    Filed: September 11, 2012
    Publication date: March 21, 2013
    Inventors: Sebastien Joulin, Stephen Yeldell, Brandon Christa, James Massey