×

Safety interlock for control lines

  • US 7,717,184 B2
  • Filed: 11/30/2006
  • Issued: 05/18/2010
  • Est. Priority Date: 01/15/2004
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method of running a control line along with a tubular string using a gripping apparatus having a gripping element, comprising:

  • providing an interlock system for preventing or allowing movement of the gripping element and a protection tool;

    moving the control line to a position away from a tubular string;

    inserting the protection tool adjacent to the control line;

    detecting the presence of the protection tool;

    operating the interlock system to allow the gripping element to move toward the tubular string in response to the presence of the protection tool; and

    engaging the gripping element with the tubular string, whereby the control line is prevented from engagement with the gripping element.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×