Case Studies

  • Igniter Issues

    Igniter Issues

    Possible Scenario:

    After the BHA has been pumped down and current has been applied to the setting tool, a common error is having an open circuit. This open circuit will most likely make it impossible to set the plug. In this case the BHA should be pulled out of hole to analyze. In this specific scenario the open circuit is due to an issue with the igniter.

    Analysis:

    After pulling the BHA, the bottom gun should be disarmed and the setting tool should be removed. After the gun has been disarmed, it should be inspected thoroughly to find the source of the open circuit. In an attempt to identify the source of the open circuit, the parts of the BHA should be metered, the O-Rings should be checked, and the igniter should be inspected. If the igniter is metered and it reads open, the issue is likely caused by a manufacturing defect (a faulty resistor in the igniter).

    Resolution:

    After the cause of the error is identified, the entire crew should be made aware of the issue.  Internal igniter issues are out of a crew’s control, therefore this issue does not involve human error.

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