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AssigneeIntelligent Wellhead Systems Inc.
InventorsBradley Robert Martin, Aaron Mitchell Carlson
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The present disclosure provides a system, an apparatus and a method for detecting line-attached tools in an above-surface portion of a well for use during well-work overs and/or interventions. The system includes the apparatus which comprises: a body for housing at least one magnetic-field generator and at least one magnetic-field sensor; and a tubular portion that is configured to be housed within the body. The tubular portion has a bore for receiving the line-attached tools and the at least one magnetic-field sensor is configured for detecting changes in the magnetic field caused by the line-attached tool approaching, moving through and/or moving away from the body. The system may further include a processor unit for receiving one or more signals from the at least one magnetic-field sensor and for determining the location and/or one or more dimensions of the line-attached tool while approaching, moving through or moving away from the body.
An apparatus for detecting a line-attached tool that is moving through a well, the apparatus comprising:
A method for identifying a location of a line-attached tool while moving through an above-surface-portion of a well, the method comprising steps of:
Dependencies are inferred from the claim text.