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<xsd:documentation>A reference to a rig within a wellbore.
The wellbore may be defined within the context of another well.
This value represents a foreign key from one node to another.</xsd:documentation>
<xsd:documentation>A pointer to the wellbore that contains the rigReference.
This is not needed unless the referenced rig is outside the
context of a common parent wellbore.</xsd:documentation>
<xsd:documentation>A pointer to the well that contains the wellboreParent.
This is not needed unless the referenced wellbore is outside the
context of a common parent well.</xsd:documentation>