<xsd:documentation>Well Log information that supports the WITSML standard.
This log supports multiple passes within a run by utilizing multiple data blocks.
This is a systematically growing object as defined by the API Core Specification.</xsd:documentation>
<xsd:documentation>Data object schema version. The fourth level must match the
version of the schema constraints (enumerations and XML loader files) that are assumed
by the document instance.</xsd:documentation>