<witsml:Index xmlns:witsml="http://www.energistics.org/energyml/data/witsmlv2">
  <witsml:IndexType>{1,1}</witsml:IndexType>
  <witsml:Uom>{1,1}</witsml:Uom>
  <witsml:Direction>{1,1}</witsml:Direction>
  <witsml:Mnemonic>{1,1}</witsml:Mnemonic>
  <witsml:DatumReference>{0,1}</witsml:DatumReference>
</witsml:Index>

<xs:element name="Index" type="witsml:ChannelIndex" minOccurs="1" maxOccurs="unbounded"/>

<witsml:Channel existenceKind="" objectVersion="" schemaVersion="" uuid="" xmlns:witsml="http://www.energistics.org/energyml/data/witsmlv2" xmlns:eml="http://www.energistics.org/energyml/data/commonv2">
  <eml:Aliases authority="">{0,unbounded}</eml:Aliases>
  <eml:Citation>{1,1}</eml:Citation>
  <eml:CustomData>{0,1}</eml:CustomData>
  <eml:ExtensionNameValue>{0,unbounded}</eml:ExtensionNameValue>
  <witsml:Mnemonic>{1,1}</witsml:Mnemonic>
  <witsml:DataType>{1,1}</witsml:DataType>
  <witsml:Uom>{1,1}</witsml:Uom>
  <witsml:GrowingStatus>{1,1}</witsml:GrowingStatus>
  <witsml:Source>{0,1}</witsml:Source>
  <witsml:Wellbore>{0,1}</witsml:Wellbore>
  <witsml:AxisDefinition uid="">{0,unbounded}</witsml:AxisDefinition>
  <witsml:ChannelState>{0,1}</witsml:ChannelState>
  <witsml:TimeDepth>{1,1}</witsml:TimeDepth>
  <witsml:ChannelClass>{1,1}</witsml:ChannelClass>
  <witsml:RunNumber>{0,1}</witsml:RunNumber>
  <witsml:PassNumber>{0,1}</witsml:PassNumber>
  <witsml:StartIndex>{0,1}</witsml:StartIndex>
  <witsml:EndIndex>{0,1}</witsml:EndIndex>
  <witsml:LoggingCompanyName>{1,1}</witsml:LoggingCompanyName>
  <witsml:LoggingCompanyCode>{0,1}</witsml:LoggingCompanyCode>
  <witsml:ToolName>{0,1}</witsml:ToolName>
  <witsml:ToolClass>{0,1}</witsml:ToolClass>
  <witsml:Derivation>{0,1}</witsml:Derivation>
  <witsml:LoggingMethod>{0,1}</witsml:LoggingMethod>
  <witsml:NominalHoleSize uom="">{0,1}</witsml:NominalHoleSize>
  <witsml:PointMetadata>{0,unbounded}</witsml:PointMetadata>
  <witsml:DerivedFrom>{0,unbounded}</witsml:DerivedFrom>
  <witsml:Index>{1,unbounded}</witsml:Index>
  <witsml:Parent>{0,1}</witsml:Parent>
</witsml:Channel>

<xs:element name="Channel" type="witsml:Channel" minOccurs="1" maxOccurs="unbounded"/>

<witsml:Data xmlns:witsml="http://www.energistics.org/energyml/data/witsmlv2">
  <witsml:Data>{0,1}</witsml:Data>
  <witsml:FileUri>{0,1}</witsml:FileUri>
</witsml:Data>

<xs:element name="Data" type="witsml:ChannelData" minOccurs="0" maxOccurs="1"/>

<witsml:Wellbore xmlns:witsml="http://www.energistics.org/energyml/data/witsmlv2" xmlns:eml="http://www.energistics.org/energyml/data/commonv2">
  <eml:ContentType>{1,1}</eml:ContentType>
  <eml:Title>{1,1}</eml:Title>
  <eml:Uuid>{1,1}</eml:Uuid>
  <eml:UuidAuthority>{0,1}</eml:UuidAuthority>
  <eml:Uri>{0,1}</eml:Uri>
  <eml:VersionString>{0,1}</eml:VersionString>
</witsml:Wellbore>

<xs:element name="Wellbore" type="eml:DataObjectReference" minOccurs="0" maxOccurs="1"/>

<xs:element name="DataContext" type="witsml:AbstractLogDataContext" minOccurs="0" maxOccurs="1"/>

<xs:complexType name="ChannelSet">
  <xs:annotation>
    <xs:documentation>A grouping of channels with a compatible index, for some purpose. Each channel has its own index. A ‘compatible’ index simply means that all of the channels are either in time or in depth using a common datum.</xs:documentation>
  </xs:annotation>
  <xs:complexContent>
    <xs:extension base="eml:AbstractObject">
      <xs:sequence>
        <xs:element name="Index" type="witsml:ChannelIndex" minOccurs="1" maxOccurs="unbounded"/>
        <xs:element name="Channel" type="witsml:Channel" minOccurs="1" maxOccurs="unbounded"/>
        <xs:element name="Data" type="witsml:ChannelData" minOccurs="0" maxOccurs="1"/>
        <xs:group ref="witsml:ChannelSetMetadata" minOccurs="1" maxOccurs="1"/>
        <xs:element name="Wellbore" type="eml:DataObjectReference" minOccurs="0" maxOccurs="1"/>
        <xs:element name="DataContext" type="witsml:AbstractLogDataContext" minOccurs="0" maxOccurs="1"/>
      </xs:sequence>
    </xs:extension>
  </xs:complexContent>
</xs:complexType>