<xs:simpleType name="VolumePerTimeLengthUom">
  <xs:restriction base="eml:UomEnum">
    <xs:enumeration value="1000 bbl.ft/d">
      <xs:annotation>
        <xs:documentation>thousand barrel foot per day</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="1000 m4/d">
      <xs:annotation>
        <xs:documentation>thousand (cubic metre per day) metre</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="m4/s">
      <xs:annotation>
        <xs:documentation>metre to the fourth power per second</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
  </xs:restriction>
</xs:simpleType>