<xs:simpleType name="PermeabilityLengthUom">
  <xs:restriction base="eml:UomEnum">
    <xs:enumeration value="D.ft">
      <xs:annotation>
        <xs:documentation>darcy foot</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="D.m">
      <xs:annotation>
        <xs:documentation>darcy metre</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="mD.ft">
      <xs:annotation>
        <xs:documentation>millidarcy foot</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="mD.m">
      <xs:annotation>
        <xs:documentation>millidarcy metre</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="TD[API].m">
      <xs:annotation>
        <xs:documentation>teradarcy-API metre</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
  </xs:restriction>
</xs:simpleType>