-<xsd:schema elementFormDefault="qualified" attributeFormDefault="unqualified" targetNamespace="http://www.witsml.org/schemas/131/addendum/combo" version="1.3.1">
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<!--
 POSC License Agreement
	This file is distributed under the POSC License Agreement at
	http://www.posc.org/about/license.shtml.
	Use of this file constitutes agreement with the POSC License Agreement.
	
 -->
<!--
                                                         
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 <xsd:include schemaLocation="typ_dataTypes.xsd"/>
 <xsd:include schemaLocation="typ_catalog_prodVol.xsd"/>
 <xsd:include schemaLocation="typ_measureType_prodVol.xsd"/>
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-<xsd:complexType name="datedCommentString" final="#all">
-<xsd:annotation>
 <xsd:documentation>A timestamped comment or remark intended for human consumption. There should be no assumption that semantics can be extracted from this field by a computer. Neither should there be an assmumption that any two humans will interpret the information in the same way (i.e., it may not be interoperable).</xsd:documentation>
 </xsd:annotation>
-<xsd:simpleContent>
-<xsd:extension base="witsml:abstractCommentString">
-<xsd:attribute name="when" type="witsml:timestamp" use="optional">
-<xsd:annotation>
 <xsd:documentation>The date and time when the comment was logged.</xsd:documentation>
 </xsd:annotation>
 </xsd:attribute>
 </xsd:extension>
 </xsd:simpleContent>
 </xsd:complexType>
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-<xsd:simpleType name="nonNegativeFraction">
-<xsd:annotation>
 <xsd:documentation>A floating point value between zero (inclusive) and one (inclusive)</xsd:documentation>
 </xsd:annotation>
-<xsd:restriction base="witsml:abstractDouble">
-<xsd:minInclusive value="0">
-<xsd:annotation>
 <xsd:documentation>This value can be zero but cannot be negative.</xsd:documentation>
 </xsd:annotation>
 </xsd:minInclusive>
-<xsd:maxInclusive value="1">
-<xsd:annotation>
 <xsd:documentation>This value can not be greater than one.</xsd:documentation>
 </xsd:annotation>
 </xsd:maxInclusive>
 </xsd:restriction>
 </xsd:simpleType>
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 </xsd:schema>