-<xsd:schema elementFormDefault="qualified" attributeFormDefault="unqualified" targetNamespace="http://www.witsml.org/schemas/1series" version="1.4.1.1">
<!--
                                                         
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<!--
 Energistics License Agreement
	This file is distributed under the Energistics License Agreement at
	http://www.energistics.org
	Use of this file constitutes agreement with the Energistics License Agreement.
	Copyright (c) 2012 Energistics. All rights reserved.
	Energistics, WITSML, PRODML and RESQML are trademarks or registered trademarks of Energistics.
	
 -->
<!--
                                                         
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 <xsd:include schemaLocation="cs_iscwsaAuthorizationData.xsd"/>
 <xsd:include schemaLocation="cs_iscwsaSurveyToolOperatingCondition.xsd"/>
 <xsd:include schemaLocation="cs_iscwsaSurveyToolOperatingInterval.xsd"/>
 <xsd:include schemaLocation="cs_iscwsaModelParameters.xsd"/>
 <xsd:include schemaLocation="cs_iscwsaErrorTermValue.xsd"/>
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-<xsd:group name="grp_toolErrorModel">
-<xsd:annotation>
 <xsd:documentation>The non-contextual content of a WITSML Tool Error Model object.</xsd:documentation>
 <xsd:appinfo>Modified-in-version=1.4.0, By-issue=W-CR-008, Change=Added</xsd:appinfo>
 </xsd:annotation>
-<xsd:sequence>
-<xsd:element name="authorization" type="witsml:cs_iscwsaAuthorizationData" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The definitive source, authority, status and version of this model.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="typeSurveyTool" type="witsml:TypeSurveyTool" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The type of tool used for the measurements. This is the same list as defined for a trajectoryStation.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="operatingCondition" type="witsml:cs_iscwsaSurveyToolOperatingCondition" minOccurs="0" maxOccurs="unbounded">
-<xsd:annotation>
 <xsd:documentation>The operating condition for this tool. If not specified then stationary should be assumed.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="operatingInterval" type="witsml:cs_iscwsaSurveyToolOperatingInterval" minOccurs="0" maxOccurs="unbounded">
-<xsd:annotation>
 <xsd:documentation>The operating interval for this tool. If not specified then stationary should be assumed.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="modelParameters" type="witsml:cs_iscwsaModelParameters" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Values related to the tool running conditions that influence the variance generation.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="useErrorTermSet" type="witsml:refNameString" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Reference to the toolErrorTermSet object that contains the error terms used in this model.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="errorTermValue" type="witsml:cs_iscwsaErrorTermValue" minOccurs="1" maxOccurs="unbounded">
-<xsd:annotation>
 <xsd:documentation>Value for an error term that is part of the model.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
 </xsd:sequence>
 </xsd:group>
 </xsd:schema>