-<xsd:schema elementFormDefault="qualified" attributeFormDefault="unqualified" targetNamespace="http://www.witsml.org/schemas/131/addendum/combo" version="1.3.0.0">
<!--
                                                         
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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"/>
<!--
                                                         
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-<xsd:annotation>
 <xsd:documentation>WITSML- Catalog of Value Constrainted Types.</xsd:documentation>
 </xsd:annotation>
<!--
                                                         
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<!--
                                                         
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-<xsd:simpleType name="CrewType">
-<xsd:annotation>
 <xsd:documentation>The type of personnel grouping.</xsd:documentation>
 </xsd:annotation>
-<xsd:restriction base="witsml:abstractTypeEnum">
-<xsd:enumeration value="catering crew">
-<xsd:annotation>
 <xsd:documentation>A count that is the number of persons from the catering contractor spending the night at the installation.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="contractor crew">
-<xsd:annotation>
 <xsd:documentation>A count that is the number of persons from other than operator spending the night at the installation.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="day visitors">
-<xsd:annotation>
 <xsd:documentation>A count that is the number of persons visiting the installation but not spending the night at the installation.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="drilling contract crew">
-<xsd:annotation>
 <xsd:documentation>A count that is the number of persons from the drilling contractor spending the night at the installation.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="own crew">
-<xsd:annotation>
 <xsd:documentation>A count that is the number of persons from the operator normally working on the installation and spending the night there.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="own other crew">
-<xsd:annotation>
 <xsd:documentation>A count that is the number of persons from the operator normally not working on the installation, but spending the night there.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="other crew">
-<xsd:annotation>
 <xsd:documentation>A count that is the number of persons from an unknown source normally not working on the installation, but spending the night there.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="personnel on board">
-<xsd:annotation>
 <xsd:documentation>A count of the total personnel on board.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
 </xsd:restriction>
 </xsd:simpleType>
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-<xsd:simpleType name="OperationKind">
-<xsd:annotation>
 <xsd:documentation>The type of operation for which general comments can be defined.</xsd:documentation>
 </xsd:annotation>
-<xsd:restriction base="witsml:abstractTypeEnum">
-<xsd:enumeration value="production">
-<xsd:annotation>
 <xsd:documentation>Production operations.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="well">
-<xsd:annotation>
 <xsd:documentation>Well operations.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="deviations">
-<xsd:annotation>
 <xsd:documentation>Deviations from existing procedures and guidelines.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="maintenance">
-<xsd:annotation>
 <xsd:documentation>Maintenance work.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="construction">
-<xsd:annotation>
 <xsd:documentation>Construction work.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="power station failure">
-<xsd:annotation>
 <xsd:documentation>Failure of a power station.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="air traffic">
-<xsd:annotation>
 <xsd:documentation>Air traffic in the area.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="other">
-<xsd:annotation>
 <xsd:documentation>Other comment relevant for the production periods on the installation.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
 </xsd:restriction>
 </xsd:simpleType>
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-<xsd:simpleType name="ReasonLost">
-<xsd:annotation>
 <xsd:documentation>Reason for lost production.</xsd:documentation>
 </xsd:annotation>
-<xsd:restriction base="witsml:abstractTypeEnum">
-<xsd:enumeration value="topside equipment failure-maint">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of production due to equipment failure and maintenance topside.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="extended maint turnaround">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of production due to extended maintenance turnaround.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="extended maint turnaround export">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of production due to extended maintenance turnaround on export terminal.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="preventive maint topside">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of production due to preventive maintenance topside.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="planned maint turnaround">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of production due to planned maintenance turnaround.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="marked oil">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of oil production due to lost export due to marked product.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="marked gas">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of gas production due to lost export due to marked product.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="modification project">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of production due to modification projects.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="operation mistakes">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of production due to operation mistakes reference.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="other">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of production due to unspecified reasons.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="process and operation problem">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of production due to process and operation problems.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="production">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of production due to total loss of production.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="regulatory reference">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of production due to regulatory reference.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="reservoir">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of production due to reservoir losses.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="testing and logging">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of production due to well testing and logging.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="unavailable tanker storage">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of production due to unavailable tanker storage.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="well equipment failure-maint">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of production due to well equipment failure and maintenance.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="well planned operations">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of production due to planned well operations.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="well preventive maint">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of production due to preventive maintenance on a well.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="weather problem">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of production due to weather conditions.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="hse">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of production due to Safety or Emergency requirements.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="strike/lock-out">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of production due to strike or lock-out.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="3rd party processing">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of production due to 3rd party processing.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="daily total loss of prod">
-<xsd:annotation>
 <xsd:documentation>Estimated total loss of production.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="well problems">
-<xsd:annotation>
 <xsd:documentation>Estimated loss of production due well problems.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
 </xsd:restriction>
 </xsd:simpleType>
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-<xsd:simpleType name="SafetyType">
-<xsd:annotation>
 <xsd:documentation>The type of safety issues for which a count can be defined.</xsd:documentation>
 </xsd:annotation>
-<xsd:restriction base="witsml:abstractTypeEnum">
-<xsd:enumeration value="lost time incident">
-<xsd:annotation>
 <xsd:documentation>An incident resulted in an injured employee who required medical treatment and could not return to work the next day.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="lost time accident">
-<xsd:annotation>
 <xsd:documentation>An accident resulting in lost time from work .</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="severe accident">
-<xsd:annotation>
 <xsd:documentation> A type of accident that may challenge safety systems at a level much higher than expected..</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="sick on board">
-<xsd:annotation>
 <xsd:documentation>xxxxxxxxxxxxxxx.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="sent ashore">
-<xsd:annotation>
 <xsd:documentation>xxxxxxxxxxxxxxx.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="restricted work">
-<xsd:annotation>
 <xsd:documentation>xxxxxxxxxxxxxxx.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="first aid">
-<xsd:annotation>
 <xsd:documentation>xxxxxxxxxxxxxxx.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="released to air">
-<xsd:annotation>
 <xsd:documentation>xxxxxxxxxxxxxxx.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="released to water">
-<xsd:annotation>
 <xsd:documentation>xxxxxxxxxxxxxxx.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="near miss">
-<xsd:annotation>
 <xsd:documentation>An incident which, under different circumstances, could have caused injury, illness and/or major damage to/loss of assets, or harm to the environment or to a third party.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="fire">
-<xsd:annotation>
 <xsd:documentation>xxxxxxxxxxxxxxx.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="hazard report card">
-<xsd:annotation>
 <xsd:documentation>xxxxxxxxxxxxxxx.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="safety meeting">
-<xsd:annotation>
 <xsd:documentation>xxxxxxxxxxxxxxx.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="permit with SJA">
-<xsd:annotation>
 <xsd:documentation>Safe Job Analysis.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="total permits">
-<xsd:annotation>
 <xsd:documentation>xxxxxxxxxxxxxxx.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="drill or exercise">
-<xsd:annotation>
 <xsd:documentation>xxxxxxxxxxxxxxx.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="spill or leak">
-<xsd:annotation>
 <xsd:documentation>xxxxxxxxxxxxxxx.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="job observation">
-<xsd:annotation>
 <xsd:documentation>xxxxxxxxxxxxxxx.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="year-to-date incidents">
-<xsd:annotation>
 <xsd:documentation>xxxxxxxxxxxxxxx.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="miscellaneous">
-<xsd:annotation>
 <xsd:documentation>xxxxxxxxxxxxxxx.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
 </xsd:restriction>
 </xsd:simpleType>
<!--
                                                         
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 </xsd:schema>