-<xsd:schema elementFormDefault="qualified" attributeFormDefault="unqualified" targetNamespace="http://www.witsml.org/schemas/131" version="1.3.1(NPD)">
<!--
                                                         
 -->
<!--
 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.
	
 -->
<!--
                                                         
 -->
 <xsd:include schemaLocation="typ_dataTypes.xsd"/>
 <xsd:include schemaLocation="attgrp_uid.xsd"/>
<!--
                                                         
 -->
-<xsd:complexType name="cs_drillReportPerfInfo">
-<xsd:sequence>
-<xsd:element name="dTimOpen" type="witsml:timestamp" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The date and time at which the well perforation interval is opened.</xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=DATE FOR OPENING OF WELL PERFORATION INTERVAL"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="dTimClose" type="witsml:timestamp" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The date and time at which the well perforation interval is closed.</xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=DATE FOR CLOSING OF WELL PERFORATION INTERVAL"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="mdTop" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Measured depth at the top of the perforation interval. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=MEASURED DEPTH TO TOP OF PERFORATION INTERVAL RELATIVE TO RKB - METRE"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="mdBottom" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Measured depth at the bottom of the perforation interval. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=MEASURED DEPTH TO BOTTOM OF PERFORATION INTERVAL RELATIVE TO RKB - METRE"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="tvdTop" type="witsml:wellVerticalDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>True vertical depth at the top of the perforation interval. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=TRUE VERTICAL DEPTH TO TOP OF PERFORATION INTERVAL RELATIVE TO RKB - METRE"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="tvdBottom" type="witsml:wellVerticalDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>True vertical depth at the bottom of the perforation interval. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=TRUE VERTICAL DEPTH TO BOTTOM OF PERFORATION INTERVAL RELATIVE TO RKB - METRE"/>
 </xsd:annotation>
 </xsd:element>
 </xsd:sequence>
-<xsd:attributeGroup ref="witsml:attgrp_uid">
-<xsd:annotation>
 <xsd:documentation>Unique identifier for the activity. </xsd:documentation>
 </xsd:annotation>
 </xsd:attributeGroup>
 </xsd:complexType>
 </xsd:schema>