-<xsd:schema elementFormDefault="qualified" attributeFormDefault="unqualified" targetNamespace="http://www.witsml.org/schemas/131" version="1.3.1(NPD)">
<!--
                                                         
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	This file is distributed under the POSC License Agreement at
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 -->
<!--
                                                         
 -->
 <xsd:include schemaLocation="typ_dataTypes.xsd"/>
 <xsd:include schemaLocation="attgrp_uid.xsd"/>
<!--
                                                         
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-<xsd:complexType name="cs_drillReportStratInfo">
-<xsd:sequence>
-<xsd:element name="dTim" type="witsml:timestamp" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Date and time at which a preliminary zonation is established.</xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=DATE OF PRELIMINARY ZONATION"/>
 </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 formation. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=MEASURED DEPTH TO TOP OF FORMATION 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 formation. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=TRUE DEPTH TO TOP OF FORMATION RELATIVE TO RKB - METRE"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="description" type="witsml:descriptionString" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>A lithological description of the geological formation at the given depth.</xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=GEOLOGICAL FORMATION DESCRIPTION AT KICK DEPTH"/>
 </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>