-<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="typ_dataTypes_NEW.xsd"/>
 <xsd:include schemaLocation="attgrp_uid.xsd"/>
<!--
                                                         
 -->
-<xsd:complexType name="cs_drillReportGasReadingInf">
-<xsd:sequence>
-<xsd:element name="dTim" type="witsml:timestamp" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Date and time of the gas reading.</xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=TODO"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="readingType" type="witsml:GasPeakType" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Type of gas reading. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=TODO"/>
 </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 interval. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=TODO"/>
 </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 test interval. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=TODO"/>
 </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 interval. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=TODO"/>
 </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 interval. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=TODO"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="gasHigh" type="witsml:volumePerVolumeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The highest gas reading. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=TODO"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="gasLow" type="witsml:volumePerVolumeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The lowest gas reading. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=TODO"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="meth" type="witsml:volumePerVolumeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Methane (C1) concentration. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=TODO"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="eth" type="witsml:volumePerVolumeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Ethane (C2) concentration. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=TODO"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="prop" type="witsml:volumePerVolumeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Propane (C3) concentration. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=TODO"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="ibut" type="witsml:volumePerVolumeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>iso-Butane (iC4) concentration. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=TODO"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="nbut" type="witsml:volumePerVolumeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>nor-Butane (nC4) concentration. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=TODO"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="ipent" type="witsml:volumePerVolumeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>iso-Pentane (iC5) concentration. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=TODO"/>
 </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>