-<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="cs_wellAlias.xsd"/>
 <xsd:include schemaLocation="typ_dataTypes.xsd"/>
 <xsd:include schemaLocation="attgrp_uid.xsd"/>
<!--
                                                         
 -->
-<xsd:complexType name="cs_drillReportStatusInfo">
-<xsd:sequence>
-<xsd:element name="dTim" type="witsml:timestamp" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>the date and time that for which the well status is reported.</xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=DATE OF REPORTED STATUS"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="md" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Wellbore measured depth at the end of the report period.</xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=MEASURED DEPTH OF BOREHOLE RELATIVE RKB AT END REPORTING PERIOD - METRE"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="tvd" type="witsml:wellVerticalDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Wellbore true vertical depth at the end of the report.</xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=TRUE VERTICAL DEPTH OF BOREHOLE RELATIVE TO RKB AT END OF REPORTING PERIOD - METRE"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="mdPlugTop" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The measured plug back depth.</xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=MEASURED PLUG BACK DEPTH RELATIVE RKB - METRE"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="diaHole" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Hole nominal inside diameter. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=BOREHOLE NOMINAL INSIDE DIAMETER AT REPORTING TIME - INCH"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="mdDiaHoleStart" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The measured depth to the start of the current hole diameter.</xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=MEASURED DEPTH TO CHANGE IN BOREHOLE NOMINAL DIAMETER RELATIVE TO RKB - METRE"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="diaPilot" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Pilot hole nominal inside diameter at reporting time. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=PILOT HOLE NOMINAL INSIDE DIAMETER AT REPORTING TIME - INCHES"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="mdDiaPilotPlan" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The planned measured depth of the pilot hole.</xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=PLANNED MEASURED DEPTH OF PILOT HOLE RELATIVE TO RKB - METRE"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="tvdDiaPilotPlan" type="witsml:wellVerticalDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The planned true vertical depth of the pilot hole.</xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=PLANNED TRUE DEPTH OF PILOT HOLE RELATIVE TO RKB - METRE"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="typeWellbore" type="witsml:WellboreType" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Type of wellbore. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=SIDE TRACK INDICATOR"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="mdKickoff" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Measured depth to the kickoff point of the wellbore.</xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=MEASURED DEPTH AT KICK OFF POINT FOR WELL SIDE TRACK RELATIVE TO RKB - METRE"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="tvdKickoff" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>True vertical depth to the kickoff point of the wellbore.</xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=TRUE VERTICAL DEPTH AT KICK OFF POINT FOR WELL SIDE TRACK RELATIVE TO RKB - METRE"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="parentWellbore" type="witsml:cs_wellAlias" minOccurs="0" maxOccurs="unbounded">
-<xsd:annotation>
 <xsd:documentation>The name of the parent wellbore. This is the wellbore from which the current wellbore kickedoff.</xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=TODO"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="strengthForm" type="witsml:densityMeasure" minOccurs="0" maxOccurs="unbounded">
-<xsd:annotation>
 <xsd:documentation>The measured formation strength. This should be the final measurement before the end of the report period.</xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=MEASURED FORMATION STRENGTH AT DEPTH - G PER CM3"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="mdStrengthForm" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The measured depth of the formation strength measuement.</xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=MEASURED DEPTH AT FORMATION STRENGTH MEASURING POINT RELATIVE TO RKB - METRE"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="tvdStrengthForm" type="witsml:wellVerticalDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The true vertical depth of the formation strength measuement.</xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=TRUE VERTICAL DEPTH AT FORMATION STRENGTH MEASURING POINT RELATIVE TO RKB - METRE"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="diaCsgLast" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Diameter of last casing. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=NOMINAL OUTSIDE DIAMETER OF THE LAST INSTALLED WELL CASING STRING - INCHES"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="mdCsgLast" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Measured depth of last casing. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=MEASURED DEPTH TO CASING GUIDE SHOE RELATIVE RKB - METRE"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="tvdCsgLast" type="witsml:wellVerticalDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>True vertical depth of last casing. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=TRUE VERTICAL DEPTH OF BOREHOLE TO CASING GUIDE SHOE RELATIVE TO RKB - METRE"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="presTestType" type="witsml:PresTestType" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The type of pressure test that was run during this reporting period.</xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=DAILY DRILLING REPORT WELL PRESSURE TEST CLASS"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="mdPlanned" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Measured depth of plan for this day number (report period). </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=DEVIATION FROM DRILLING PLAN - HOURS"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="distDrill" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Distance drilled during this reporting period. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=MEASURED DEPTH DRILLED IN WELL LAST 24 HOURS - METRE"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="elevKelly" type="witsml:wellElevationCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Elevation of the rotary kelly bushing. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=DISTANCE FROM ROTARY KELLY BUSHING TO MEAN SEA LEVEL - METRE"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="sum24Hr" type="witsml:descriptionString" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>A summary that sumarizes the activities performed and the status of the ongoing activities from the reporting period.</xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=LAST 24 HOURS DRILLING ACTIVITIES SUMMARY"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="forecast24Hr" type="witsml:descriptionString" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>A summary that sumarizes the planned activities the next reporting period. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=NEXT 24 HOURS PLANNED DRILLING ACTIVITIES SUMMARY"/>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="ropCurrent" type="witsml:velocityMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Rate of penetration at the end of the reporting period. </xsd:documentation>
 <xsd:appinfo source="http://rds.posccaesar.com/owl/iso15926?class=DRILL BIT RATE OF PENETRATION AT END OF REPORTING PERIOD - METRE PER HOUR"/>
 </xsd:annotation>
 </xsd:element>
<!--
 =============== Beginning of old elements. =============== 
 -->
-<xsd:element name="rig" type="witsml:refNameString" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>A pointer to the rig utilized in this reporting period. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="eTimStart" type="witsml:timeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Time from start of Operations (commonly in days). </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="eTimSpud" type="witsml:timeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Time since bit broke ground (commonly in days). </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="eTimLoc" type="witsml:timeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Time rig on location (commonly in days). </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="eTimDrill" type="witsml:timeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Drilling time. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="ropAv" type="witsml:velocityMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Average Rate of Penetration through Interval. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="supervisor" type="witsml:nameString" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Name of operator rig supervisor. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="engineer" type="witsml:nameString" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Nae of Engineer. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="geologist" type="witsml:nameString" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Name of operator wellsite geologist. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="eTimDrillRot" type="witsml:timeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Time spent rotary drilling for report interval. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="eTimDrillSlid" type="witsml:timeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Time spent slide drilling from start of bit run. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="eTimCirc" type="witsml:timeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Time spent circulating from start of bit run. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="eTimReam" type="witsml:timeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Time spent reaming from start of bit run. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="eTimHold" type="witsml:timeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Time spent with no DD work (commonly in hours). </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="eTimSteering" type="witsml:timeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Time spent steering bottom hole assembly (commonly in hours). </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="distDrillRot" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Distance drilled - rotating. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="distDrillSlid" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Distance drilled - sliding. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="distReam" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Distance reamed. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="distHold" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Distance covered while holding angle with a steerable drilling assembly. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="distSteering" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Distance covered while actively steering with a steerable drilling assembly. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="numPob" type="witsml:nonNegativeCount" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Total number of personnel on board. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="numContract" type="witsml:nonNegativeCount" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Number of contractor personnel on board. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="numOperator" type="witsml:nonNegativeCount" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Number of Operator personnel on board. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="numService" type="witsml:nonNegativeCount" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Number of service company personnel on board. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="numAFE" type="witsml:str32" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>AFE (authorization for expenditure) number that this cost item applies to. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="costDay" type="witsml:cost" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Daily Cost. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="costDayMud" type="witsml:cost" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Daily Mud Cost. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="conditionHole" type="witsml:str32" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Hole condition description. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="tvdLot" type="witsml:wellVerticalDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>True vertical depth of leak off test point. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="presLotEmw" type="witsml:densityMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Leak off test equivalent mud weight. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="presKickTol" type="witsml:pressureMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Kick tolerance pressure. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="volKickTol" type="witsml:volumeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Kick tolerance volume. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="maasp" type="witsml:pressureMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Maximum allowable shut-in casing pressure. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="tubular" type="witsml:refNameString" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>A pointer to the tubular (assembly) used in this report period. This represents a foreign key to tubular. </xsd:documentation>
 </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>