-<xsd:schema elementFormDefault="qualified" attributeFormDefault="unqualified" targetNamespace="http://www.witsml.org/schemas/1series" version="1.4.1.1">

-<!--

-->

-<!--

 Energistics License Agreement
	This file is distributed under the Energistics License Agreement at
	http://www.energistics.org
	Use of this file constitutes agreement with the Energistics License Agreement.
	Copyright (c) 2012 Energistics. All rights reserved.
	Energistics, WITSML, PRODML and RESQML are trademarks or registered trademarks of Energistics.

-->

-<!--

-->

<xsd:include schemaLocation="cs_activity.xsd"/>

<xsd:include schemaLocation="cs_drillingParams.xsd"/>

<xsd:include schemaLocation="cs_wbGeometry.xsd"/>

<xsd:include schemaLocation="cs_dayCost.xsd"/>

<xsd:include schemaLocation="cs_trajectoryStation.xsd"/>

<xsd:include schemaLocation="cs_fluid.xsd"/>

<xsd:include schemaLocation="cs_scr.xsd"/>

<xsd:include schemaLocation="cs_pitVolume.xsd"/>

<xsd:include schemaLocation="cs_mudVolume.xsd"/>

<xsd:include schemaLocation="cs_hse.xsd"/>

<xsd:include schemaLocation="cs_personnel.xsd"/>

<xsd:include schemaLocation="cs_supportCraft.xsd"/>

<xsd:include schemaLocation="cs_weather.xsd"/>

<xsd:include schemaLocation="cs_inventory.xsd"/>

<xsd:include schemaLocation="cs_rigResponse.xsd"/>

<xsd:include schemaLocation="cs_pumpOp.xsd"/>

<xsd:include schemaLocation="cs_shakerOp.xsd"/>

-<!--

-->

-<xsd:group name="grp_opsReport">

-<xsd:annotation>

<xsd:documentation>The non-contextual content of a WITSML Operations Report object.</xsd:documentation>

</xsd:annotation>

-<xsd:sequence>

-<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="dTim" type="witsml:timestamp" minOccurs="1" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Date and time the information is related to. </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="mdReport" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Wellbore Measured Depth. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="tvdReport" type="witsml:wellVerticalDepthCoord" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Wellbore True Vertical Depth. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="distDrill" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Distance drilled since last report. </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="mdPlanned" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Measured depth of plan for this day number. </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="ropCurrent" type="witsml:velocityMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Rate of penetration at report time. </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="activity" type="witsml:cs_activity" minOccurs="0" maxOccurs="unbounded">

-<xsd:annotation>

<xsd:documentation>Activity breakdown, multiple for many activities. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="drillingParams" type="witsml:cs_drillingParams" minOccurs="0" maxOccurs="unbounded">

-<xsd:annotation>

<xsd:documentation>Average bottom hole assembly parameters for report duration or actual instances of bottom hole assembly operations. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="wbGeometry" type="witsml:cs_wbGeometry" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Record of actual hole geometry at report time. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="dayCost" type="witsml:cs_dayCost" minOccurs="0" maxOccurs="unbounded">

-<xsd:annotation>

<xsd:documentation>Cost item for the report interval. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="trajectoryStation" type="witsml:cs_trajectoryStation" minOccurs="0" maxOccurs="unbounded">

-<xsd:annotation>

<xsd:documentation>Survey station recorded during the report interval. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="fluid" type="witsml:cs_fluid" minOccurs="0" maxOccurs="unbounded">

-<xsd:annotation>

<xsd:documentation>One fluid record. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="scr" type="witsml:cs_scr" minOccurs="0" maxOccurs="unbounded">

-<xsd:annotation>

<xsd:documentation>Slow circulation rate pressure test for well control operations. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="pitVolume" type="witsml:cs_pitVolume" minOccurs="0" maxOccurs="unbounded">

-<xsd:annotation>

<xsd:documentation>Pit volume record for the report interval. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="mudVolume" type="witsml:cs_mudVolume" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Description of mud built, received, etc. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="mudInventory" type="witsml:cs_inventory" minOccurs="0" maxOccurs="unbounded">

-<xsd:annotation>

<xsd:documentation>Mud inventory item and cost for the report interval. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="bulk" type="witsml:cs_inventory" minOccurs="0" maxOccurs="unbounded">

-<xsd:annotation>

<xsd:documentation>Bulk item usage and cost. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="rigResponse" type="witsml:cs_rigResponse" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Average rig response readings for the day. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="pumpOp" type="witsml:cs_pumpOp" minOccurs="0" maxOccurs="unbounded">

-<xsd:annotation>

<xsd:documentation>Pump rate/pressure reading. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="shakerOp" type="witsml:cs_shakerOp" minOccurs="0" maxOccurs="unbounded">

-<xsd:annotation>

<xsd:documentation>Container element for shaker operation elements. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="hse" type="witsml:cs_hse" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Health, safety and environmental information. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="personnel" type="witsml:cs_personnel" minOccurs="0" maxOccurs="unbounded">

-<xsd:annotation>

<xsd:documentation>Personnel records. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="supportCraft" type="witsml:cs_supportCraft" minOccurs="0" maxOccurs="unbounded">

-<xsd:annotation>

<xsd:documentation>Support craft object container element. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="weather" type="witsml:cs_weather" minOccurs="0" maxOccurs="unbounded">

-<xsd:annotation>

<xsd:documentation>Metrological readings for the day. </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="diaHole" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Hole diameter. </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="lithology" type="witsml:str32" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Lithology for the Interval. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="nameFormation" type="witsml:nameString" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Name of formation. </xsd:documentation>

<xsd:appinfo>Modified-in-version=1.4.1.1, By-issue=WCR-2012-0006, Change=Changed-type-from:str32</xsd:appinfo>

</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: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: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: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:element name="sum24Hr" type="witsml:descriptionString" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>24 hour summary description. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="forecast24Hr" type="witsml:descriptionString" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Forecast for next 24 hrs. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="statusCurrent" type="witsml:descriptionString" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Current status description. </xsd:documentation>

</xsd:annotation>

</xsd:element>

</xsd:sequence>

</xsd:group>

</xsd:schema>