-<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_stimAdditive.xsd"/>
 <xsd:include schemaLocation="cs_stimFlowPath.xsd"/>
 <xsd:include schemaLocation="cs_stimPdatSession.xsd"/>
 <xsd:include schemaLocation="cs_stimReservoirInterval.xsd"/>
 <xsd:include schemaLocation="cs_stimPerforationSet.xsd"/>
 <xsd:include schemaLocation="cs_stimProppantUsage.xsd"/>
 <xsd:include schemaLocation="cs_stimShutInPressure.xsd"/>
 <xsd:include schemaLocation="cs_extensionNameValue.xsd"/>
 <xsd:include schemaLocation="attgrp_uid.xsd"/>
<!--
 -->
-<xsd:complexType name="cs_stimJobInterval">
-<xsd:annotation>
 <xsd:documentation>Information for a well stimulation job treatment interval</xsd:documentation>
 <xsd:appinfo>Modified-in-version=1.4.1, By-issue=W-CR-010, Change=Added</xsd:appinfo>
 </xsd:annotation>
-<xsd:sequence>
-<xsd:element name="uidTreatmentInterval" type="witsml:uidString" minOccurs="1" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Identifier for the stimulation treatment interval unique to the stimulation job.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="name" type="witsml:nameString" minOccurs="1" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Human recognizable context for the well stimulation treatment name.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="number" type="witsml:nonNegativeCount" minOccurs="1" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The treatment number associated with this interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="dTimStart" type="witsml:timestamp" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Starting date and time for the stimulation treatment interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="dTimEnd" type="witsml:timestamp" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Ending date and time for the stimulation treatment interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="formationName" type="witsml:commentString" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The name of the formation being stimulated.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="mdFormationTop" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Measured depth of the top of the formation.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="mdFormationBottom" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Measured depth of the bottom of the formation.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="tvdFormationTop" type="witsml:wellVerticalDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>True vertical depth of the top of the formation.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="tvdFormationBottom" type="witsml:wellVerticalDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>True vertical depth of the bottom of the formation.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="openHoleName" type="witsml:nameString" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>A name for the open hole. To be used for open hole completions.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="openHoleDiameter" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The diameter of the open hole.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="mdOpenHoleTop" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Measured depth of the top open hole.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="mdOpenHoleBottom" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Measured depth of the bottom open hole.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="tvdOpenHoleTop" type="witsml:wellVerticalDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>True vertical depth of the top open hole.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="tvdOpenHoleBottom" type="witsml:wellVerticalDepthCoord" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>True vertical depth of the bottom open hole.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="totalFrictionPresLoss" type="witsml:pressureMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The total friction pressure loss.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="totalPumpTime" type="witsml:timeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The total pumping time for the treatment treatment interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="maxPresTubing" type="witsml:pressureMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The highest tubing pressure of any stage for the treatment interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="maxPresCasing" type="witsml:pressureMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The highest casing pressure of any stage for the treatment interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="maxPresAnnulus" type="witsml:pressureMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The highest annulus pressure of any stage for the treatment interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="maxFluidRateTubing" type="witsml:volumeFlowRateMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Maximum tubing fluid pumping rate of any stage for the treatment interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="maxFluidRateCasing" type="witsml:volumeFlowRateMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Maximum casing fluid pumping rate of any stage for the treatment interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="maxFluidRateAnnulus" type="witsml:volumeFlowRateMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Maximum annulus fluid pumping rate of any stage for the treatment interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="avgPresTubing" type="witsml:pressureMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The average tubing pressure of any stage for the treatment interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="avgPresCasing" type="witsml:pressureMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The average casing pressure of any stage for the treatment interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="avgPresAnnulus" type="witsml:pressureMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The average annulus pressure for any stage for the treatment interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="breakDownPres" type="witsml:pressureMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The pressure at which the formation fractures and accepts injected fluid.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="averagePres" type="witsml:pressureMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The average pressure for the treatment interval across stages for all flowpaths for the treatment.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="avgBaseFluidReturnRate" type="witsml:volumeFlowRateMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Average base fluid pumping rate of all stages for the treatment interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="avgSlurryReturnRate" type="witsml:volumeFlowRateMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Average slurry pumping rate of all stages for the treatment interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="avgBottomholeRate" type="witsml:volumeFlowRateMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Average bottomhole treatment flow rate.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="totalVolume" type="witsml:volumeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Total volume pumped for the interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="maxProppantConcSurface" type="witsml:densityMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The maximum proppant concentration on the surface.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="maxProppantConcBottomhole" type="witsml:densityMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The maximum proppant concentration at the bottom of the wellbore.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="avgProppantConcSurface" type="witsml:densityMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The average proppant concentration on the surface.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="avgProppantConcBottomhole" type="witsml:densityMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The average proppant concentration at the bottom of the hole.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="perfproppantConc" type="witsml:densityMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The proppant concentration at the perforations.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="totalProppantMass" type="witsml:massMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The total mass of proppant used in the interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="totalProppantUsage" type="witsml:cs_stimProppantUsage" minOccurs="0" maxOccurs="unbounded">
-<xsd:annotation>
 <xsd:documentation>The total mass of a particular proppant used in an interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="percentProppantPumped" type="witsml:volumePerVolumeMeasurePercent" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Total proppant mass used as a percent of the design mass.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="wellboreProppantMass" type="witsml:massMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The weight of proppant left in the wellbore after pumping has stopped.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="proppantName" type="witsml:nameString" minOccurs="0" maxOccurs="unbounded">
-<xsd:annotation>
 <xsd:documentation>Name of the proppant used for the treatment interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="formationProppantMass" type="witsml:massMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The weight of proppant placed in the formation.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="perfBallCount" type="witsml:nonNegativeCount" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Total number of perforation balls used in the stimulation job.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="totalN2StdVolume" type="witsml:standardVolumeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Volume of nitrogen used in the treatment interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="totalCO2Mass" type="witsml:massMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Mass of carbon dioxide used in the treatment interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="fluidName" type="witsml:nameString" minOccurs="0" maxOccurs="unbounded">
-<xsd:annotation>
 <xsd:documentation>The names of the each fluid used in this interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="fractureGradient" type="witsml:forcePerVolumeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The formation fracture gradient for this treatment interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="finalFractureGradient" type="witsml:forcePerVolumeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The formation fracture gradient for this treatment interval after treatment.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="initialShutinPres" type="witsml:pressureMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The initial shutin pressure.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="shutinPres" type="witsml:cs_stimShutInPressure" minOccurs="0" maxOccurs="unbounded">
-<xsd:annotation>
 <xsd:documentation>The final shutin pressure at a timespan after shutin.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="screenOutPres" type="witsml:pressureMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The screen out pressure.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="hhpOrderedCO2" type="witsml:powerMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Carbon dioxide hydraulic horsepower ordered for the interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="hhpOrderedFluid" type="witsml:powerMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Fluid hydraulic horsepower ordered for the interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="hhpUsedCO2" type="witsml:powerMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Carbon dioxide hydraulic horsepower actually used for the interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="hhpUsedFluid" type="witsml:powerMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Fluid hydraulic horsepower actually used for the interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="perfBallSize" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The size of the perforation balls used.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="screenedOut" type="witsml:logicalBoolean" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Boolean as to whether or not screen out occurred. True ("true" or "1") indicates that screen out occurred. False ("false" or "0") or not given indicates otherwise.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="avgFractureWidth" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Average fracture width created during the treatment during the stimulation services.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="avgConductivity" type="witsml:velocityMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Average conductivity of fracture created during the treatment supported by proppant during the stimulation services Hydraulic conductivity, symbolically represented as K, is a property of vascular plants, soil or rock, that describes the ease with which water can move through pore spaces or fractures. It depends on the intrinsic permeability of the material and on the degree of saturation. Saturated hydraulic conductivity, Ksat, describes water movement through saturated media.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="netPres" type="witsml:pressureMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The difference between the pressure which holds a fracture closed (minimal principal stress) and that pressure which is necessary to open the fracture.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="closurePres" type="witsml:pressureMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>An analysis parameter used in hydraulic fracture design to indicate the pressure at which the fracture effectively closes without proppant in place.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="closureDuration" type="witsml:timeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Delta time recorded for the closure of the fracture to occur during the stimulation services.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="flowPath" type="witsml:cs_stimFlowPath" minOccurs="0" maxOccurs="unbounded">
-<xsd:annotation>
 <xsd:documentation>The flow paths of this stimulation job treatment interval.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="pdatSession" type="witsml:cs_stimPdatSession" minOccurs="0" maxOccurs="unbounded">
-<xsd:annotation>
 <xsd:documentation>A pumping diagnostics session.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="reservoirInterval" type="witsml:cs_stimReservoirInterval" minOccurs="0" maxOccurs="unbounded">
-<xsd:annotation>
 <xsd:documentation>Reservoir Interval Component Schema.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="perforationInterval" type="witsml:cs_stimPerforationSet" minOccurs="0" maxOccurs="unbounded">
-<xsd:annotation>
 <xsd:documentation>A set of perforations being stimulated.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="avgBHStaticTemperature" type="witsml:thermodynamicTemperatureMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The average static temperature of the wellbore injection point(s) or formation at equilibrium (steady state) with no fluid or tool movement, allowing for equilibrium conditions at the wellbore injection point; (BHST: bottom hole static temperature). </xsd:documentation>
 <xsd:appinfo>Modified-in-version=1.4.1.1, By-issue=WCR-2012-0003, Change=Added</xsd:appinfo>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="avgBHTreatingTemperature" type="witsml:thermodynamicTemperatureMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The average measured or calculated temperature of the wellbore during the treating with well fluid injection or circulation of the wellbore at the point of interest. Point of interest is generally the injection point or region of interest for the test or treatment.</xsd:documentation>
 <xsd:appinfo>Modified-in-version=1.4.1.1, By-issue=WCR-2012-0003, Change=Added</xsd:appinfo>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="additive" type="witsml:cs_stimAdditive" minOccurs="0" maxOccurs="unbounded">
-<xsd:annotation>
 <xsd:documentation>Additives used in the fluid.</xsd:documentation>
 <xsd:appinfo>Modified-in-version=1.4.1.1, By-issue=WCR-2012-0032, Change=Added</xsd:appinfo>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="extensionNameValue" type="witsml:cs_extensionNameValue" minOccurs="0" maxOccurs="unbounded">
-<xsd:annotation>
 <xsd:documentation>Extensions to the schema based on a name-value construct.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
 </xsd:sequence>
-<xsd:attributeGroup ref="witsml:attgrp_uid">
-<xsd:annotation>
 <xsd:documentation>Unique identifier that has been assigned to the (XML) node.</xsd:documentation>
 </xsd:annotation>
 </xsd:attributeGroup>
 </xsd:complexType>
<!--
 -->
 </xsd:schema>