-<xsd:schema elementFormDefault="qualified" attributeFormDefault="unqualified" targetNamespace="http://www.witsml.org/schemas/131" version="1.3.1">
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 <xsd:include schemaLocation="cs_errorReport.xsd"/>
 <xsd:include schemaLocation="cs_singleInstalledPoint.xsd"/>
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-<xsd:annotation>
 <xsd:documentation>DTS Measurement Type</xsd:documentation>
 </xsd:annotation>
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-<xsd:group name="grp_dtsMeasurement">
-<xsd:annotation>
 <xsd:documentation>The information content of a DTS temperature run is captured in the following elements, and in the referenced dtsInstalledFiber (for context) and the reference well log (captures the table of data).</xsd:documentation>
 </xsd:annotation>
-<xsd:sequence>
-<xsd:element name="runDuration" type="witsml:timeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The length of time that the instrument box was operating while collecting DTS data.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="installedSystemUsed" type="witsml:refNameString" minOccurs="1" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>A reference to the installed system that was used to make the measurements.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="dataInWellLog" type="witsml:refNameString" minOccurs="1" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>A reference to the well log used to record the table of data.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="connectedToFiber" type="witsml:refNameString" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>A reference to the fiber used to record the table of data. This is necessary only in the cases in which a dtsInstalledSystem has a multi-fiber installation. If there is only a single installed fiber, this element is unnecessary.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="fiberEndConnected" type="witsml:refNameString" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>A pointer to the fiber connection node. If more than one node is available for a well/wellbore, this element is used to specify which node is connected to the instrument box. This name should correspond to the fiberEndPoint/name that is recorded in the installed system object.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="fiberDefinedPoint" type="witsml:cs_singleInstalledPoint" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>A known point of the fiber. This point should correspond to one that is given in the wellboreFiberSchematic, so that the relationship between the length of fiber values in the wellboreFiberSchematic can be related to the values in the measurement table.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="errorReport" type="witsml:cs_errorReport" minOccurs="0" maxOccurs="unbounded">
-<xsd:annotation>
 <xsd:documentation>An error that occurred during the measurement.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
 </xsd:sequence>
 </xsd:group>
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 </xsd:schema>