-<xsd:schema elementFormDefault="qualified" attributeFormDefault="unqualified" targetNamespace="http://www.witsml.org/schemas/131" version="1.0">
<!--
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<!--
 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.
 -->
<!--
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 <xsd:include schemaLocation="typ_dataTypes.xsd"/>
 <xsd:include schemaLocation="typ_catalog_NEW.xsd"/>
 <xsd:include schemaLocation="typ_baseType_NEW.xsd"/>
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-<xsd:simpleType name="codeString" final="#all">
-<xsd:annotation>
 <xsd:documentation>A community assigned human recognizable short name. This type of value is intended to be unique and is generally a candidate to be constrained to an enumerated list.</xsd:documentation>
 </xsd:annotation>
 <xsd:restriction base="witsml:abstractCodeEnum"> </xsd:restriction>
 </xsd:simpleType>
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-<xsd:complexType name="planeAngleMeasureFromNorth">
-<xsd:annotation>
 <xsd:documentation>The angle of a Y axis from North. This is a variation of planeAngleMeasure for the purpose of defining compass directions. The directions are not restricted to being from north.</xsd:documentation>
 </xsd:annotation>
-<xsd:simpleContent>
-<xsd:extension base="witsml:abstractMeasure">
-<xsd:attribute name="uom" type="witsml:planeAngleUom" use="required">
-<xsd:annotation>
 <xsd:documentation>The unit of measure of the angle value.</xsd:documentation>
 </xsd:annotation>
 </xsd:attribute>
-<xsd:attribute name="northDirection" type="witsml:AziRef" use="optional">
-<xsd:annotation>
 <xsd:documentation>Specifies the direction to be considered North.</xsd:documentation>
 </xsd:annotation>
 </xsd:attribute>
-<xsd:attribute name="originDirection" type="witsml:OriginDirection" use="optional">
-<xsd:annotation>
 <xsd:documentation>Specifies the compass direction of the origin and the direction of the angle from that origin.</xsd:documentation>
 </xsd:annotation>
 </xsd:attribute>
 </xsd:extension>
 </xsd:simpleContent>
 </xsd:complexType>
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-<xsd:simpleType name="publicLandSurveySystemQuarterTownship" final="#all">
-<xsd:annotation>
 <xsd:documentation>Designates a particular quarter of a township.</xsd:documentation>
 </xsd:annotation>
-<xsd:restriction base="witsml:abstractString">
 <xsd:maxLength value="12"/>
 <xsd:pattern value="NE|NW|SW|SE"/>
 </xsd:restriction>
 </xsd:simpleType>
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-<xsd:simpleType name="publicLandSurveySystemQuarterSection" final="#all">
-<xsd:annotation>
 <xsd:documentation>Some combination of NE,NW,SW,SE,N2,S2,E2,W2,C,TRxx,LTnn.</xsd:documentation>
 </xsd:annotation>
-<xsd:restriction base="witsml:abstractString">
 <xsd:maxLength value="12"/>
 <xsd:pattern value="(NE|NW|SW|SE|N2|S2|E2|W2|C|LT[0-9]{2,2}|TR[a-zA-Z0-9]{1,2}){1,3}"/>
 </xsd:restriction>
 </xsd:simpleType>
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-<xsd:simpleType name="carterLandGridFiveMinuteLetter" final="#all">
-<xsd:annotation>
 <xsd:documentation>"A" through "Z" or "AA" through "GG".(</xsd:documentation>
 </xsd:annotation>
-<xsd:restriction base="witsml:abstractString">
 <xsd:maxLength value="2"/>
 <xsd:pattern value="([A-Z]|AA|BB|CC|DD|EE|FF|GG)"/>
 </xsd:restriction>
 </xsd:simpleType>
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-<xsd:simpleType name="carterLandGridFiveMinuteNumber" final="#all">
-<xsd:annotation>
 <xsd:documentation>"0" through "92".(</xsd:documentation>
 </xsd:annotation>
-<xsd:restriction base="witsml:abstractInt">
 <xsd:minInclusive value="0"/>
 <xsd:maxInclusive value="92"/>
 </xsd:restriction>
 </xsd:simpleType>
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-<xsd:simpleType name="carterLandGridOneMinuteNumber" final="#all">
-<xsd:annotation>
 <xsd:documentation>"1" through "25".(</xsd:documentation>
 </xsd:annotation>
-<xsd:restriction base="witsml:abstractInt">
 <xsd:minInclusive value="1"/>
 <xsd:maxInclusive value="25"/>
 </xsd:restriction>
 </xsd:simpleType>
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-<xsd:complexType name="footageNorthSouth">
-<xsd:annotation>
 <xsd:documentation>The distance to a one minute boundary on the north or south of a point.</xsd:documentation>
 </xsd:annotation>
-<xsd:simpleContent>
-<xsd:extension base="witsml:abstractMeasure">
-<xsd:attribute name="uom" type="witsml:FoottUom" use="required">
-<xsd:annotation>
 <xsd:documentation>The unit of measure of the distance value.</xsd:documentation>
 </xsd:annotation>
 </xsd:attribute>
-<xsd:attribute name="ref" type="witsml:NorthOrSouth" use="required">
-<xsd:annotation>
 <xsd:documentation>Specifies the reference line that is the origin of the distance.</xsd:documentation>
 </xsd:annotation>
 </xsd:attribute>
 </xsd:extension>
 </xsd:simpleContent>
 </xsd:complexType>
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-<xsd:complexType name="footageEastWest">
-<xsd:annotation>
 <xsd:documentation>The distance to a one minute boundary on the east or west of a point.</xsd:documentation>
 </xsd:annotation>
-<xsd:simpleContent>
-<xsd:extension base="witsml:abstractMeasure">
-<xsd:attribute name="uom" type="witsml:FoottUom" use="required">
-<xsd:annotation>
 <xsd:documentation>The unit of measure of the distance value.</xsd:documentation>
 </xsd:annotation>
 </xsd:attribute>
-<xsd:attribute name="ref" type="witsml:EastOrWest" use="required">
-<xsd:annotation>
 <xsd:documentation>Specifies the reference line that is the origin of the distance.</xsd:documentation>
 </xsd:annotation>
 </xsd:attribute>
 </xsd:extension>
 </xsd:simpleContent>
 </xsd:complexType>
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-<xsd:simpleType name="FoottUom">
-<xsd:restriction base="witsml:abstractUomEnum">
 <xsd:enumeration value="ft"/>
 </xsd:restriction>
 </xsd:simpleType>
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-<xsd:simpleType name="sectionNumber" final="#all">
-<xsd:annotation>
 <xsd:documentation>Sections are numbered "1" through "36." Irregular sections may be designated with a single value after a decimal point.</xsd:documentation>
 </xsd:annotation>
-<xsd:restriction base="witsml:abstractString">
 <xsd:pattern value="[+]?([1-9]|[1-2][0-9]|3[0-6])\.?[0-9]?"/>
 </xsd:restriction>
 </xsd:simpleType>
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 </xsd:schema>