-<xsd:schema elementFormDefault="qualified" attributeFormDefault="unqualified" targetNamespace="http://www.witsml.org/schemas/131" version="1.3.1(NPD)">
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 -->
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 <xsd:include schemaLocation="typ_dataTypes.xsd"/>
 <xsd:include schemaLocation="attgrp_uid.xsd"/>
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-<xsd:complexType name="cs_wellAlias">
-<xsd:annotation>
 <xsd:documentation>A common way for handling names of objects. An identifier type must include a Name. It may also include a NamingSystem, which gives meaning to the name. </xsd:documentation>
 </xsd:annotation>
-<xsd:sequence>
-<xsd:element name="name" type="witsml:nameString" minOccurs="1" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>A human contextual name of a well. This should (hopefully) be unique within the context of the naming system.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="namingSystem" type="witsml:WellNamingSystem" minOccurs="1" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>The naming system under which the well is defined. Knowledge of the naming system may allow the hame to be parsed for embeded information.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
 </xsd:sequence>
-<xsd:attributeGroup ref="witsml:attgrp_uid">
-<xsd:annotation>
 <xsd:documentation>Unique identifier for the element. </xsd:documentation>
 </xsd:annotation>
 </xsd:attributeGroup>
 </xsd:complexType>
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-<xsd:simpleType name="WellNamingSystem">
-<xsd:annotation>
 <xsd:documentation>The types of well/wellbore naming systems.</xsd:documentation>
 </xsd:annotation>
-<xsd:restriction base="witsml:abstractTypeEnum">
-<xsd:enumeration value="DTI">
-<xsd:annotation>
 <xsd:documentation>United Kingdom Department of Trade and Industry</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="API">
-<xsd:annotation>
 <xsd:documentation>American Petroleum Institute well number (10,12 or 14 digits).</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="NPD code">
-<xsd:annotation>
 <xsd:documentation>Norwegian Petroleum Directorate wellbore code</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="NPD number">
-<xsd:annotation>
 <xsd:documentation>Norwegian Petroleum Directorate wellbore number</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="local field">
-<xsd:annotation>
 <xsd:documentation>A name assigned that is meaningful within the context of the field in which it is located. There are not specifications on how to form this name.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="prospect">
-<xsd:annotation>
 <xsd:documentation>A name assigned to a prospect - a well that has not yet been drilled.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
-<xsd:enumeration value="unknown">
-<xsd:annotation>
 <xsd:documentation>The naming system is not known.</xsd:documentation>
 </xsd:annotation>
 </xsd:enumeration>
 </xsd:restriction>
 </xsd:simpleType>
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 </xsd:schema>