-<xsd:schema elementFormDefault="qualified" attributeFormDefault="unqualified" targetNamespace="http://www.witsml.org/schemas/131" version="1.3.1">
<!--
 -->
<!--
 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.
 -->
<!--
 -->
 <xsd:include schemaLocation="typ_dataTypes.xsd"/>
 <xsd:include schemaLocation="attgrp_uid.xsd"/>
<!--
 -->
-<xsd:complexType name="cs_cementAdditive">
-<xsd:annotation>
 <xsd:documentation> WITSML - Cement Additive Component Schema </xsd:documentation>
 </xsd:annotation>
-<xsd:sequence>
-<xsd:element name="nameAdd" type="witsml:str32" minOccurs="1" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Additive name. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="typeAdd" type="witsml:str32" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Additive type or Function (Retarder, Visosifier, Weighting agent). </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="formAdd" type="witsml:str16" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Wet or Dry. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="densAdd" type="witsml:densityMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Additive density. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:choice minOccurs="1" maxOccurs="1">
-<xsd:sequence>
-<xsd:element name="typeConc" type="witsml:str16" minOccurs="1" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>ConcentrationType: %BWOC (%By weight of Cement), %BWOB (%By weight of blend), %BWOW (%By weight of water), %BWOBF (%By weight of base fluid) </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="concentration" type="witsml:massConcentrationMeasure" minOccurs="1" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Concentration Amount: unit type depends of typeConc. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
 </xsd:sequence>
-<xsd:element name="wtSack" type="witsml:massMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Concentration in terms of weight per sack.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
-<xsd:element name="volSack" type="witsml:volumeMeasure" minOccurs="0" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Concentration in terms of volume per sack.</xsd:documentation>
 </xsd:annotation>
 </xsd:element>
 </xsd:choice>
-<xsd:element name="additive" type="witsml:massMeasure" minOccurs="1" maxOccurs="1">
-<xsd:annotation>
 <xsd:documentation>Additive Amount. </xsd:documentation>
 </xsd:annotation>
 </xsd:element>
 </xsd:sequence>
-<xsd:attributeGroup ref="witsml:attgrp_uid">
-<xsd:annotation>
 <xsd:documentation>Unique identifier for the additive. </xsd:documentation>
 </xsd:annotation>
 </xsd:attributeGroup>
 </xsd:complexType>
 </xsd:schema>