-<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="attgrp_uid.xsd"/>

<xsd:include schemaLocation="cs_extensionNameValue.xsd"/>

-<!--

-->

-<xsd:complexType name="cs_activity">

-<xsd:annotation>

<xsd:documentation>WITSML - Operations Activity Component Schema </xsd:documentation>

</xsd:annotation>

-<xsd:sequence>

-<xsd:element name="dTimStart" type="witsml:timestamp" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Date and time that activities started. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="dTimEnd" type="witsml:timestamp" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Date and time that activities were completed. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="duration" type="witsml:timeMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>The activity duration (commonly in hours). </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="md" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>The measured depth to the drilling operation.</xsd:documentation>

<xsd:appinfo>Modified-in-version=1.4.0, By-issue=1.3.1-33, Change=Added</xsd:appinfo>

</xsd:annotation>

</xsd:element>

-<xsd:element name="tvd" type="witsml:wellVerticalDepthCoord" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>True Vertical Depth to the drilling operation.</xsd:documentation>

<xsd:appinfo>Modified-in-version=1.4.0, By-issue=1.3.1-33, Change=Added</xsd:appinfo>

</xsd:annotation>

</xsd:element>

-<xsd:element name="phase" type="witsml:kindString" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Phase (large activity classification) e.g. Drill Surface Hole. </xsd:documentation>

<xsd:appinfo>Modified-in-version=1.4.0, By-issue=1.3.1-111, Change=Changed-type-from:str16</xsd:appinfo>

</xsd:annotation>

</xsd:element>

-<xsd:element name="activityCode" type="witsml:ActivityCode" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>A code used to define rig activity.</xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="proprietaryCode" type="witsml:nameStruct" minOccurs="0" maxOccurs="unbounded">

-<xsd:annotation>

<xsd:documentation>A proprietary code used to define rig activity. The name of the proprietary system should be defined in the namingSystem attribute.</xsd:documentation>

<xsd:appinfo>Modified-in-version=1.4.0, By-issue=1.3.1-33, Change=Added</xsd:appinfo>

</xsd:annotation>

</xsd:element>

-<xsd:element name="detailActivity" type="witsml:kindString" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Custom string to further define an activity. </xsd:documentation>

<xsd:appinfo>Modified-in-version=1.4.0, By-issue=1.3.1-111, Change=Changed-type-from:str32</xsd:appinfo>

</xsd:annotation>

</xsd:element>

-<xsd:element name="typeActivityClass" type="witsml:ActivityClassType" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Classifier (Planned, Unplanned, Downtime). </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="mdHoleStart" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Measured Depth at start of activity. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="tvdHoleStart" type="witsml:wellVerticalDepthCoord" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>True Vertical Depth at start of activity </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="mdHoleEnd" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Measured Depth at end of activity. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="tvdHoleEnd" type="witsml:wellVerticalDepthCoord" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>True Vertical Depth at end of activity. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="mdBitStart" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Measured depth of bit at start of activity. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="mdBitEnd" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Measured depth of bit at end of activity. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="state" type="witsml:str32" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Finish, interrupted, failed, etc. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="stateDetailActivity" type="witsml:StateDetailActivity" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>The outcome of the detailed activity.</xsd:documentation>

<xsd:appinfo>Modified-in-version=1.4.0, By-issue=1.3.1-33, Change=Added</xsd:appinfo>

</xsd:annotation>

</xsd:element>

-<xsd:element name="operator" type="witsml:nameString" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Operator company name. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="tubular" type="witsml:refNameString" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>A pointer to the tubular related to this activity.</xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="optimum" type="witsml:logicalBoolean" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Is the activity optimum. Values are "true" (or "1") and "false" (or "0").</xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="productive" type="witsml:logicalBoolean" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Does activity bring closer to objective. Values are "true" (or "1") and "false" (or "0").</xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="itemState" type="witsml:ItemState" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>The item state for the data object. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="comments" type="witsml:commentString" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Comments and Remarks. </xsd:documentation>

</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:appinfo>Modified-in-version=1.4.0, By-issue=1.3.1-71, Change=Added</xsd:appinfo>

</xsd:annotation>

</xsd:element>

</xsd:sequence>

-<xsd:attributeGroup ref="witsml:attgrp_uid">

-<xsd:annotation>

<xsd:documentation>Unique identifier for the activity. </xsd:documentation>

</xsd:annotation>

</xsd:attributeGroup>

</xsd:complexType>

</xsd:schema>