-<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="cs_location.xsd"/>

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

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

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

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

-<!--

-->

-<xsd:group name="grp_well">

-<xsd:annotation>

<xsd:documentation>The non-contextual content of a WITSML Well object.</xsd:documentation>

</xsd:annotation>

-<xsd:sequence>

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

-<xsd:annotation>

<xsd:documentation>Legal name of the well. </xsd:documentation>

</xsd:annotation>

</xsd:element>

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

-<xsd:annotation>

<xsd:documentation>License number of the well. </xsd:documentation>

</xsd:annotation>

</xsd:element>

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

-<xsd:annotation>

<xsd:documentation>Government assigned well number. </xsd:documentation>

</xsd:annotation>

</xsd:element>

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

-<xsd:annotation>

<xsd:documentation>Date and time license was issued. </xsd:documentation>

</xsd:annotation>

</xsd:element>

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

-<xsd:annotation>

<xsd:documentation>Name of the field in which the well is located. </xsd:documentation>

</xsd:annotation>

</xsd:element>

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

-<xsd:annotation>

<xsd:documentation>Country in which well is located. </xsd:documentation>

</xsd:annotation>

</xsd:element>

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

-<xsd:annotation>

<xsd:documentation>State or province in which well is located. </xsd:documentation>

</xsd:annotation>

</xsd:element>

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

-<xsd:annotation>

<xsd:documentation>County in which the well is located. </xsd:documentation>

</xsd:annotation>

</xsd:element>

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

-<xsd:annotation>

<xsd:documentation>Geo-political region. </xsd:documentation>

</xsd:annotation>

</xsd:element>

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

-<xsd:annotation>

<xsd:documentation>Geo-political district name. </xsd:documentation>

</xsd:annotation>

</xsd:element>

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

-<xsd:annotation>

<xsd:documentation>Block name in which well is located. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="timeZone" type="witsml:timeZone" minOccurs="1" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>The time zone in which well is located. It is the deviation in hours and minutes from UTC. This should be the normal time zone at the well and not a seasonally adjusted value such as daylight savings time.</xsd:documentation>

<xsd:appinfo>Modified-in-version=1.4.0, By-issue=1.3.1-39, Change=Made-mandatory</xsd:appinfo>

<xsd:appinfo>Modified-in-version=1.4.0, By-issue=1.3.1-39, Change=Modified-description</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="operatorDiv" type="witsml:nameString" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Division of operator company. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="pcInterest" type="witsml:dimensionlessMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Interest for Operator. Commonly in percent. </xsd:documentation>

</xsd:annotation>

</xsd:element>

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

-<xsd:annotation>

<xsd:documentation>American Petroleum Institute well number. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="statusWell" type="witsml:WellStatus" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>POSC Well status. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="purposeWell" type="witsml:WellPurpose" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>POSC well purpose. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="fluidWell" type="witsml:WellFluid" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>POSC well fluid. The type of fluid being produced from or injected into a well facility. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="directionWell" type="witsml:WellDirection" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>POSC well direction. The direction of flow of the fluids in a well facility (generally, injected or produced, or some combination). </xsd:documentation>

</xsd:annotation>

</xsd:element>

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

-<xsd:annotation>

<xsd:documentation>Date and time at which well was spudded. </xsd:documentation>

</xsd:annotation>

</xsd:element>

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

-<xsd:annotation>

<xsd:documentation>Date and time at which well was plugged and abandoned. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="wellheadElevation" type="witsml:wellElevationCoord" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Elevation of wellhead relative to a wellDatum. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="wellDatum" type="witsml:cs_wellDatum" minOccurs="0" maxOccurs="unbounded">

-<xsd:annotation>

<xsd:documentation>A vertical datum to which elevations and depths are referenced. </xsd:documentation>

<xsd:appinfo>Modified-in-version=1.4.0, By-issue=1.3-48, Change=Modified-description</xsd:appinfo>

</xsd:annotation>

</xsd:element>

-<xsd:element name="groundElevation" type="witsml:wellElevationCoord" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Elevation of ground level (land rigs). </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="waterDepth" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Depth of water (not land rigs). </xsd:documentation>

<xsd:appinfo>Modified-in-version=1.4.0, By-issue=1.3-46, Change=Changed-type-from:wellVerticalDepthCoord</xsd:appinfo>

</xsd:annotation>

</xsd:element>

-<xsd:element name="wellLocation" type="witsml:cs_location" minOccurs="0" maxOccurs="unbounded">

-<xsd:annotation>

<xsd:documentation>the 2D coordinates of the well surface point in one coordinate reference system. This is where the well crosses ground level on land and crosses the platform offshore. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="wellPublicLandSurveySystemLocation" type="witsml:cs_publicLandSurveySystem" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Township, section, range, quarter, and footage calls for USA Public Land Survey System.</xsd:documentation>

<xsd:appinfo>Modified-in-version=1.4.0, By-issue=1.3.1-15, Change=Added</xsd:appinfo>

</xsd:annotation>

</xsd:element>

-<xsd:element name="referencePoint" type="witsml:cs_referencePoint" minOccurs="0" maxOccurs="unbounded">

-<xsd:annotation>

<xsd:documentation>Defines a reference point within the context of the well. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="wellCRS" type="witsml:cs_wellCRS" minOccurs="0" maxOccurs="unbounded">

-<xsd:annotation>

<xsd:documentation>A coordinate reference system that was used within the context of this well. </xsd:documentation>

</xsd:annotation>

</xsd:element>

</xsd:sequence>

</xsd:group>

</xsd:schema>