[16] | 1 | <?xml version="1.0" encoding="UTF-8"?> |
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| 2 | <xsd:schema |
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| 3 | elementFormDefault="qualified" |
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| 4 | attributeFormDefault="unqualified" |
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| 5 | targetNamespace="http://www.witsml.org/schemas/131" |
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| 6 | xmlns:witsml="http://www.witsml.org/schemas/131" |
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| 7 | xmlns:xsd="http://www.w3.org/2001/XMLSchema" |
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| 8 | version="1.3.1"> |
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| 9 | <!-- --> |
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| 10 | <!-- POSC License Agreement |
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| 11 | This file is distributed under the POSC License Agreement at |
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| 12 | http://www.posc.org/about/license.shtml. |
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| 13 | Use of this file constitutes agreement with the POSC License Agreement. |
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| 14 | --> |
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| 15 | <!-- --> |
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| 16 | <xsd:include schemaLocation="typ_dataTypes.xsd"/> |
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| 17 | <xsd:include schemaLocation="cs_axisDefinition.xsd"/> |
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| 18 | <xsd:include schemaLocation="attgrp_uid.xsd"/> |
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| 19 | <!-- --> |
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| 20 | <xsd:complexType name="cs_logCurveInfo"> |
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| 21 | <xsd:annotation> |
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| 22 | <xsd:documentation>WITSML Log - Curve Information</xsd:documentation> |
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| 23 | </xsd:annotation> |
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| 24 | <xsd:sequence> |
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| 25 | <xsd:element name="mnemonic" type="witsml:str32" minOccurs="1" maxOccurs="1"> |
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| 26 | <xsd:annotation> |
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| 27 | <xsd:documentation>The curve name. |
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| 28 | This must be unique for all curves in a log.</xsd:documentation> |
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| 29 | </xsd:annotation> |
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| 30 | </xsd:element> |
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| 31 | <xsd:element name="classWitsml" type="witsml:RealtimeData" minOccurs="0" maxOccurs="1"> |
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| 32 | <xsd:annotation> |
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| 33 | <xsd:documentation>The curve classification obtained from a lookup in the vendors |
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| 34 | mnemonic catalog. </xsd:documentation> |
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| 35 | </xsd:annotation> |
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| 36 | </xsd:element> |
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| 37 | <xsd:element name="unit" type="witsml:uomString" minOccurs="0" maxOccurs="1"> |
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| 38 | <xsd:annotation> |
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| 39 | <xsd:documentation>Unit of measurement of the data values. </xsd:documentation> |
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| 40 | </xsd:annotation> |
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| 41 | </xsd:element> |
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| 42 | <xsd:element name="mnemAlias" type="witsml:str32" minOccurs="0" maxOccurs="1"> |
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| 43 | <xsd:annotation> |
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| 44 | <xsd:documentation>Name alias for this trace. </xsd:documentation> |
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| 45 | </xsd:annotation> |
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| 46 | </xsd:element> |
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| 47 | <xsd:element name="nullValue" type="witsml:encodedValueString" minOccurs="0" maxOccurs="1"> |
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| 48 | <xsd:annotation> |
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| 49 | <xsd:documentation>An empty string is the default representation of a null value for a |
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| 50 | curve (i.e. when the null value representation is not explicitly defined). |
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| 51 | If a null value is defined in the logCurveInfo, it overrides any null value specified at the |
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| 52 | logHeader level. An empty string is always a valid null value representation in the comma delimited list. |
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| 53 | An empty string is not a valid null value representation within a space delimited array. |
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| 54 | Specifying a null value also makes it easier to transform data back to a |
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| 55 | legacy format without having to scan the data to insure that the null pattern |
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| 56 | does not exist in the data. </xsd:documentation> |
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| 57 | </xsd:annotation> |
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| 58 | </xsd:element> |
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| 59 | <xsd:element name="alternateIndex" type="witsml:logicalBoolean" minOccurs="0" maxOccurs="1"> |
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| 60 | <xsd:annotation> |
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| 61 | <xsd:documentation>True (true or 1) if this curve is a candidate to be a primary index. |
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| 62 | False (false or 0) or not given, indicates otherwise. |
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| 63 | An index curve should monotonically change when sorted on its own values (i.e., no duplicates). </xsd:documentation> |
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| 64 | </xsd:annotation> |
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| 65 | </xsd:element> |
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| 66 | <xsd:element name="wellDatum" type="witsml:refNameString" minOccurs="0" maxOccurs="1"> |
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| 67 | <xsd:annotation> |
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| 68 | <xsd:documentation>A pointer to the wellDatum that represents the values of this trace. |
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| 69 | This is only relevant for measured depths, vertical depths or elevations.</xsd:documentation> |
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| 70 | </xsd:annotation> |
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| 71 | </xsd:element> |
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| 72 | <xsd:element name="minIndex" type="witsml:genericMeasure" minOccurs="0" maxOccurs="1"> |
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| 73 | <xsd:annotation> |
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| 74 | <xsd:documentation>The minimum index value at which the first valid data point is located. |
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| 75 | This value will be properly set by the server to reflect data in the returned document.</xsd:documentation> |
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| 76 | </xsd:annotation> |
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| 77 | </xsd:element> |
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| 78 | <xsd:element name="maxIndex" type="witsml:genericMeasure" minOccurs="0" maxOccurs="1"> |
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| 79 | <xsd:annotation> |
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| 80 | <xsd:documentation>The maximum index value at which the last valid data point is located. |
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| 81 | This value will be properly set by the server to reflect data in the returned document. </xsd:documentation> |
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| 82 | </xsd:annotation> |
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| 83 | </xsd:element> |
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| 84 | <xsd:element name="minDateTimeIndex" type="witsml:timestamp" minOccurs="0" maxOccurs="1"> |
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| 85 | <xsd:annotation> |
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| 86 | <xsd:documentation>The minimum index value at which the first valid data point |
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| 87 | is located. This value will be properly set by the server to reflect data |
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| 88 | in the returned document. </xsd:documentation> |
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| 89 | </xsd:annotation> |
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| 90 | </xsd:element> |
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| 91 | <xsd:element name="maxDateTimeIndex" type="witsml:timestamp" minOccurs="0" maxOccurs="1"> |
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| 92 | <xsd:annotation> |
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| 93 | <xsd:documentation>The maximum index value at which the last valid data point |
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| 94 | is located. This value will be properly set by the server to reflect data |
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| 95 | in the returned document. </xsd:documentation> |
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| 96 | </xsd:annotation> |
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| 97 | </xsd:element> |
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| 98 | <xsd:element name="columnIndex" type="witsml:nonNegativeCount" minOccurs="1" maxOccurs="1"> |
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| 99 | <xsd:annotation> |
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| 100 | <xsd:documentation>A 1-based index of data in the LOGDATA.DATA section. |
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| 101 | A value of zero indicates an implied curve with no values in the data record.</xsd:documentation> |
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| 102 | </xsd:annotation> |
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| 103 | </xsd:element> |
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| 104 | <xsd:element name="curveDescription" type="witsml:descriptionString" minOccurs="0" maxOccurs="1"> |
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| 105 | <xsd:annotation> |
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| 106 | <xsd:documentation>Description of the curve. </xsd:documentation> |
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| 107 | </xsd:annotation> |
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| 108 | </xsd:element> |
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| 109 | <xsd:element name="sensorOffset" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1"> |
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| 110 | <xsd:annotation> |
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| 111 | <xsd:documentation>Offset of sensor from drill bit. |
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| 112 | This element is only informative. The measured depth values |
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| 113 | are at the actual depth (not bit depth from which you must |
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| 114 | subtract the offset).</xsd:documentation> |
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| 115 | </xsd:annotation> |
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| 116 | </xsd:element> |
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| 117 | <xsd:element name="dataSource" type="witsml:str32" minOccurs="0" maxOccurs="1"> |
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| 118 | <xsd:annotation> |
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| 119 | <xsd:documentation>Data source, could be tool name/id. </xsd:documentation> |
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| 120 | </xsd:annotation> |
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| 121 | </xsd:element> |
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| 122 | <xsd:element name="densData" type="witsml:perLengthMeasure" minOccurs="0" maxOccurs="1"> |
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| 123 | <xsd:annotation> |
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| 124 | <xsd:documentation>Data density of sample in samples per length unit. </xsd:documentation> |
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| 125 | </xsd:annotation> |
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| 126 | </xsd:element> |
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| 127 | <xsd:element name="traceState" type="witsml:LogTraceState" minOccurs="0" maxOccurs="1"> |
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| 128 | <xsd:annotation> |
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| 129 | <xsd:documentation>State of trace data. </xsd:documentation> |
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| 130 | </xsd:annotation> |
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| 131 | </xsd:element> |
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| 132 | <xsd:element name="traceOrigin" type="witsml:LogTraceOrigin" minOccurs="0" maxOccurs="1"> |
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| 133 | <xsd:annotation> |
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| 134 | <xsd:documentation>Origin of trace data. </xsd:documentation> |
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| 135 | </xsd:annotation> |
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| 136 | </xsd:element> |
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| 137 | <xsd:element name="typeLogData" type="witsml:LogDataType" minOccurs="0" maxOccurs="1"> |
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| 138 | <xsd:annotation> |
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| 139 | <xsd:documentation>Log data type. </xsd:documentation> |
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| 140 | </xsd:annotation> |
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| 141 | </xsd:element> |
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| 142 | <xsd:element name="axisDefinition" type="witsml:cs_axisDefinition" minOccurs="0" maxOccurs="unbounded"> |
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| 143 | <xsd:annotation> |
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| 144 | <xsd:documentation>Indicates that the curve is an array curve (i.e., multi-valued samples), |
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| 145 | and provides meta data by which an axis of the array can be understood.</xsd:documentation> |
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| 146 | </xsd:annotation> |
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| 147 | </xsd:element> |
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| 148 | </xsd:sequence> |
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| 149 | <xsd:attributeGroup ref="witsml:attgrp_uid"> |
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| 150 | <xsd:annotation> |
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| 151 | <xsd:documentation>Unique identifier for the curve information. </xsd:documentation> |
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| 152 | </xsd:annotation> |
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| 153 | </xsd:attributeGroup> |
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| 154 | </xsd:complexType> |
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| 155 | </xsd:schema> |
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