[16] | 1 | <?xml version="1.0" encoding="UTF-8"?> |
---|
| 2 | <xsd:schema |
---|
| 3 | elementFormDefault="qualified" |
---|
| 4 | attributeFormDefault="unqualified" |
---|
| 5 | targetNamespace="http://www.witsml.org/schemas/131" |
---|
| 6 | xmlns:witsml="http://www.witsml.org/schemas/131" |
---|
| 7 | xmlns:xsd="http://www.w3.org/2001/XMLSchema" |
---|
| 8 | version="1.3.1"> |
---|
| 9 | <!-- --> |
---|
| 10 | <!-- POSC License Agreement |
---|
| 11 | This file is distributed under the POSC License Agreement at |
---|
| 12 | http://www.posc.org/about/license.shtml. |
---|
| 13 | Use of this file constitutes agreement with the POSC License Agreement. |
---|
| 14 | --> |
---|
| 15 | <!-- --> |
---|
| 16 | <xsd:include schemaLocation="typ_dataTypes.xsd"/> |
---|
| 17 | <xsd:include schemaLocation="cs_axisDefinition.xsd"/> |
---|
| 18 | <!-- --> |
---|
| 19 | <xsd:complexType name="cs_wellLogCurveInfo"> |
---|
| 20 | <xsd:annotation> |
---|
| 21 | <xsd:documentation>WITSML Well Log - Curve Information</xsd:documentation> |
---|
| 22 | </xsd:annotation> |
---|
| 23 | <xsd:sequence> |
---|
| 24 | <xsd:element name="mnemonic" type="witsml:str32" minOccurs="1" maxOccurs="1"> |
---|
| 25 | <xsd:annotation> |
---|
| 26 | <xsd:documentation>The curve name. More than one curve can have |
---|
| 27 | the same mnemonic but something like the array definition should be |
---|
| 28 | different between them.</xsd:documentation> |
---|
| 29 | </xsd:annotation> |
---|
| 30 | </xsd:element> |
---|
| 31 | <xsd:element name="classWitsml" type="witsml:RealtimeData" minOccurs="0" maxOccurs="1"> |
---|
| 32 | <xsd:annotation> |
---|
| 33 | <xsd:documentation>The curve classification obtained from a lookup in the vendors |
---|
| 34 | mnemonic catalog. </xsd:documentation> |
---|
| 35 | </xsd:annotation> |
---|
| 36 | </xsd:element> |
---|
| 37 | <xsd:element name="unit" type="witsml:uomString" minOccurs="0" maxOccurs="1"> |
---|
| 38 | <xsd:annotation> |
---|
| 39 | <xsd:documentation>Unit of measurement for the data values. </xsd:documentation> |
---|
| 40 | </xsd:annotation> |
---|
| 41 | </xsd:element> |
---|
| 42 | <xsd:element name="mnemAlias" type="witsml:str32" minOccurs="0" maxOccurs="1"> |
---|
| 43 | <xsd:annotation> |
---|
| 44 | <xsd:documentation>Name alias for this trace. </xsd:documentation> |
---|
| 45 | </xsd:annotation> |
---|
| 46 | </xsd:element> |
---|
| 47 | <xsd:element name="nullValue" type="witsml:encodedValueString" minOccurs="0" maxOccurs="1"> |
---|
| 48 | <xsd:annotation> |
---|
| 49 | <xsd:documentation>An empty string is the default representation of a null value for a |
---|
| 50 | curve (i.e., when the null value representation is not explicitly defined). |
---|
| 51 | If a null value is defined in the logCurveInfo, it overrides any null value specified at the |
---|
| 52 | logHeader level. An empty string is always a valid null value representation in the comma delimited list. |
---|
| 53 | An empty string is not a valid null value representation within a space delimited or base64 encoded array. |
---|
| 54 | Specifying a null value also makes it easier to transform data back to a |
---|
| 55 | legacy format without having to scan the data to insure that the null pattern |
---|
| 56 | does not exist in the data.</xsd:documentation> |
---|
| 57 | </xsd:annotation> |
---|
| 58 | </xsd:element> |
---|
| 59 | <xsd:element name="alternateIndex" type="witsml:logicalBoolean" minOccurs="0" maxOccurs="1"> |
---|
| 60 | <xsd:annotation> |
---|
| 61 | <xsd:documentation>True (true or 1) if this curve is a candidate to be a primary index. |
---|
| 62 | False (false or 0) or not given, indicates otherwise. |
---|
| 63 | An index curve should monotonically change when sorted on its own values (i.e., no duplicates). </xsd:documentation> |
---|
| 64 | </xsd:annotation> |
---|
| 65 | </xsd:element> |
---|
| 66 | <xsd:element name="wellDatum" type="witsml:refNameString" minOccurs="0" maxOccurs="1"> |
---|
| 67 | <xsd:annotation> |
---|
| 68 | <xsd:documentation>A pointer to the wellDatum that represents the values of this trace. |
---|
| 69 | This is only relevant for measured depths, vertical depths or elevations.</xsd:documentation> |
---|
| 70 | </xsd:annotation> |
---|
| 71 | </xsd:element> |
---|
| 72 | <xsd:element name="curveDescription" type="witsml:descriptionString" minOccurs="0" maxOccurs="1"> |
---|
| 73 | <xsd:annotation> |
---|
| 74 | <xsd:documentation>Description of the curve. </xsd:documentation> |
---|
| 75 | </xsd:annotation> |
---|
| 76 | </xsd:element> |
---|
| 77 | <xsd:element name="sensorOffset" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1"> |
---|
| 78 | <xsd:annotation> |
---|
| 79 | <xsd:documentation>Offset of sensor from a downhole equipment vertical reference (the |
---|
| 80 | drill bit, for MWD logs; the tool zero reference for wireline |
---|
| 81 | logs). This element is only informative (log values are presented |
---|
| 82 | at actual depth, not requiring subtraction of an offset).</xsd:documentation> |
---|
| 83 | </xsd:annotation> |
---|
| 84 | </xsd:element> |
---|
| 85 | <xsd:element name="dataSource" type="witsml:str32" minOccurs="0" maxOccurs="1"> |
---|
| 86 | <xsd:annotation> |
---|
| 87 | <xsd:documentation>Data source, could be tool name/id. </xsd:documentation> |
---|
| 88 | </xsd:annotation> |
---|
| 89 | </xsd:element> |
---|
| 90 | <xsd:element name="densData" type="witsml:perLengthMeasure" minOccurs="0" maxOccurs="1"> |
---|
| 91 | <xsd:annotation> |
---|
| 92 | <xsd:documentation>Data density of sample in samples per length unit. </xsd:documentation> |
---|
| 93 | </xsd:annotation> |
---|
| 94 | </xsd:element> |
---|
| 95 | <xsd:element name="traceState" type="witsml:LogTraceState" minOccurs="0" maxOccurs="1"> |
---|
| 96 | <xsd:annotation> |
---|
| 97 | <xsd:documentation>State of trace data. </xsd:documentation> |
---|
| 98 | </xsd:annotation> |
---|
| 99 | </xsd:element> |
---|
| 100 | <xsd:element name="traceOrigin" type="witsml:LogTraceOrigin" minOccurs="0" maxOccurs="1"> |
---|
| 101 | <xsd:annotation> |
---|
| 102 | <xsd:documentation>Origin of trace data. </xsd:documentation> |
---|
| 103 | </xsd:annotation> |
---|
| 104 | </xsd:element> |
---|
| 105 | <xsd:choice minOccurs="0" maxOccurs="1"> |
---|
| 106 | <xsd:element name="typeLogData" type="witsml:LogDataType" minOccurs="0" maxOccurs="1"> |
---|
| 107 | <xsd:annotation> |
---|
| 108 | <xsd:documentation>Curve data type. For simple (non-array) traces, the data type |
---|
| 109 | of the curve data. For array curves (except Base64-encoded array curves), the |
---|
| 110 | data type of curve array element. For Base64-encoded arrays, the element data type |
---|
| 111 | is defined by encodingDef. If neither typeLogData nor encodingDef are given |
---|
| 112 | then 'Double' is assumed.</xsd:documentation> |
---|
| 113 | </xsd:annotation> |
---|
| 114 | </xsd:element> |
---|
| 115 | <xsd:element name="encodingDef" type="witsml:ArrayElementDataType" minOccurs="0" maxOccurs="1"> |
---|
| 116 | <xsd:annotation> |
---|
| 117 | <xsd:documentation>Indicates that the channel is encoded using a Base64 |
---|
| 118 | representation of binary values, and defines the binary type of elements |
---|
| 119 | of the array. If absent and axisDefinition is given, implies space delimited values, |
---|
| 120 | whose elemental data type is given by typeLogData.</xsd:documentation> |
---|
| 121 | </xsd:annotation> |
---|
| 122 | </xsd:element> |
---|
| 123 | </xsd:choice> |
---|
| 124 | <xsd:element name="axisDefinition" type="witsml:cs_axisDefinition" minOccurs="0" maxOccurs="unbounded"> |
---|
| 125 | <xsd:annotation> |
---|
| 126 | <xsd:documentation>Indicates that the curve is an array curve (i.e., multi-valued samples), |
---|
| 127 | and provides meta data by which an axis of the array can be understood. |
---|
| 128 | A separate definition is required for each axis of an N-dimensional array.</xsd:documentation> |
---|
| 129 | </xsd:annotation> |
---|
| 130 | </xsd:element> |
---|
| 131 | </xsd:sequence> |
---|
| 132 | <xsd:attribute name="uid" type="witsml:uidString" use="required"> |
---|
| 133 | <xsd:annotation> |
---|
| 134 | <xsd:documentation>Unique identifier for the curve. |
---|
| 135 | This value must be unique within the context of the wellLog. |
---|
| 136 | This value will be referenced by block curve descriptors.</xsd:documentation> |
---|
| 137 | </xsd:annotation> |
---|
| 138 | </xsd:attribute> |
---|
| 139 | </xsd:complexType> |
---|
| 140 | </xsd:schema> |
---|