| 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="cs_interval.xsd"/> |
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| 17 | <xsd:include schemaLocation="cs_axisDefinition.xsd"/> |
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| 18 | <!-- --> |
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| 19 | <xsd:complexType name="cs_channelDefinition"> |
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| 20 | <xsd:annotation> |
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| 21 | <xsd:documentation> WITSML - Realtime Channel Component Schema </xsd:documentation> |
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| 22 | </xsd:annotation> |
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| 23 | <xsd:sequence> |
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| 24 | <xsd:element name="mnemonic" type="witsml:str32" minOccurs="1" maxOccurs="1"> |
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| 25 | <xsd:annotation> |
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| 26 | <xsd:documentation>Used to differentiate between multiples of same sensor type. |
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| 27 | The mnemonic must be unique within the context of each group definition. </xsd:documentation> |
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| 28 | </xsd:annotation> |
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| 29 | </xsd:element> |
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| 30 | <xsd:element name="dataType" type="witsml:LogDataType" minOccurs="0" maxOccurs="1"> |
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| 31 | <xsd:annotation> |
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| 32 | <xsd:documentation>Specifies the data encoding of a "value". |
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| 33 | If this value is not supplied, the data type is assumed to be double.</xsd:documentation> |
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| 34 | </xsd:annotation> |
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| 35 | </xsd:element> |
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| 36 | <xsd:element name="classWitsml" type="witsml:RealtimeData" minOccurs="0" maxOccurs="1"> |
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| 37 | <xsd:annotation> |
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| 38 | <xsd:documentation>Name of channel from realtime catalog. |
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| 39 | Although this is optional, it is strongly recommended that it be included. |
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| 40 | This defines the underlying meaning of the curve (e.g., a porosity). Mnemonic allows multiple |
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| 41 | channels of the same class to exist in one realtime.</xsd:documentation> |
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| 42 | </xsd:annotation> |
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| 43 | </xsd:element> |
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| 44 | <xsd:element name="columnIndex" type="witsml:nonNegativeCount" minOccurs="0" maxOccurs="1"> |
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| 45 | <xsd:annotation> |
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| 46 | <xsd:documentation>A 1-based index of curve data in the data records. |
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| 47 | This can only be specified if multiplexed is true in the group definition.</xsd:documentation> |
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| 48 | </xsd:annotation> |
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| 49 | </xsd:element> |
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| 50 | <xsd:element name="unit" type="witsml:uomString" minOccurs="0" maxOccurs="1"> |
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| 51 | <xsd:annotation> |
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| 52 | <xsd:documentation>The unit of measure for a quantity value. |
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| 53 | This can only be specified if multiplexed is true in the group definition. |
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| 54 | For demultiplexed values the unit is carried by each individual value.</xsd:documentation> |
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| 55 | </xsd:annotation> |
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| 56 | </xsd:element> |
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| 57 | <xsd:element name="description" type="witsml:descriptionString" minOccurs="0" maxOccurs="1"> |
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| 58 | <xsd:annotation> |
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| 59 | <xsd:documentation>A description of the channel.</xsd:documentation> |
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| 60 | </xsd:annotation> |
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| 61 | </xsd:element> |
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| 62 | <xsd:element name="mnemAlias" type="witsml:str32" minOccurs="0" maxOccurs="1"> |
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| 63 | <xsd:annotation> |
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| 64 | <xsd:documentation>Name alias for this trace. </xsd:documentation> |
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| 65 | </xsd:annotation> |
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| 66 | </xsd:element> |
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| 67 | <xsd:element name="sensorOffset" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1"> |
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| 68 | <xsd:annotation> |
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| 69 | <xsd:documentation>Offset of sensor from a downhole equipment vertical reference (the |
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| 70 | drill bit, for MWD logs; the tool zero reference for wireline |
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| 71 | logs). This element is only informative (log values are presented |
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| 72 | at actual depth, not requiring subtraction of an offset).</xsd:documentation> |
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| 73 | </xsd:annotation> |
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| 74 | </xsd:element> |
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| 75 | <xsd:element name="dataSource" type="witsml:str32" minOccurs="0" maxOccurs="1"> |
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| 76 | <xsd:annotation> |
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| 77 | <xsd:documentation>Data source, could be tool name/id. </xsd:documentation> |
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| 78 | </xsd:annotation> |
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| 79 | </xsd:element> |
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| 80 | <xsd:element name="interval" type="witsml:cs_interval" minOccurs="0" maxOccurs="1"> |
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| 81 | <xsd:annotation> |
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| 82 | <xsd:documentation>A container element that describes |
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| 83 | how data was gathered, computed, and sampled. |
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| 84 | This can only be specified if multiplexed is false in the group definition. |
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| 85 | That is, this can only be specified for a de-multiplexed representation.</xsd:documentation> |
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| 86 | </xsd:annotation> |
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| 87 | </xsd:element> |
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| 88 | <xsd:element name="axisDefinition" type="witsml:cs_axisDefinition" minOccurs="0" maxOccurs="unbounded"> |
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| 89 | <xsd:annotation> |
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| 90 | <xsd:documentation>Indicates that the channel is an array channel (i.e., multi-valued samples), |
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| 91 | and provides meta data by which an axis of the array can be understood.</xsd:documentation> |
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| 92 | </xsd:annotation> |
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| 93 | </xsd:element> |
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| 94 | </xsd:sequence> |
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| 95 | </xsd:complexType> |
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| 96 | </xsd:schema> |
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