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_blockCurveInfo.xsd"/> |
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17 | <!-- --> |
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18 | <xsd:complexType name="cs_blockInfo"> |
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19 | <xsd:annotation> |
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20 | <xsd:documentation>Describes a well log data block. </xsd:documentation> |
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21 | </xsd:annotation> |
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22 | <xsd:sequence> |
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23 | <xsd:element name="dataRowCount" type="witsml:positiveBigCount" minOccurs="0" maxOccurs="1"> |
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24 | <xsd:annotation> |
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25 | <xsd:documentation>The number of data rows in the persistent block. |
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26 | If a value is specified for this element in a query then the |
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27 | server will limit the number of data rows in the result |
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28 | but the return value will still be the number of data rows in |
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29 | the persistent block.</xsd:documentation> |
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30 | </xsd:annotation> |
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31 | </xsd:element> |
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32 | <xsd:element name="pass" type="witsml:str16" minOccurs="0" maxOccurs="1"> |
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33 | <xsd:annotation> |
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34 | <xsd:documentation>Identifies the pass within the run.</xsd:documentation> |
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35 | </xsd:annotation> |
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36 | </xsd:element> |
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37 | <xsd:element name="description" type="witsml:descriptionString" minOccurs="0" maxOccurs="1"> |
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38 | <xsd:annotation> |
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39 | <xsd:documentation>A description of the block. For example, 'main log section', |
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40 | 'repeat section', 'logged going in hole' 'main log section, curve group 1', |
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41 | 'composite'.</xsd:documentation> |
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42 | </xsd:annotation> |
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43 | </xsd:element> |
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44 | <xsd:element name="indexType" type="witsml:LogIndexType" minOccurs="1" maxOccurs="1"> |
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45 | <xsd:annotation> |
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46 | <xsd:documentation>Primary index type. |
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47 | The index may be a quantity type or it may be a dateTime type. |
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48 | At least one of the index sets must be given. If both are given then "indexType" and |
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49 | "indexCurve" must represent an elapsed time from "startDateTimeIndex". |
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50 | The start and end indexes are server query parameters and will be |
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51 | populated with valid values in a GetFromStore result.</xsd:documentation> |
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52 | </xsd:annotation> |
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53 | </xsd:element> |
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54 | <xsd:element name="startIndex" type="witsml:genericMeasure" minOccurs="0" maxOccurs="1"> |
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55 | <xsd:annotation> |
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56 | <xsd:documentation>When the direction is defined as "Increasing", |
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57 | the startIndex is the starting (minimum) index value at which the first data point |
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58 | is located. When the log header defines the direction as "Decreasing", the startIndex |
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59 | is the starting (maximum) index value at which the first data point is located. </xsd:documentation> |
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60 | </xsd:annotation> |
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61 | </xsd:element> |
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62 | <xsd:element name="endIndex" type="witsml:genericMeasure" minOccurs="0" maxOccurs="1"> |
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63 | <xsd:annotation> |
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64 | <xsd:documentation>When the direction is defined as "Increasing", the endIndex |
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65 | is the ending (maximum) index value at which the last data point is located. |
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66 | When the log header defines the direction as Decreasing, the endIndex is the ending |
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67 | (minimum) index value at which the last data point is located.</xsd:documentation> |
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68 | </xsd:annotation> |
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69 | </xsd:element> |
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70 | <xsd:element name="stepIncrement" type="witsml:ratioGenericMeasure" minOccurs="0" maxOccurs="1"> |
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71 | <xsd:annotation> |
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72 | <xsd:documentation>The sampling increment. Set to zero for unequal sampling. |
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73 | For curves that are originally sampled at a constant increment, this value should |
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74 | be retained because calculated values may have cumulative errors.</xsd:documentation> |
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75 | </xsd:annotation> |
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76 | </xsd:element> |
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77 | <xsd:element name="startDateTimeIndex" type="witsml:timestamp" minOccurs="0" maxOccurs="1"> |
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78 | <xsd:annotation> |
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79 | <xsd:documentation>When the direction is defined as "Increasing", |
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80 | the startIndex is the starting (minimum) index value at which the first data point |
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81 | is located. When the log header defines the direction as "Decreasing", the startIndex |
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82 | is the starting (maximum) index value at which the first data point is located. </xsd:documentation> |
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83 | </xsd:annotation> |
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84 | </xsd:element> |
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85 | <xsd:element name="endDateTimeIndex" type="witsml:timestamp" minOccurs="0" maxOccurs="1"> |
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86 | <xsd:annotation> |
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87 | <xsd:documentation>When the direction is defined as "Increasing", the endIndex |
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88 | is the ending (maximum) index value at which the last data point is located. |
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89 | When the log header defines the direction as Decreasing, the endIndex is the ending |
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90 | (minimum) index value at which the last data point is located. |
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91 | This value is optional when startDateTimeIndex represents a reference for elapsed times. |
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92 | Otherwise, it should be defined when startDateTimeIndex is defined. </xsd:documentation> |
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93 | </xsd:annotation> |
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94 | </xsd:element> |
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95 | <xsd:element name="direction" type="witsml:LogIndexDirection" minOccurs="0" maxOccurs="1"> |
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96 | <xsd:annotation> |
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97 | <xsd:documentation>The polarity of change in index values associated with successive data records. |
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98 | Increasing or Decreasing. Mixed is not a valid value.</xsd:documentation> |
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99 | </xsd:annotation> |
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100 | </xsd:element> |
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101 | <xsd:element name="indexCurve" type="witsml:indexCurve" minOccurs="0" maxOccurs="1"> |
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102 | <xsd:annotation> |
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103 | <xsd:documentation>The mnemonic of the index curve plus the column index. |
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104 | A column index of zero indicates an implied trace whose values start at startIndex |
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105 | and increment by stepIncrement for each row.</xsd:documentation> |
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106 | </xsd:annotation> |
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107 | </xsd:element> |
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108 | <xsd:element name="nullValue" type="witsml:str32" minOccurs="0" maxOccurs="1"> |
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109 | <xsd:annotation> |
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110 | <xsd:documentation>An empty string is the default representation of a null value for a |
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111 | curve (i.e. when the null value representation is not explicitly defined). |
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112 | If a null value representation is defined for a log, this becomes the default for all curves |
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113 | in that log (but can be overridden at the block or curve level). |
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114 | An empty string is always a valid null value representation in the comma delimited list. |
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115 | An empty string is not a valid null value representation within a space delimited or base64 encoded array. |
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116 | Specifying a null value also makes it easier to transform data back to a |
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117 | legacy format without having to scan the data to insure that the null pattern |
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118 | does not exist in the data. |
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119 | </xsd:documentation> |
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120 | </xsd:annotation> |
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121 | </xsd:element> |
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122 | <xsd:element name="logParam" type="witsml:indexedObject" minOccurs="0" maxOccurs="unbounded"> |
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123 | <xsd:annotation> |
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124 | <xsd:documentation>Log parameters that apply to this block.</xsd:documentation> |
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125 | </xsd:annotation> |
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126 | </xsd:element> |
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127 | <xsd:element name="blockCurveInfo" type="witsml:cs_blockCurveInfo" minOccurs="1" maxOccurs="unbounded"> |
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128 | <xsd:annotation> |
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129 | <xsd:documentation>A curve occurring in data records defined by this block, |
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130 | and its position within the data record. |
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131 | Each curve in the block must have a different mnemonic.</xsd:documentation> |
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132 | </xsd:annotation> |
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133 | </xsd:element> |
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134 | </xsd:sequence> |
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135 | <xsd:attribute name="uid" type="witsml:uidString" use="required"> |
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136 | <xsd:annotation> |
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137 | <xsd:documentation>Unique identifier for the block. |
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138 | This value must be unique within the context of the wellLog. |
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139 | This value will be pointed to by data levels that are associated with this block.</xsd:documentation> |
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140 | </xsd:annotation> |
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141 | </xsd:attribute> |
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142 | </xsd:complexType> |
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143 | <!-- --> |
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144 | </xsd:schema> |
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