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_logCurveInfo.xsd"/> |
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17 | <xsd:include schemaLocation="cs_logData.xsd"/> |
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18 | <!-- --> |
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19 | <xsd:group name="grp_log"> |
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20 | <xsd:annotation> |
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21 | <xsd:documentation>The non-contextual content of a WITSML Log.</xsd:documentation> |
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22 | </xsd:annotation> |
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23 | <xsd:sequence> |
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24 | <xsd:element name="objectGrowing" type="witsml:logicalBoolean" minOccurs="0" maxOccurs="1"> |
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25 | <xsd:annotation> |
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26 | <xsd:documentation>Whether or not the log is growing. |
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27 | True ("true" or "1") indicates the that the log is still growing |
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28 | in size (that is, logData values are still being added). |
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29 | For example, it may be connected to a realtime stream. |
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30 | False ("false" or "0") indicates that the log is |
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31 | closed (that is, no further logData values will be added). |
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32 | Not given indicates that the status of the log is not known. |
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33 | This value is only relevant within the context of a server.</xsd:documentation> |
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34 | </xsd:annotation> |
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35 | </xsd:element> |
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36 | <xsd:element name="dataRowCount" type="witsml:positiveBigCount" minOccurs="0" maxOccurs="1"> |
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37 | <xsd:annotation> |
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38 | <xsd:documentation>The number of data rows in the persistent log. |
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39 | If a value is specified for this element in a query then the |
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40 | server will limit the number of data rows in the result |
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41 | but the return value will still be the number of data rows in |
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42 | the persistent log.</xsd:documentation> |
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43 | </xsd:annotation> |
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44 | </xsd:element> |
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45 | <xsd:element name="serviceCompany" type="witsml:nameString" minOccurs="0" maxOccurs="1"> |
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46 | <xsd:annotation> |
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47 | <xsd:documentation>Name of contractor who provided the service. </xsd:documentation> |
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48 | </xsd:annotation> |
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49 | </xsd:element> |
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50 | <xsd:element name="runNumber" type="witsml:str16" minOccurs="0" maxOccurs="1"> |
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51 | <xsd:annotation> |
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52 | <xsd:documentation>Log run number. This should normally be a number; however |
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53 | some legacy systems encode other information in this value.</xsd:documentation> |
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54 | </xsd:annotation> |
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55 | </xsd:element> |
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56 | <xsd:element name="bhaRunNumber" type="witsml:positiveCount" minOccurs="0" maxOccurs="1"> |
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57 | <xsd:annotation> |
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58 | <xsd:documentation>The bottom hole assembly run number associated with this log.</xsd:documentation> |
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59 | </xsd:annotation> |
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60 | </xsd:element> |
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61 | <xsd:element name="pass" type="witsml:str16" minOccurs="0" maxOccurs="1"> |
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62 | <xsd:annotation> |
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63 | <xsd:documentation>Identifies the pass within the run.</xsd:documentation> |
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64 | </xsd:annotation> |
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65 | </xsd:element> |
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66 | <xsd:element name="creationDate" type="witsml:timestamp" minOccurs="0" maxOccurs="1"> |
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67 | <xsd:annotation> |
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68 | <xsd:documentation>Date and time that the log was created. </xsd:documentation> |
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69 | </xsd:annotation> |
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70 | </xsd:element> |
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71 | <xsd:element name="description" type="witsml:commentString" minOccurs="0" maxOccurs="1"> |
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72 | <xsd:annotation> |
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73 | <xsd:documentation>Description of item and details. </xsd:documentation> |
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74 | </xsd:annotation> |
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75 | </xsd:element> |
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76 | <xsd:element name="indexType" type="witsml:LogIndexType" minOccurs="1" maxOccurs="1"> |
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77 | <xsd:annotation> |
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78 | <xsd:documentation>Primary index type. </xsd:documentation> |
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79 | </xsd:annotation> |
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80 | </xsd:element> |
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81 | <xsd:sequence minOccurs="1" maxOccurs="1"> |
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82 | <xsd:annotation> |
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83 | <xsd:documentation>The index may be a quantity type or it may be a dateTime type. |
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84 | At least one of the index sets must be given. If both are given then "indexType" and |
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85 | "indexCurve" must represent an elapsed time from "startDateTimeIndex". |
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86 | The start and end indexes are server query parameters and will be |
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87 | populated with valid values in a GetFromStore result.</xsd:documentation> |
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88 | </xsd:annotation> |
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89 | <xsd:element name="startIndex" type="witsml:genericMeasure" minOccurs="0" maxOccurs="1"> |
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90 | <xsd:annotation> |
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91 | <xsd:documentation>When the log header defines the direction as "Increasing", |
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92 | the startIndex is the starting (minimum) index value at which the first valid data point |
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93 | is located. When the log header defines the direction as "Decreasing", the startIndex |
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94 | is the starting (maximum) index value at which the first valid data point is located.</xsd:documentation> |
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95 | </xsd:annotation> |
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96 | </xsd:element> |
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97 | <xsd:element name="endIndex" type="witsml:genericMeasure" minOccurs="0" maxOccurs="1"> |
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98 | <xsd:annotation> |
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99 | <xsd:documentation>When the log header defines the direction as "Increasing", the endIndex |
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100 | is the ending (maximum) index value at which the last valid data point is located. |
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101 | When the log header defines the direction as Decreasing, the endIndex is the ending |
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102 | (minimum) index value at which the last valid data point is located.</xsd:documentation> |
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103 | </xsd:annotation> |
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104 | </xsd:element> |
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105 | <xsd:element name="stepIncrement" type="witsml:ratioGenericMeasure" minOccurs="0" maxOccurs="1"> |
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106 | <xsd:annotation> |
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107 | <xsd:documentation>The sampling increment. Set to zero for unequal sampling. |
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108 | This would only apply if the curve was sorted on its own values. |
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109 | For curves that are originally sampled at a constant increment, this value should |
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110 | be retained because the calculated values may have cumulative errors.</xsd:documentation> |
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111 | </xsd:annotation> |
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112 | </xsd:element> |
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113 | <xsd:element name="startDateTimeIndex" type="witsml:timestamp" minOccurs="0" maxOccurs="1"> |
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114 | <xsd:annotation> |
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115 | <xsd:documentation>When the log header defines the direction as "Increasing", |
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116 | the startIndex is the starting (minimum) index value at which the first valid data point |
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117 | is located. When the log header defines the direction as "Decreasing", the startIndex |
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118 | is the starting (maximum) index value at which the first valid data point is located. </xsd:documentation> |
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119 | </xsd:annotation> |
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120 | </xsd:element> |
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121 | <xsd:element name="endDateTimeIndex" type="witsml:timestamp" minOccurs="0" maxOccurs="1"> |
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122 | <xsd:annotation> |
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123 | <xsd:documentation>When the log header defines the direction as "Increasing", the endIndex |
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124 | is the ending (maximum) index value at which the last valid data point is located. |
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125 | When the log header defines the direction as Decreasing, the endIndex is the ending |
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126 | (minimum) index value at which the last valid data point is located. </xsd:documentation> |
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127 | </xsd:annotation> |
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128 | </xsd:element> |
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129 | </xsd:sequence> |
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130 | <xsd:element name="direction" type="witsml:LogIndexDirection" minOccurs="0" maxOccurs="1"> |
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131 | <xsd:annotation> |
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132 | <xsd:documentation>The sort order of the data row index values in the XML instance. |
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133 | For an "Increasing" direction the index value of consecutive data nodes are ascending. |
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134 | For a "Decreasing" direction the index value of consecutive data nodes are descending. |
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135 | The default direction is "Increasing". The direction of a log cannot be changed |
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136 | once it has been created. That is, this value cannot be updated in a server.</xsd:documentation> |
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137 | </xsd:annotation> |
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138 | </xsd:element> |
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139 | <xsd:element name="indexCurve" type="witsml:indexCurve" minOccurs="1" maxOccurs="1"> |
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140 | <xsd:annotation> |
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141 | <xsd:documentation>The mnemonic of the index curve plus the column index. |
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142 | A column index of zero indicates an implied trace whose values start at startIndex |
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143 | and increment by stepIncrement for each row.</xsd:documentation> |
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144 | </xsd:annotation> |
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145 | </xsd:element> |
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146 | <xsd:element name="nullValue" type="witsml:encodedValueString" minOccurs="0" maxOccurs="1"> |
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147 | <xsd:annotation> |
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148 | <xsd:documentation>An empty string is the default representation of a null value for a |
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149 | curve (i.e. when the null value representation is not explicitly defined). |
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150 | If a null value representation is defined for a log, this becomes the default for all curves |
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151 | in that log (but can be overridden at the curve level). |
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152 | An empty string is always a valid null value representation in the comma delimited list. |
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153 | An empty string is not a valid null value representation within a space delimited array. |
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154 | Specifying a null value also makes it easier to transform data back to a |
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155 | legacy format without having to scan the data to insure that the null pattern |
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156 | does not exist in the data. |
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157 | </xsd:documentation> |
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158 | </xsd:annotation> |
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159 | </xsd:element> |
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160 | <xsd:element name="logParam" type="witsml:indexedObject" minOccurs="0" maxOccurs="unbounded"> |
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161 | <xsd:annotation> |
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162 | <xsd:documentation>Log parameters. </xsd:documentation> |
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163 | </xsd:annotation> |
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164 | </xsd:element> |
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165 | <xsd:element name="logCurveInfo" type="witsml:cs_logCurveInfo" minOccurs="0" maxOccurs="unbounded"> |
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166 | <xsd:annotation> |
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167 | <xsd:documentation>Container element for the log curve information. </xsd:documentation> |
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168 | </xsd:annotation> |
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169 | </xsd:element> |
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170 | <xsd:element name="logData" type="witsml:cs_logData" minOccurs="0" maxOccurs="1"> |
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171 | <xsd:annotation> |
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172 | <xsd:documentation>Container for one or more "rows" of log data. </xsd:documentation> |
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173 | </xsd:annotation> |
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174 | </xsd:element> |
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175 | </xsd:sequence> |
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176 | </xsd:group> |
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177 | </xsd:schema> |
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