[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="cs_qualifier.xsd"/> |
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| 17 | <xsd:include schemaLocation="attgrp_uid.xsd"/> |
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| 18 | <!-- --> |
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| 19 | <xsd:complexType name="cs_lithology"> |
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| 20 | <xsd:annotation> |
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| 21 | <xsd:documentation>WITSML - Lithology 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="type" type="witsml:LithologyType" minOccurs="0" maxOccurs="1"> |
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| 25 | <xsd:annotation> |
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| 26 | <xsd:documentation>The type of lithology. </xsd:documentation> |
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| 27 | </xsd:annotation> |
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| 28 | </xsd:element> |
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| 29 | <xsd:element name="codeLith" type="witsml:str16" minOccurs="0" maxOccurs="1"> |
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| 30 | <xsd:annotation> |
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| 31 | <xsd:documentation>Lithology official codes if desired. Operator typically |
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| 32 | to define what the codes are. </xsd:documentation> |
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| 33 | </xsd:annotation> |
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| 34 | </xsd:element> |
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| 35 | <xsd:element name="lithPc" type="witsml:volumePerVolumeMeasurePercent" minOccurs="0" maxOccurs="1"> |
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| 36 | <xsd:annotation> |
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| 37 | <xsd:documentation>The lithology represents what portion of the sampled interval. |
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| 38 | The total of the lithologies within an interval should add up to 100 percent. |
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| 39 | The "undifferentiated" code should be used to fill out to 100.</xsd:documentation> |
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| 40 | </xsd:annotation> |
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| 41 | </xsd:element> |
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| 42 | <xsd:element name="description" type="witsml:commentString" minOccurs="0" maxOccurs="1"> |
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| 43 | <xsd:annotation> |
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| 44 | <xsd:documentation>Description of item and details. </xsd:documentation> |
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| 45 | </xsd:annotation> |
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| 46 | </xsd:element> |
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| 47 | <xsd:element name="lithClass" type="witsml:str32" minOccurs="0" maxOccurs="1"> |
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| 48 | <xsd:annotation> |
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| 49 | <xsd:documentation>Lithology classification description. </xsd:documentation> |
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| 50 | </xsd:annotation> |
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| 51 | </xsd:element> |
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| 52 | <xsd:element name="grainType" type="witsml:str32" minOccurs="0" maxOccurs="1"> |
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| 53 | <xsd:annotation> |
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| 54 | <xsd:documentation>Granulometry. </xsd:documentation> |
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| 55 | </xsd:annotation> |
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| 56 | </xsd:element> |
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| 57 | <xsd:element name="dunhamClass" type="witsml:str32" minOccurs="0" maxOccurs="1"> |
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| 58 | <xsd:annotation> |
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| 59 | <xsd:documentation>Dunham limestone classification. </xsd:documentation> |
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| 60 | </xsd:annotation> |
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| 61 | </xsd:element> |
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| 62 | <xsd:element name="color" type="witsml:str16" minOccurs="0" maxOccurs="1"> |
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| 63 | <xsd:annotation> |
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| 64 | <xsd:documentation>Lithology color description. </xsd:documentation> |
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| 65 | </xsd:annotation> |
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| 66 | </xsd:element> |
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| 67 | <xsd:element name="texture" type="witsml:str32" minOccurs="0" maxOccurs="1"> |
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| 68 | <xsd:annotation> |
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| 69 | <xsd:documentation>Lithology texture description. </xsd:documentation> |
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| 70 | </xsd:annotation> |
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| 71 | </xsd:element> |
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| 72 | <xsd:element name="hardness" type="witsml:str32" minOccurs="0" maxOccurs="1"> |
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| 73 | <xsd:annotation> |
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| 74 | <xsd:documentation>Lithology hardness description. </xsd:documentation> |
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| 75 | </xsd:annotation> |
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| 76 | </xsd:element> |
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| 77 | <xsd:element name="sizeGrain" type="witsml:str32" minOccurs="0" maxOccurs="1"> |
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| 78 | <xsd:annotation> |
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| 79 | <xsd:documentation>Lithology grain size description. </xsd:documentation> |
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| 80 | </xsd:annotation> |
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| 81 | </xsd:element> |
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| 82 | <xsd:element name="roundness" type="witsml:str32" minOccurs="0" maxOccurs="1"> |
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| 83 | <xsd:annotation> |
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| 84 | <xsd:documentation>Lithology roundness description. </xsd:documentation> |
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| 85 | </xsd:annotation> |
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| 86 | </xsd:element> |
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| 87 | <xsd:element name="sorting" type="witsml:str32" minOccurs="0" maxOccurs="1"> |
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| 88 | <xsd:annotation> |
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| 89 | <xsd:documentation>Lithology sorting description. </xsd:documentation> |
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| 90 | </xsd:annotation> |
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| 91 | </xsd:element> |
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| 92 | <xsd:element name="matrixCement" type="witsml:str32" minOccurs="0" maxOccurs="1"> |
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| 93 | <xsd:annotation> |
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| 94 | <xsd:documentation>Lithology matrix/cement description. </xsd:documentation> |
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| 95 | </xsd:annotation> |
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| 96 | </xsd:element> |
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| 97 | <xsd:element name="porosityVisible" type="witsml:str32" minOccurs="0" maxOccurs="1"> |
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| 98 | <xsd:annotation> |
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| 99 | <xsd:documentation>Lithology visible porosity description. </xsd:documentation> |
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| 100 | </xsd:annotation> |
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| 101 | </xsd:element> |
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| 102 | <xsd:element name="permeability" type="witsml:str32" minOccurs="0" maxOccurs="1"> |
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| 103 | <xsd:annotation> |
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| 104 | <xsd:documentation>Lithology permeability description. </xsd:documentation> |
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| 105 | </xsd:annotation> |
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| 106 | </xsd:element> |
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| 107 | <xsd:element name="densShale" type="witsml:densityMeasure" minOccurs="0" maxOccurs="1"> |
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| 108 | <xsd:annotation> |
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| 109 | <xsd:documentation>Shale density for the interval. </xsd:documentation> |
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| 110 | </xsd:annotation> |
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| 111 | </xsd:element> |
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| 112 | <xsd:element name="qualifier" type="witsml:cs_qualifier" minOccurs="0" maxOccurs="unbounded"> |
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| 113 | <xsd:annotation> |
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| 114 | <xsd:documentation>A single qualifier. |
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| 115 | In mudlogging terms, a qualifier is a graphical symbol in the |
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| 116 | Interpreted Lithology column of the Formation Evaluation Log (aka "the |
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| 117 | mudlog"). |
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| 118 | In addition to the major lithologies (e.g., sand, shale, etc) existing in the |
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| 119 | sample, other minerals (present as accessories or inclusions e.g. chert, |
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| 120 | pyrite, glauconite) and fossils (forams, oyster shells, bryozoans, etc) |
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| 121 | may exist and their abundance is generally categorized using ranges |
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| 122 | such as Trace (less than 10%), Common (10-25%) and |
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| 123 | Abundant (greater than 25%). These additional minerals and fossils can be of |
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| 124 | disproportionately great diagnostic and descriptive value. For example, |
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| 125 | qualifiers can be used to indicate facies changes, marker beds or |
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| 126 | something that impacted drilling conditions. |
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| 127 | These qualifiers (representing accessories, inclusions and/or fossils) |
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| 128 | are used to rapidly and graphically indicate to the recipient of the |
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| 129 | mudlog that a significant lithological event was encountered while |
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| 130 | drilling the well. </xsd:documentation> |
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| 131 | </xsd:annotation> |
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| 132 | </xsd:element> |
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| 133 | </xsd:sequence> |
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| 134 | <xsd:attributeGroup ref="witsml:attgrp_uid"> |
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| 135 | <xsd:annotation> |
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| 136 | <xsd:documentation>Unique identifier for the lithology object. </xsd:documentation> |
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| 137 | </xsd:annotation> |
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| 138 | </xsd:attributeGroup> |
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| 139 | </xsd:complexType> |
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| 140 | </xsd:schema> |
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