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Changes from POSC WITSML Regulatory Specifications version 2 to create version 3
February 2005
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Used the WITSML v1.3 Data Schema as the base. Changed the version number to "1.3.0.0-reg".

Eliminated the "Set" containers in grp_well.xsd, grp_wellbore.xsd, 
grp_wellboreIntervalSet.xsd and cs_classifiedInterval.xsd.

Changed UpperCamelCase to lowerCamelCase to be consistent with the rest of WITSML.

Added cs_classifiedPoint.xsd (used in grp_wellboreIntervalSet.xsd).

Renamed EmailQualifierStruct to emailQualifierStruct and
IdentifierStruct to identifierStruct to be consistent with other WITSML types.

Renamed plugSummary.plugSummary to plugType.

Added cs_latest.xsd for the latest production and injection.

Added operatorAlias in grp_well.xsd and documentAlias in grp_regulatoryDocument.xsd.

Renamed some of the POSC types to have the "cs_" prefix. 
Restructured some POSC files to split out types that were used elsewhere also.

Added wellbore.bottomHolePlannedDispNs and wellbore.bottomHolePlannedDispEw.
Add itemState (e.g., plan or actual) to cs_boreholeInterval, cs_casingCementSummary, 
cs_casingPlugSummary, cs_classifiedInterval, cs_classifiedPoint and cs_perforationInterval.