*===========================================================================================================
* The Norwegian Petroleum Directorate's Fact-Pages. Description of download file.
*===========================================================================================================
* CONTENTS: Production licence. General information.
*-----------------------------------------------------------------------------------------------------------
* CSV SPECIFICATIONS:
*-----------------------------------------------------------------------------------------------------------
* - column delimiter  : ,
* - text qualifier    : "
* - decimal separator : .
* - date format       : dd.mm.yyyy
*-----------------------------------------------------------------------------------------------------------
* COLUMN SPECIFICATIONS:
*-----------------------------------------------------------------------------------------------------------
* column name                    datatype       description
* .............................. .............. ............................................................
* production_licence_name        varchar(40)    Production licence name.
*
* licensing_activity             varchar(40)    The official designation of the licensing activity or 
*                                               of the granting of production licences 
*                                               outside such licensing activities (OLA).
*
* date_granted                   date           The date the production licence was granted.
*
* date_valid_to                  date           The date the production licence is valid to/expires 
*                                               according to the latest approved extension.
*
* original_area                  real           Original area of the production licence.
*                                               Unit of measure: km2
*
* current_area                   real           Current area after parts of the original area, if any, 
*                                               have been relinquished.
*                                               Unit of measure: km2
*
* date_generated                 date           The date the download file was generated from the NPD's
*                                               databases.
*
* NPDID_production_licence       bigint         NPD's unique production licence id.
*
*-----------------------------------------------------------------------------------------------------------
* HISTORY:
*-----------------------------------------------------------------------------------------------------------
* date       changed by  description
* .......... ........... ...................................................................................
* 23.01.2003 OHO/NPD     Initial version
*
* dd.mm.yyyy nnn/ccc     description of changes
*===========================================================================================================