*===========================================================================================================
* The Norwegian Petroleum Directorate's Fact-Pages. Description of download file.
*===========================================================================================================
* CONTENTS: Discovery. Outline coordinates, hydrocarbon type and NPD id's.
*-----------------------------------------------------------------------------------------------------------
* CSV SPECIFICATIONS: 
*-----------------------------------------------------------------------------------------------------------
* - column delimiter  : ,
* - text qualifier    : "
* - decimal separator : .
* - date format       : dd.mm.yyyy
*-----------------------------------------------------------------------------------------------------------
* COLUMN SPECIFICATIONS:
*-----------------------------------------------------------------------------------------------------------
* column name                    datatype       description
* .............................. .............. ............................................................
* discovery_name                 varchar(40)    Discovery name used at the NPD.
*
* hc_type                        varchar(40)    Main hydrocarbon type of the discovery.
*                                               Example:
*                                                GAS
*                                                GAS/CONDENSATE
*                                                OIL
*                                                OIL/GAS
*
* polygon_no                     int            Polygon number in the given discovery.
*
* point_no                       int            The sequence number of the co-ordinate point depicting 
*                                               (one of several) the given polygon.
*
* ns_degrees                     real           North-South geographical co-ordinates in decimal degrees.
*
* ew_degrees                     real           East-West geographical co-ordinates in decimal degrees.
*
* date_generated                 date           The date the download file was generated from the NPD's
*                                               databases.
*
* NPDID_discovery                bigint         NPD's unique discovery id.
*
* NPDID_field                    bigint         NPD's unique field id, if any.
*
*-----------------------------------------------------------------------------------------------------------
* HISTORY:
*-----------------------------------------------------------------------------------------------------------
* date       changed by  description
* .......... ........... ...................................................................................
* 22.04.2003 OHO/NPD     Initial version. 
*
* dd.mm.yyyy nnn/ccc     description of changes
*===========================================================================================================