Play Annual Drilling History Table

 

Table Name:Play Annual Drilling History Table - PLADRL##, where ## = Province number.
Table Function:This Province-level table contains the Play-level observations for 1900 through 1993 showingthe quantity of exploratory drilling in each Play in that year.
USGS Input Tables:exp#.tab and conv#in.tab (where # = Region number).
  1. Play Number [play_num] - the play number. [from conv#in.tab]
  2. Play Name [play_name] - the play name. [from conv#in.tab]
  3. Annual 1900 - the cumulative number of drilling of the play_drilling_type, drilled through the year 1900 [from exp#.tab]
  4. Annual 1901 to Annual 1993 - the number of drilling of the play_drilling_type, drilled through the year 1901 - 1993 in that year [from exp#.tab]