A blowout preventer unit for monitoring a blowout preventer at a wellsite, the blowout preventer activatable form a seal to prevent leakage of the fluid produced from subsurface formations, characterized in that the blowout preventer unit comprises: a BOP database operatively connectable to the wellsite and configured to receive wellsite data therefrom via communication links therebetween; a plurality of wellsite subdatabases (556a-e) operatively connectable to the BOP database; at least one control unit (557a-f) operatively connectable between the BOP database and the plurality of wellsite subdatabases and configured to selectively divert the wellsite data via the communication links from the BOP database to one or more of the plurality of wellsite subdatabases, wherein the at least one control unit comprises at least one processor configured to determine blowout preventer parameters from the wellsite data and selectively divert the blowout preventer parameters to at least one of the plurality of wellsite subdatabases; and a plurality of blowout preventer outputs (558a-c) accessible by users, wherein each of the plurality of blowout preventer outputs is operatively coupled to at least one of the plurality of wellsite subdatabases, wherein at least one of the plurality of blowout preventer outputs is configured to generate a blowout preventer dashboard configured to selectively display at least a portion of the wellsite data, the determined blowout preventer parameters, and blowout preventer conditions from the wellsite subdatabases thereon, whereby the blowout preventer conditions are viewable by the users, and wherein the blowout preventer dashboard is configured to allow selection of a plurality of other dashboards configured to display different portions of the wellsite data, the determined blowout preventer parameters, and the blowout preventer conditions associated with different portions of the blowout preventer not displayed by the blowout preventer dashboard; wherein the blowout preventer unit is configured to adjust operation of the blowout preventer in response to the wellsite data, the determined blowout preventer parameters, and the blowout preventer conditions. a BOP database operatively connectable to the wellsite and configured to receive wellsite data therefrom via communication links therebetween; a plurality of wellsite subdatabases (556a-e) operatively connectable to the BOP database; at least one control unit (557a-f) operatively connectable between the BOP database and the plurality of wellsite subdatabases and configured to selectively divert the wellsite data via the communication links from the BOP database to one or more of the plurality of wellsite subdatabases, wherein the at least one control unit comprises at least one processor configured to determine blowout preventer parameters from the wellsite data and selectively divert the blowout preventer parameters to at least one of the plurality of wellsite subdatabases; and a plurality of blowout preventer outputs (558a-c) accessible by users, wherein each of the plurality of blowout preventer outputs is operatively coupled to at least one of the plurality of wellsite subdatabases, wherein at least one of the plurality of blowout preventer outputs is configured to generate a blowout preventer dashboard configured to selectively display at least a portion of the wellsite data, the determined blowout preventer parameters, and blowout preventer conditions from the wellsite subdatabases thereon, whereby the blowout preventer conditions are viewable by the users, and wherein the blowout preventer dashboard is configured to allow selection of a plurality of other dashboards configured to display different portions of the wellsite data, the determined blowout preventer parameters, and the blowout preventer conditions associated with different portions of the blowout preventer not displayed by the blowout preventer dashboard; wherein the blowout preventer unit is configured to adjust operation of the blowout preventer in response to the wellsite data, the determined blowout preventer parameters, and the blowout preventer conditions.