LEASE_NUMBER
| VARCHAR2 | 21 | The number assigned to a lease by the regulatory agency having jurisdiction over mineral activity in the territory where the lease is located. |
AREA_CODE
| VARCHAR2 | 6 | The designated abbreviation assigned to Outer Continental Shelf (OCS) geographical units for identification purposes and for use on maps and in data bases. |
BLOCK_NUM
| VARCHAR2 | 18 | Identifies a subdivision of an Official Protraction Diagram. |
LEASE_STATUS_CD
| VARCHAR2 | 21 | Identifies the development stage of the lease as assigned by the Minerals Management Service's Office of Leasing and Environment. |
LEASE_EFF_DATE
| DATE | 7 | The date a lease becomes operative as assigned by the Minerals Management Service. |
LEASE_EXPIR_DATE
| DATE | 7 | The date a lease expires, is relinquished or terminated. |
BLK_MAX_WTR_DPTH
| NUMBER | 22 | The point of highest (or maximum) vertical distance from mean sea level to the sea floor for a block. The distance is measured in meters. |