Files listed in the table below are for the Gulf of Mexico OCS Region only.  Reserves Information and Data includes information on active and expired fields and leases in the Gulf of Mexico.  Field data available includes leases assigned to each field, Energy Information Administration (EIA) field code number, and cumulative field production.  Lease data available includes OCS blocks, operators, effective date of lease in field, expired lease status, and date and portion of lease within the field.  Additional reserves files are listed in the MMS Recent Publications.

Please read our disclaimer prior to downloading files.  Download a copy of the file you want by clicking on Fixed or Delimited under the Download column of the table below.  The Fixed Format provides a defined length for each field within the file and the Delimited Format provides the data fields delimited with quotes (") and separated by commas (,).  Once you have downloaded the data and have decompressed the file using PKZIP or WinZip, the data can then be imported into a variety of database or spreadsheet packages to facilitate queries or reports.

For additional information, visit FAQ (Frequently Asked Questions) about importing files.

For a complete record layout and associated data definitions click on the File Name of interest.