<ARTICLE> UT
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
THE FINANCIAL STATEMENTS OF ENERGEN CORPORATION FOR THE SIX-MONTHS ENDED
MARCH 31, 1998, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0000277595
<NAME> ENERGEN CORPORATION
<MULTIPLIER> 1,000
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          SEP-30-1998
<PERIOD-START>                              OCT-1-1997
<PERIOD-END>                               MAR-31-1998
<BOOK-VALUE>                                  PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                      306,772
<OTHER-PROPERTY-AND-INVEST>                    428,171
<TOTAL-CURRENT-ASSETS>                         159,525
<TOTAL-DEFERRED-CHARGES>                        20,097
<OTHER-ASSETS>                                       0
<TOTAL-ASSETS>                                 914,565
<COMMON>                                           291
<CAPITAL-SURPLUS-PAID-IN>                      191,325
<RETAINED-EARNINGS>                            152,447
<TOTAL-COMMON-STOCKHOLDERS-EQ>                 344,063
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<LONG-TERM-DEBT-NET>                           378,144
<SHORT-TERM-NOTES>                              46,000
<LONG-TERM-NOTES-PAYABLE>                            0
<COMMERCIAL-PAPER-OBLIGATIONS>                       0
<LONG-TERM-DEBT-CURRENT-PORT>                    1,859
<PREFERRED-STOCK-CURRENT>                            0
<CAPITAL-LEASE-OBLIGATIONS>                          0
<LEASES-CURRENT>                                     0
<OTHER-ITEMS-CAPITAL-AND-LIAB>                 144,499
<TOT-CAPITALIZATION-AND-LIAB>                  914,565
<GROSS-OPERATING-REVENUE>                      323,861
<INCOME-TAX-EXPENSE>                           (2,427)
<OTHER-OPERATING-EXPENSES>                     266,293
<TOTAL-OPERATING-EXPENSES>                     263,866
<OPERATING-INCOME-LOSS>                         57,568
<OTHER-INCOME-NET>                            (13,576)
<INCOME-BEFORE-INTEREST-EXPEN>                  61,320
<TOTAL-INTEREST-EXPENSE>                        14,901
<NET-INCOME>                                    46,419
<PREFERRED-STOCK-DIVIDENDS>                          0
<EARNINGS-AVAILABLE-FOR-COMM>                   46,419
<COMMON-STOCK-DIVIDENDS>                       (8,980)
<TOTAL-INTEREST-ON-BONDS>                       10,738
<CASH-FLOW-OPERATIONS>                          75,827
<EPS-PRIMARY>                                     1.60
<EPS-DILUTED>                                     1.59