X0303 4 2010-02-06 false 0000351817 SWIFT ENERGY CO SFY 0001219627 MITCHELL JAMES P 16825 NORTHCHASE DRIVE, SUITE 400 HOUSTON TX 77060 false true false false Sr VP-CT&Land SFY Common Stock-401(k) 2681 I 401(k) Plan SFY Cmmn Stock-ESOP Holding 1386 I ESOP Plan Swift Energy Common Stock 2010-02-06 4 F false 621 24.53 D 27833 D Swift Energy Common Stock 2010-02-08 4 A false 7900 24.52 A 35733 D Swift Energy Common Stock 2010-02-08 4 F false 229 24.52 D 35504 D Stock Option 2/8/2010-2/8/2020 24.52 2010-02-08 4 A false 11300 0 A 2011-02-08 2020-02-08 Swift Energy Common Stock 11300 11300 D Based on statement dated 12/31/2009. Based on statement dated as of 12/31/2008. The option vests in three equal installments beginning February 8, 2011. James P. Mitchell 2010-02-10