Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of Earliest Event Reported):   December 16, 2011

Syntroleum Corporation
(Exact name of registrant as specified in its charter)

Delaware 001-34490 73-1565725
(State or other jurisdiction
(I.R.S. Employer
of incorporation) File Number) Identification No.)
5416 S. Yale Avenue, Suite 400, Tulsa, Oklahoma   74135
(Address of principal executive offices)
(Zip Code)
Registrant’s telephone number, including area code:   918-592-7900

Not Applicable
Former name or former address, if changed since last report


Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

[  ]  Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
[  ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
[  ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
[  ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01 Other Events.

In November, the Dynamic Fuels Geismar Plant production was limited by the HDO Solvent Recycle Pump. The plant was down for the first six days of the month and ran at reduced rates for 14 days until the pump was reinstalled on November 20th. The plant produced 3.1 million gallons of renewable fuel products. This compares to production of 4.6, 1.9 and 3.4 million gallons of renewable products produced in August, September and October, respectively. The plant’s design rate is 75 million gallons per year.


Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

    Syntroleum Corporation
December 16, 2011   By:   /s/ Karen L Power
        Name: Karen L Power
        Title: Sr. Vice President of Finance/ Principal Financial Officer