SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* STEELHEAD PARTNERS LLC (Last) (First) (Middle) 333 108TH AVENUE NE SUITE 2010 (Street) BELLEVUE WA 98004 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 12/18/2012	3. Issuer Name and Ticker or Trading Symbol ENDEAVOUR INTERNATIONAL CORP [ END ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) X Other (specify below) See Explanation of Responses	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock, $0.001 Par Value(1)	5,326,034	I	By Steelhead Navigator Master, L.P.(2)
Common Stock, $0.001 Par Value(1)	103,966(4)	I	By Managed Acounts of Steelhead Partners, LLC(3)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person* STEELHEAD PARTNERS LLC (Last) (First) (Middle) 333 108TH AVENUE NE SUITE 2010 (Street) BELLEVUE WA 98004 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) X Other (specify below) See Explanation of Responses

1. Name and Address of Reporting Person* STEELHEAD NAVIGATOR MASTER, L.P. (Last) (First) (Middle) C/O CITCO FUND SERVICES (BERMUDA) LTD MINTFLOWER PL, 4TH FL, 8 PAR-LA-VILLE RD (Street) HAMILTON D0 HM 08 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) X Other (specify below) See Explanation of Responses

1. Name and Address of Reporting Person* JOHNSTON JAMES MICHAEL (Last) (First) (Middle) 333 108TH AVENUE NE SUITE 2010 (Street) BELLEVUE WA 98004 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) X Other (specify below) See Explanation of Responses

1. Name and Address of Reporting Person* KLEIN BRIAN KATZ (Last) (First) (Middle) 333 108TH AVENUE NE SUITE 2010 (Street) BELLEVUE WA 98004 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) X Other (specify below) See Explanation of Responses

Explanation of Responses:

1. This Form 3 is filed jointly by Steelhead Navigator Master, L.P., a Cayman Islands limited partnership ("Steelhead Navigator"), Steelhead Partners, LLC, a Delaware limited liability company ("Steelhead"), James Michael Johnston and Brian Katz Klein. Each Reporting Person is a member of a reporting group that owns in the aggregate more than 10% of the Issuer's outstanding shares of Common Stock. As such, each Reporting Person may be deemed to beneficially own more than 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.

2. Shares of Common Stock beneficially owned by Steelhead Navigator. Steelhead, as the investment manager of Steelhead Navigator, may be deemed to be the beneficial owner of the shares of Common Stock beneficially owned by Steelhead Navigator. Each of Messrs. Johnston and Klein, as the member-managers of Steelhead, may be deemed to be the beneficial owner of the shares of Common Stock beneficially owned by Steelhead Navigator.

3. Shares held in funds and accounts managed by Steelhead. Each of Messrs. Johnston and Klein, as the member-managers of Steelhead, may be deemed to be the beneficial owner of the shares of Common Stock beneficially owned by Steelhead.

4. Includes 93,966 shares of Common Stock held in funds and accounts managed by Steelhead over which Steelhead has dispositive but not voting power.

	STEELHEAD PARTNERS, LLC; By: /s/ Brent E. Binge, Authorized Signatory	12/21/2012
	STEELHEAD NAVIGATOR MASTER, L.P.; By: /s/ Brent E. Binge, Authorized Signatory	12/21/2012
	JAMES MICHAEL JOHNSTON; By: /s/ Brent E. Binge, Attorney in Fact	12/21/2012
	BRIAN KATZ KLEIN; By: /s/ Brent E. Binge, Attorney in Fact	12/21/2012
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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