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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. __)*

Endeavour International Corp.

(Name of Issuer)

Common Stock,

(Title of Class of Securities)

29259G101

(CUSIP Number)

December 31, 2010

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

£ Rule 13d-1(b)

þ Rule 13d-1(c)

£ Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act, but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP No. 56035L104

Schedule 13G

Page 2 of 5 Pages

1	Names of Reporting Persons Don A. Sanders
2	Check the Appropriate Box if a Member of a Group (See Instructions) (a) £ (b) £
3	SEC Use Only
	Citizenship or Place of Organization United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	Sole Voting Power 699,0031
		6	Shared Voting Power 30,1582
		7	Sole Dispositive Power 699,0031
		8	Shared Dispositive Power 970,1733
9	Aggregate Amount Beneficially Owned by Each Reporting Person 1,669,176
10	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) £
11	Percent of Class Represented by Amount in Row (9) 6.734
12	Type of Reporting Person (See Instructions) IN

(1) Includes 131,032 shares owned by Sanders Opportunity Fund, L.P. and 422,713 shares owned by Sanders Opportunity Fund (Institutional), L.P. for which Mr. Sanders serves as the Chief Investment Officer and exercises voting and dispositive power as manager of SOF Management, LLC, the general partner of such funds; thus, he may also be deemed to be the beneficial owner of these securities. Mr. Sanders disclaims any beneficial ownership of the reported securities owned by Sanders Opportunity Fund, L.P. and Sanders Opportunity Fund (Institutional), L.P. in excess of his pecuniary interest in such securities.

(2) Represents shares held by a trust for which Mr. Sanders serves as a co-trustee.

(3) Represents shares held in client brokerage accounts over which Mr. Sanders has shared dispositive power and shares held by a trust for which Mr. Sanders serves as a co-trustee. Mr. Sanders disclaims beneficial ownership of all shares held in client brokerage accounts over which he has shared dispositive power.

(4) Based upon 24,793,523 shares of common stock outstanding as of the date hereof.

CUSIP No. 56035L104

Schedule 13G

Page 3 of 5 Pages

Item 1.

(a)

Name of Issuer: Endeavour International Corp.

(b)

Address of Issuer’s Principal Executive Offices:

1001 Fannin Street, Suite 1600,

Houston, Texas 77002

Item 2.

(a)

Name of Persons Filing:

Don A. Sanders

(b)

Address of Principal Business Office or, if None, Resident:

600 Travis, Suite 5800

Houston, Texas 77002

(c)

Citizenship:

Mr. Sanders is a citizen of the United States of America.

(d)

Title of Class of Securities: Common Stock

(e)

CUSIP Number: 29259G101

Item 3. If this statement is filed pursuant to §§ 240.13d-1(b), or 240.13d-2(b) or (c), check whether the persons filing are a:

(a)	þ	Broker or dealer1 registered under section 15 of the Act (15 U.S.C. 78o);
(b)	£	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	£	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	£	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	þ	An investment adviser1 in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	£	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	£	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	£	A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	£	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act (15 U.S.C. 80a-3);
(j)	£	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J);
(k)	£	Group, in accordance with § 240.13d-1(b)(1)(ii)(K).

If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:________________.

1 Mr. Sanders is an employee of Sanders Morris Harris Inc. a registered broker and investment adviser.

(a)	Amount beneficially owned: 1,669,176 shares
(b)	Percent of class: 6.73%
(c)	Number of shares as to which the persons has:

(i)	Sole power to vote or to direct the vote	699,0031shares1
(ii)	Shares power to vote or direct the vote	30,158 shares2
(iii)	Sole power to dispose or to direct disposition of	699,0031shares1
(iv)	Shares power to dispose or to direct disposition of	970,1733shares3