-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, DSGvYCtAbUU2xd1QXNuh+dpqDsr80NQ4MP2z2RK+TYWPLOYVPOqr8SwefIIedZ5F mio46un+L2F9BcpY0lrb8Q== 0001193125-09-033230.txt : 20090220 0001193125-09-033230.hdr.sgml : 20090220 20090219180249 ACCESSION NUMBER: 0001193125-09-033230 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20090220 DATE AS OF CHANGE: 20090219 GROUP MEMBERS: PANDORA SELECT ADVISORS, LLC GROUP MEMBERS: PANDORA SELECT FUND, L.P. GROUP MEMBERS: PANDORA SELECT FUND, LTD. GROUP MEMBERS: PANDORA SELECT PARTNERS, L.P. GROUP MEMBERS: WHITEBOX COMBINED ADVISORS, LLC GROUP MEMBERS: WHITEBOX COMBINED FUND, L.P. GROUP MEMBERS: WHITEBOX COMBINED FUND, LTD. GROUP MEMBERS: WHITEBOX COMBINED PARTNERS, L.P. GROUP MEMBERS: WHITEBOX CONVERTIBLE ARBITRAGE ADVISORS, LLC GROUP MEMBERS: WHITEBOX CONVERTIBLE ARBITRAGE FUND, L.P. GROUP MEMBERS: WHITEBOX CONVERTIBLE ARBITRAGE FUND, LTD. GROUP MEMBERS: WHITEBOX CONVERTIBLE ARBITRAGE PARTNERS, L.P. GROUP MEMBERS: WHITEBOX SERIES D MASTER PORTFOLIO II, L.P. GROUP MEMBERS: WHITEBOX SPECIAL OPPORTUNITIES ADVISORS, LLC GROUP MEMBERS: WHITEBOX SPECIAL OPPORTUNITIES FUND, SPC LTD.-SEG.PORTFOLIOD GROUP MEMBERS: WHITEBOX SPECIAL OPPORTUNITIES SERIES D PARTNERS, L.P. FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: WHITEBOX ADVISORS LLC CENTRAL INDEX KEY: 0001257391 IRS NUMBER: 411957584 STATE OF INCORPORATION: DE FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 3033 EXCELSIOR BLVD. CITY: MINNEAPOLIS STATE: MN ZIP: 55416 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: WILLBROS GROUP INC CENTRAL INDEX KEY: 0000895450 STANDARD INDUSTRIAL CLASSIFICATION: OIL, GAS FIELD SERVICES, NBC [1389] IRS NUMBER: 980160660 STATE OF INCORPORATION: R1 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-49499 FILM NUMBER: 09622629 BUSINESS ADDRESS: STREET 1: DRESDNER BANK BUILDING STREET 2: 50TH STREET 8TH FLOOR PO BOX 850048 CITY: PANAMA 5 REPUBLIC OF STATE: R1 ZIP: 00000 BUSINESS PHONE: 5072639282 MAIL ADDRESS: STREET 1: C/O WILLBROS USA INC STREET 2: 2431 EAST 61ST STREET SUITE 700 CITY: TULSA STATE: OK ZIP: 74136 SC 13G/A 1 dsc13ga.htm SCHEDULE 13G AMENDMENT NO. 2 Schedule 13G Amendment No. 2
OMB APPROVAL

OMB Number:

   3235-0145

Expires:

   February 28, 2009

Estimated average burden

hours per response

   10.4

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

SCHEDULE 13G

 

Under the Securities Exchange Act of 1934

(Amendment No. 2)*

 

 

 

 

Willbros Group Inc.

(Name of Issuer)

 

 

Common Stock

(Title of Class of Securities)

 

 

969199108

(CUSIP Number)

 

 

December 31, 2008

(Date of Event Which Requires Filing of this Statement)

 

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

xRule 13d-1(b)

xRule 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).

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

SEC 1745 (2-02)

 

Page 1 of 21

CUSIP No. 969199108   13G  

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

 

            Whitebox Advisors, LLC

    
  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)  ¨

(b)  x

    
  3  

SEC USE ONLY

 

    
  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

            Delaware

    

 

NUMBER OF  

SHARES  

BENEFICIALLY  

OWNED BY  

EACH  

REPORTING  

PERSON  

WITH:  

 

  

  5    SOLE VOTING POWER

 

            0

 

  6    SHARED VOTING POWER

 

            2,551,952

 

  7    SOLE DISPOSITIVE POWER

 

            0

 

  8    SHARED DISPOSITIVE POWER

 

            2,551,952

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

            2,551,952 (see Item 4)

    
10  

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

 

 

    
11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

            6.1%

    
12  

TYPE OF REPORTING PERSON*

 

            IA

    

*SEE INSTRUCTION BEFORE FILLING OUT!

 

Page 2 of 21

CUSIP No. 969199108   13G  

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

 

            Whitebox Combined Advisors, LLC

    
  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)  ¨

(b)  x

    
  3  

SEC USE ONLY

 

    
  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

            Delaware

    

 

NUMBER OF  

SHARES  

BENEFICIALLY  

OWNED BY  

EACH  

REPORTING  

PERSON  

WITH:  

 

  

  5    SOLE VOTING POWER

 

            0

 

  6    SHARED VOTING POWER

 

            1,003,650

 

  7    SOLE DISPOSITIVE POWER

 

            0

 

  8    SHARED DISPOSITIVE POWER

 

            1,003,650

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

            1,003,650 (see Item 4)

    
10  

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

 

 

    
11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

            2.4%

    
12  

TYPE OF REPORTING PERSON*

 

            IA

    

*SEE INSTRUCTION BEFORE FILLING OUT!

 

Page 3 of 21

CUSIP No. 969199108   13G  

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

 

            Whitebox Combined Partners, L.P.

    
  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)  ¨

(b)  x

    
  3  

SEC USE ONLY

 

    
  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

            British Virgin Islands

    

 

NUMBER OF  

SHARES  

BENEFICIALLY  

OWNED BY  

EACH  

REPORTING  

PERSON  

WITH:  

 

  

  5    SOLE VOTING POWER

 

            0

 

  6    SHARED VOTING POWER

 

            1,003,650

 

  7    SOLE DISPOSITIVE POWER

 

            0

 

  8    SHARED DISPOSITIVE POWER

 

            1,003,650

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

            1,003,650 (see Item 4)

    
10  

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

 

 

    
11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

            2.4%

    
12  

TYPE OF REPORTING PERSON*

 

            PN

    

*SEE INSTRUCTION BEFORE FILLING OUT!

 

Page 4 of 21

CUSIP No. 969199108   13G  

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

 

            Whitebox Combined Fund, L.P.

    
  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)  ¨

(b)  x

    
  3  

SEC USE ONLY

 

    
  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

            Delaware

    

 

NUMBER OF  

SHARES  

BENEFICIALLY  

OWNED BY  

EACH  

REPORTING  

PERSON  

WITH:  

 

  

  5    SOLE VOTING POWER

 

            0

 

  6    SHARED VOTING POWER

 

            1,003,650

 

  7    SOLE DISPOSITIVE POWER

 

            0

 

  8    SHARED DISPOSITIVE POWER

 

            1,003,650

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

            1,003,650 (see Item 4)

    
10  

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

 

 

    
11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

            2.4%

    
12  

TYPE OF REPORTING PERSON*

 

            PN

    

*SEE INSTRUCTION BEFORE FILLING OUT!

 

Page 5 of 21

CUSIP No. 969199108   13G  

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

 

            Whitebox Combined Fund, Ltd.

    
  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)  ¨

(b)  x

    
  3  

SEC USE ONLY

 

    
  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

            British Virgin Islands

    

 

NUMBER OF  

SHARES  

BENEFICIALLY  

OWNED BY  

EACH  

REPORTING  

PERSON  

WITH:  

 

  

  5    SOLE VOTING POWER

 

            0

 

  6    SHARED VOTING POWER

 

            1,003,650

 

  7    SOLE DISPOSITIVE POWER

 

            0

 

  8    SHARED DISPOSITIVE POWER

 

            1,003,650

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

            1,003,650 (see Item 4)

    
10  

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

 

 

    
11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

            2.4%

    
12  

TYPE OF REPORTING PERSON*

 

            CO

    

*SEE INSTRUCTION BEFORE FILLING OUT!

 

Page 6 of 21

CUSIP No. 969199108   13G  

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

 

            Whitebox Convertible Arbitrage Advisors, LLC

    
  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)  ¨

(b)  x

    
  3  

SEC USE ONLY

 

    
  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

            Delaware

    

 

NUMBER OF  

SHARES  

BENEFICIALLY  

OWNED BY  

EACH  

REPORTING  

PERSON  

WITH:  

 

  

  5    SOLE VOTING POWER

 

            0

 

  6    SHARED VOTING POWER

 

            925,483

 

  7    SOLE DISPOSITIVE POWER

 

            0

 

  8    SHARED DISPOSITIVE POWER

 

            925,483

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

            925,483 (see Item 4)

    
10  

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

 

 

    
11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

            2.2%

    
12  

TYPE OF REPORTING PERSON*

 

            IA

    

*SEE INSTRUCTION BEFORE FILLING OUT!

 

Page 7 of 21

CUSIP No. 969199108   13G  

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

 

            Whitebox Convertible Arbitrage Partners, L.P.

    
  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)  ¨

(b)  x

    
  3  

SEC USE ONLY

 

    
  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

            British Virgin Islands

    

 

NUMBER OF  

SHARES  

BENEFICIALLY  

OWNED BY  

EACH  

REPORTING  

PERSON  

WITH:  

 

  

  5    SOLE VOTING POWER

 

            0

 

  6    SHARED VOTING POWER

 

            925,483

 

  7    SOLE DISPOSITIVE POWER

 

            0

 

  8    SHARED DISPOSITIVE POWER

 

            925,483

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

            925,483 (see Item 4)

    
10  

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

 

 

    
11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

            2.2%

    
12  

TYPE OF REPORTING PERSON*

 

            PN

    

*SEE INSTRUCTION BEFORE FILLING OUT!

 

Page 8 of 21

CUSIP No. 969199108   13G  

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

 

            Whitebox Convertible Arbitrage Fund, L.P.

    
  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)  ¨

(b)  x

    
  3  

SEC USE ONLY

 

    
  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

            Delaware

    

 

NUMBER OF  

SHARES  

BENEFICIALLY  

OWNED BY  

EACH  

REPORTING  

PERSON  

WITH:  

 

  

  5    SOLE VOTING POWER

 

            0

 

  6    SHARED VOTING POWER

 

            925,483

 

  7    SOLE DISPOSITIVE POWER

 

            0

 

  8    SHARED DISPOSITIVE POWER

 

            925,483

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

            925,483 (see Item 4)

    
10  

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

 

 

    
11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

            2.2%

    
12  

TYPE OF REPORTING PERSON*

 

            PN

    

*SEE INSTRUCTION BEFORE FILLING OUT!

 

Page 9 of 21

CUSIP No. 969199108   13G  

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

 

            Whitebox Convertible Arbitrage Fund, Ltd.

    
  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)  ¨

(b)  x

    
  3  

SEC USE ONLY

 

    
  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

            British Virgin Islands

    

 

NUMBER OF  

SHARES  

BENEFICIALLY  

OWNED BY  

EACH  

REPORTING  

PERSON  

WITH:  

 

  

  5    SOLE VOTING POWER

 

            0

 

  6    SHARED VOTING POWER

 

            925,483

 

  7    SOLE DISPOSITIVE POWER

 

            0

 

  8    SHARED DISPOSITIVE POWER

 

            925,483

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

            925,483 (see Item 4)

    
10  

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

 

 

    
11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

            2.2%

    
12  

TYPE OF REPORTING PERSON*

 

            CO

    

*SEE INSTRUCTION BEFORE FILLING OUT!

 

Page 10 of 21

CUSIP No. 969199108   13G  

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

 

            Pandora Select Advisors, LLC

    
  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)  ¨

(b)  x

    
  3  

SEC USE ONLY

 

    
  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

            Delaware

    

 

NUMBER OF  

SHARES  

BENEFICIALLY  

OWNED BY  

EACH  

REPORTING  

PERSON  

WITH:  

 

  

  5    SOLE VOTING POWER

 

            0

 

  6    SHARED VOTING POWER

 

            202,833

 

  7    SOLE DISPOSITIVE POWER

 

            0

 

  8    SHARED DISPOSITIVE POWER

 

            202,833

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

            202,833 (see Item 4)

    
10  

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

 

 

    
11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

            0.5%

    
12  

TYPE OF REPORTING PERSON*

 

            IA

    

*SEE INSTRUCTION BEFORE FILLING OUT!

 

Page 11 of 21

CUSIP No. 969199108   13G  

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

 

            Pandora Select Partners, L.P.

    
  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)  ¨

(b)  x

    
  3  

SEC USE ONLY

 

    
  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

            British Virgin Islands

    

 

NUMBER OF  

SHARES  

BENEFICIALLY  

OWNED BY  

EACH  

REPORTING  

PERSON  

WITH:  

 

  

  5    SOLE VOTING POWER

 

            0

 

  6    SHARED VOTING POWER

 

            202,833

 

  7    SOLE DISPOSITIVE POWER

 

            0

 

  8    SHARED DISPOSITIVE POWER

 

            202,833

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

            202,833 (see Item 4)

    
10  

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

 

 

    
11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

            0.5%

    
12  

TYPE OF REPORTING PERSON*

 

            PN

    

*SEE INSTRUCTION BEFORE FILLING OUT!

 

Page 12 of 21

CUSIP No. 969199108   13G  

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

 

            Pandora Select Fund, L.P.

    
  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)  ¨

(b)  x

    
  3  

SEC USE ONLY

 

    
  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

            Delaware

    

 

NUMBER OF  

SHARES  

BENEFICIALLY  

OWNED BY  

EACH  

REPORTING  

PERSON  

WITH:  

 

  

  5    SOLE VOTING POWER

 

            0

 

  6    SHARED VOTING POWER

 

            202,833

 

  7    SOLE DISPOSITIVE POWER

 

            0

 

  8    SHARED DISPOSITIVE POWER

 

            202,833

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

            202,833 (see Item 4)

    
10  

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

 

 

    
11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

            0.5%

    
12  

TYPE OF REPORTING PERSON*

 

            PN

    

*SEE INSTRUCTION BEFORE FILLING OUT!

 

Page 13 of 21

CUSIP No. 969199108   13G  

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

 

            Pandora Select Fund, Ltd.

    
  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)  ¨

(b)  x

    
  3  

SEC USE ONLY

 

    
  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

            British Virgin Islands

    

 

NUMBER OF  

SHARES  

BENEFICIALLY  

OWNED BY  

EACH  

REPORTING  

PERSON  

WITH:  

 

  

  5    SOLE VOTING POWER

 

            0

 

  6    SHARED VOTING POWER

 

            202,833

 

  7    SOLE DISPOSITIVE POWER

 

            0

 

  8    SHARED DISPOSITIVE POWER

 

            202,833

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

            202,833 (see Item 4)

    
10  

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

 

 

    
11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

            0.5%

    
12  

TYPE OF REPORTING PERSON*

 

            CO

    

*SEE INSTRUCTION BEFORE FILLING OUT!

 

Page 14 of 21

CUSIP No. 969199108   13G  

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

 

            Whitebox Special Opportunities Advisors, LLC

    
  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)  ¨

(b)  x

    
  3  

SEC USE ONLY

 

    
  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

            Delaware

    

 

NUMBER OF  

SHARES  

BENEFICIALLY  

OWNED BY  

EACH  

REPORTING  

PERSON  

WITH:  

 

  

  5    SOLE VOTING POWER

 

            0

 

  6    SHARED VOTING POWER

 

            419,985

 

  7    SOLE DISPOSITIVE POWER

 

            0

 

  8    SHARED DISPOSITIVE POWER

 

            419,985

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

            419,985 (see Item 4)

    
10  

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

 

 

    
11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

            1.0%

    
12  

TYPE OF REPORTING PERSON*

 

            IA

    

*SEE INSTRUCTION BEFORE FILLING OUT!

 

Page 15 of 21

CUSIP No. 969199108   13G  

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

 

            Whitebox Special Opportunities Series D Partners, L.P.

    
  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)  ¨

(b)  x

    
  3  

SEC USE ONLY

 

    
  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

            British Virgin Islands

    

 

NUMBER OF  

SHARES  

BENEFICIALLY  

OWNED BY  

EACH  

REPORTING  

PERSON  

WITH:  

 

  

  5    SOLE VOTING POWER

 

            0

 

  6    SHARED VOTING POWER

 

            419,985

 

  7    SOLE DISPOSITIVE POWER

 

            0

 

  8    SHARED DISPOSITIVE POWER

 

            419,985

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

            419,985 (see Item 4)

    
10  

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

 

 

    
11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

            1.0%

    
12  

TYPE OF REPORTING PERSON*

 

            PN

    

*SEE INSTRUCTION BEFORE FILLING OUT!

 

Page 16 of 21

CUSIP No. 969199108   13G  

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

 

            Whitebox Series D Master Portfolio II, L.P.

    
  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)  ¨

(b)  x

    
  3  

SEC USE ONLY

 

    
  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

            Delaware

    

 

NUMBER OF  

SHARES  

BENEFICIALLY  

OWNED BY  

EACH  

REPORTING  

PERSON  

WITH:  

 

  

  5    SOLE VOTING POWER

 

            0

 

  6    SHARED VOTING POWER

 

            419,985

 

  7    SOLE DISPOSITIVE POWER

 

            0

 

  8    SHARED DISPOSITIVE POWER

 

            419,985

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

            419,985 (see Item 4)

    
10  

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

 

 

    
11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

            1.0%

    
12  

TYPE OF REPORTING PERSON*

 

            PN

    

*SEE INSTRUCTION BEFORE FILLING OUT!

 

Page 17 of 21

CUSIP No. 969199108   13G  

 

  1  

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

 

            Whitebox Special Opportunities Fund, SPC Ltd. Segregrated Portfolio D

    
  2  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a)  ¨

(b)  x

    
  3  

SEC USE ONLY

 

    
  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

            British Virgin Islands

    

 

NUMBER OF  

SHARES  

BENEFICIALLY  

OWNED BY  

EACH  

REPORTING  

PERSON  

WITH:  

 

  

  5    SOLE VOTING POWER

 

            0

 

  6    SHARED VOTING POWER

 

            419,985

 

  7    SOLE DISPOSITIVE POWER

 

            0

 

  8    SHARED DISPOSITIVE POWER

 

            419,985

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

            419,985 (see Item 4)

    
10  

CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

 

 

    
11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

            1.0%

    
12  

TYPE OF REPORTING PERSON*

 

            CO

    

*SEE INSTRUCTION BEFORE FILLING OUT!

 

Page 18 of 21

Item 1.  

(a)

    Name of Issuer      
     Willbros Group Inc. (the “Company”)      
 

(b)

    Address of Issuer’s Principal Executive Offices      
    

Plaza 2000 Building

50th Street, 8th Floor

P.O.Box 0816-01098

Panama, Republic of Panama

      
Item 2.  

(a)

    Name of Person Filing      
     This statement is filed by:      
  (i)    Whitebox Advisors, LLC, a Delaware limited liability company (“WA”);      
  (ii)    Whitebox Combined Advisors, LLC a Delaware limited liability company (“WCA”).      
  (iii)    Whitebox Combined Partners, L.P. a British Virgin Islands limited partnership (“WCP”).      
  (iv)    Whitebox Combined Fund, L.P. a Delaware limited liability company (“WCFLP”).      
  (v)    Whitebox Combined Fund, Ltd. a British Virgin Islands limited partnership (“WCFLTD”).      
  (vi)    Whitebox Convertible Arbitrage Advisors, LLC, a Delaware limited liability company (“WCAA”);      
  (vii)    Whitebox Convertible Arbitrage Partners, L.P., a British Virgin Islands limited partnership (“WCAP”);      
  (viii)    Whitebox Convertible Arbitrage Fund, L.P., a Delaware limited partnership (“WCAFLP”);      
  (ix)    Whitebox Convertible Arbitrage Fund, Ltd., a British Virgin Islands business company (“WCAFLTD”);      
  (x)    Pandora Select Advisors, LLC, a Delaware limited liability company (“PSA”);      
  (xi)    Pandora Select Partners, L.P., a British Virgin Islands limited partnership (“PSP”);      
  (xii)    Pandora Select Fund, L.P., a Delaware limited partnership (“PSFLP”);      
  (xiii)    Pandora Select Fund, Ltd., a British Virgin Islands business company (“PSFLTD”);      
  (xiv )    Whitebox Special Opportunities Advisors, LLC a Delaware limited liability company (“WSOA”).      
  (xv)    Whitebox Special Opportunities Series D Partners, L.P. a British Virgin Islands limited partnership (“WSODP”).      
  (xvi)    Whitebox Series D Master Portfolio II, LP a Delaware limited liability company (“WSODFLP”).      
  (xvii)    Whitebox Special Opportunities Fund, SPC Ltd. - Segregated Portfolio D a British Virgin Islands limited partnership (“WSODFLTD).      
 

(b)

    Address of Principal Business Office or, if none, Residence      
     The address of the business office of WA, WCA, WCFLP, WCAA, WCAFLP, PSA, PSFLP, WSOA, and WSODFLP is:      
    

3033 Excelsior Boulevard

Suite 300

Minneapolis, MN 55416

      
     The address of the business office of WCP, WCFLTD, WCAP, WCAFLTD, PSA, PSFLTD, WSODP, and WSODFLTD is:      
    

Trident Chambers, P.O. Box 146

Waterfront Drive, Wickhams Cay

Road Town, Tortola, British Virgin Islands

      
 

(c)

    Citizenship      
     WA, WCA, WCFLP, WCAA, WCAFLP, PSA, PSFLP WSOA, and WSODFLP are organized under the laws of the State of Delaware; WCP, WCFLTD, WCAP, WCAFLTD, PSP, PSFLTD WSODP, and WSODFLTO are organized under the laws of the British Virgin Islands.      
 

(d)

    Title of Class of Securities      
     Common Stock      
 

(e)

    CUSIP Number      
     969199108      
Item 3.   If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:   
  (a)    ¨    Broker or dealer registered under section 15 of the Act.
  (b)    ¨    Bank as defined in section 3(a)(6) of the Act.
  (c)    ¨    Insurance company as defined in section 3(a)(19) of the Act.
  (d)    ¨    Investment company registered under section 8 of the Investment Company Act of 1940.
  (e)    x    An investment adviser 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.
  (i)    ¨   

A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the

Investment Company Act of 1940.

  (j)    ¨    Group, in accordance with § 240.13d-1(b)(1)(ii)(J).
 

In addition to the investment advisers on behalf of whom this statement is filed pursuant to § 240.13d-1(b), this statement is also filed on behalf of the following persons pursuant to § 240.13d-1(c): WCFLP WCAFLP, PSFLP, WSODFLP, WCP. WCAP, PSP, WSODP, WCFLTD, WCAFLTD, PSFLTD and WSODFLTD.

 

Page 19 of 21

Item 4.    Ownership      
   (a)    Amount Beneficially Owned      
     

WA, acting as investment adviser to its clients, is deemed to beneficially own 2,551,952 shares of Common Stock of the Company.

 

WCA, acting as investment advisor to its clients, is deemed to beneficially own 1,003,650 Shares of Common Stock of the company.

 

WCP is deemed to beneficially own 1,003,650 shares of Common Stock of the as a result of its indirect ownership of convertible bonds and warrants of the company

 

WCFLP is deemed to beneficially own 1,003,650 shares of Common Stock of the as a result of its indirect ownership of convertible bonds and warrants of the company

 

WCFLTD is deemed to beneficially own 1,003,650 shares of Common Stock of the as a result of its indirect ownership of convertible bonds and warrants of the company

 

WCAA, acting as investment adviser to its clients, is deemed to beneficially own 925,483 shares of Common Stock of the Company.

 

WCAP is deemed to beneficially own 925,483 shares of Common Stock of the Company as a result of its direct ownership of convertible bonds and warrants of the Company.

 

WCAFLP is deemed to beneficially own 925,483 shares of Common Stock of the Company as a result of its indirect ownership of convertible bonds and warrants of the Company.

 

WCAFLTD is deemed to beneficially own 925,483 shares of Common Stock of the Company as a result of its indirect ownership of convertible bonds and warrants of the Company.

 

PSA, acting as investment adviser to its clients, is deemed to beneficially own 202,833 shares of Common Stock of the Company.

 

PSP is deemed to beneficially own 202,833 shares of Common Stock of the Company as a result of its direct ownership of convertible bonds and warrants of the Company.

 

PSFLP is deemed to beneficially own 202,833 shares of Common Stock of the Company as a result of its indirect ownership of convertible bonds and warrants of the Company.

 

PSFLTD is deemed to beneficially own 202,833 shares of Common Stock of the Company as a result of its indirect ownership of convertible bonds and warrants of the Company.

 

WSOA, acting as investment advisor to its clients, is deemed to beneficially own 419,985 Shares of Common Stock of the company.

 

WSODP is deemed to beneficially own 419,985 shares of Common Stock of the as a result of its indirect ownership of convertible bonds of the company

 

WSODFLP is deemed to beneficially own 419,985 shares of Common Stock of the as a result of its indirect ownership of convertible bonds of the company

 

WSODFLTD is deemed to beneficially own 419,985 shares of Common Stock of the as a result of its indirect ownership of convertible bonds of the company

 

As a result of the relationships described in this statement, each of WA, WCA, WCFLP, WCFLTD, WCAA, WCAFLP, WCAFLTD, PSA, PSP, PSFLP, PSFLTD WSOA, WSODFLP, WSODFLTD may be deemed to possess indirect beneficial ownership of the shares of Common Stock issuable upon the conversion of convertible bonds held by one or more of WCP, WSODP WCAP, PSP and other investment advisory clients. WA, WCA, WCFLP, WCFLTD, WCAA, WCAFLP, WCAFLTD, PSA, PSFLP, PSFLTD WSOA, WSODFLP, and WSODFLTD each disclaim indirect beneficial ownership of the shares of Common Stock except to the extent of their pecuniary interest in such shares.

 

Based on the relationships described herein, these entities may be deemed to constitute a “group” within the meaning of Rule 13d-5(b)(1) under the Securities Exchange Act of 1934. The filing of this statement shall not be construed as an admission that WA, WCA WCAA, PSA, WSOA, WCP WCAP, PSP, WSODP, WCFLP,WCAFLP, PSFLP, WSODFLP, WCFLTD, WCAFLTD, PSFFLTD, and WSODFLTD are a group, or have agreed to act as a group.

   (b)    Percent of Class      
     

WA is deemed to beneficially own 6.1% of the Company’s Common Stock.

 

WCA is deemed to beneficially own 2.4 % of the company’s Common Stock

 

WCP is deemed to beneficially own 2.4 % of the company’s Common Stock

 

WCFLP is deemed to beneficially own 2.4 % of the company’s Common Stock

 

WCFLTD is deemed to beneficially own 2.4 % of the company’s Common Stock

 

WCAA is deemed to beneficially own 2.2% of the Company’s Common Stock.

 

WCAP is deemed to beneficially own 2.2% of the Company’s Common Stock.

 

WCAFLP is deemed to beneficially own 2.2% of the Company’s Common Stock.

 

WCAFLTD is deemed to beneficially own 2.2% of the Company’s Common Stock.

 

PSA is deemed to beneficially own 0.5% of the Company’s Common Stock.

 

PSP is deemed to beneficially own 0.5% of the Company’s Common Stock.

 

PSFLP is deemed to beneficially own 0.5% of the Company’s Common Stock.

 

PSFLTD is deemed to beneficially own 0.5% of the Company’s Common Stock.

 

WSOA is deemed to beneficially own 1.0 % of the company’s Common Stock

 

WSODP is deemed to beneficially own 1.0 % of the company’s Common Stock

 

WSODFLP is deemed to beneficially own 1.0 % of the company’s Common Stock

 

WSODFLTD is deemed to beneficially own 1.0 % of the company’s Common Stock

 

The percentage of Common Stock reportedly owned by each entity herein is based on 41,750,952 shares of outstanding Common Stock of the Company, which is the total number of shares issued and outstanding on October 31, 2008, plus Common Stock issuable upon the conversion of Convertible Bonds and Warrants.

   (c)    Number of shares as to which such person has:      
      (i)    Sole power to vote or to direct the vote      
         0      
      (ii)    Shared power to vote or to direct the vote      
        

WA has shared voting power with respect to 2,551,952 shares of the Company’s Common Stock.

 

WCA, WCP, WCFLP, and WCFLTD have shared voting power with respect to 1,008,650 Shares of the Company’s Common Stock.

 

WCAA, WCAP, WCAFLP, and WCAFLTD have shared voting power with respect to 925,483 shares of the Company’s Common Stock.

 

PSA, PSP, PSFLP, and PSFLTD have shared voting power with respect to 202,833 shares of the Company’s Common Stock.

 

WSOA, WSODP, WSODFLP, and WSODFLTD have shared voting power with respect to 419,985 Shares of the Company’s Common Stock.

      (iii)    Sole power to dispose or to direct the disposition of      
         0      
      (iv)    Shared power to dispose or to direct the disposition of      
        

WA has shared power to direct the disposition of 2,551,952 shares of the Company’s Common Stock.

 

WCA, WCP, WCFLP, and WCFLTD have shared power to direct the disposition of 1,003,650 Shares of the Company’s Common Stock.

 

WCAA, WCAP, WCAFLP, and WCAFLTD have shared power to direct the disposition of 925,483 shares of the Company’s Common Stock.

 

PSA, PSP, PSFLP, and PSFLTD have shared power to direct the disposition of 202,833 shares of the Company’s Common Stock.

 

WSOA, WSODP, WSODFLP, and WSODFLTD have shared power to direct the disposition of 419,985 Shares of the Company’s Common Stock.

   Instruction. For computations regarding securities which represent a right to acquire an underlying security see §240.13d3(d)(1).
Item 5.    Ownership of Five Percent or Less of a Class   
   If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following  ¨.
   Not Applicable
   Instruction. Dissolution of a group requires a response to this item.
Item 6.    Ownership of More than Five Percent on Behalf of Another Person.      
   Not Applicable      
Item 7.    Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.
   Not Applicable
Item 8.    Identification and Classification of Members of the Group      
   See Item 2      
Item 9.    Notice of Dissolution of Group      
   Not Applicable      
Item 10.    Certification      
  

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

 

February 19, 2009

Date

/s/ Jonathan D. Wood

Signature

Jonathan D. Wood, Chief Operating Officer of Whitebox Advisors, LLC, on behalf of Whitebox Convertible Arbitrage Advisors, LLC, and Pandora Select Advisors, LLC

Name/Title

 

Page 20 of 21

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

 

February 19, 2009

Date

/s/ Jonathan D. Wood

Signature

Jonathan D. Wood, Chief Operating Officer of Whitebox Advisors, LLC, on behalf of Whitebox Convertible Arbitrage Partners, L.P., Whitebox Convertible Arbitrage Fund, L.P., Whitebox Convertible Arbitrage Fund, Ltd., Whitebox Pandora Select Partners, L.P., Pandora Select Fund, L.P., and Pandora Select Fund, Ltd.

Name/Title

The original statement shall be signed by each person on whose behalf the statement is filed or his authorized representative. If the statement is signed on behalf of a person by his authorized representative other than an executive officer or general partner of the filing person, evidence of the representative’s authority to sign on behalf of such person shall be filed with the statement, provided, however, that a power of attorney for this purpose which is already on file with the Commission may be incorporated by reference. The name and any title of each person who signs the statement shall be typed or printed beneath his signature.

NOTE: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See § 240.13d-7 for other parties for whom copies are to be sent.

Attention: Intentional misstatements or omissions of fact constitute Federal criminal violations (See 18 U.S.C. 1001)

 

Page 21 of 21

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