-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
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<SEC-DOCUMENT>0001140361-11-006968.txt : 20110208
<SEC-HEADER>0001140361-11-006968.hdr.sgml : 20110208
<ACCEPTANCE-DATETIME>20110208141209
ACCESSION NUMBER:		0001140361-11-006968
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20110208
DATE AS OF CHANGE:		20110208

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NABORS INDUSTRIES LTD
		CENTRAL INDEX KEY:			0001163739
		STANDARD INDUSTRIAL CLASSIFICATION:	DRILLING OIL & GAS WELLS [1381]
		IRS NUMBER:				980363970
		STATE OF INCORPORATION:			D0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-78460
		FILM NUMBER:		11581856

	BUSINESS ADDRESS:	
		STREET 1:		MINTFLOWER PLACE
		STREET 2:		8 PAR-LA-VILLE ROAD
		CITY:			HAMILTON, HM08
		STATE:			D0
		ZIP:			0000
		BUSINESS PHONE:		2464219471

	MAIL ADDRESS:	
		STREET 1:		P O BOX HM3349
		CITY:			HAMILTON, HMPX
		STATE:			D0
		ZIP:			0000

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CITIGROUP INC
		CENTRAL INDEX KEY:			0000831001
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				521568099
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		399 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10043
		BUSINESS PHONE:		2125591000

	MAIL ADDRESS:	
		STREET 1:		399 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10043

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TRAVELERS GROUP INC
		DATE OF NAME CHANGE:	19950519

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TRAVELERS INC
		DATE OF NAME CHANGE:	19940103

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PRIMERICA CORP /NEW/
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>sc13ga.txt
<DESCRIPTION>NABORS INDUSTRIES LTD SC13G-A 12-31-2010
<TEXT>

                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549



                                  SCHEDULE 13G

                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                               (AMENDMENT NO. 1)*


                             Nabors Industries Ltd.
- --------------------------------------------------------------------------------
                                (Name of Issuer)

                                  Common Stock
- --------------------------------------------------------------------------------
                         (Title of Class of Securities)


                                   G6359F-10-3
            --------------------------------------------------------
                                 (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:

   /X/       Rule 13d-1(b)
   / /       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).


                                      Page 1
                                    of 6 Pages

<Page>

                                       13G

CUSIP NO. G6359F-10-3                                         Page 2 of 6 Pages


- -------------------------------------------------------------------------------
 (1) NAMES OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

     Citigroup Inc.
- -------------------------------------------------------------------------------
 (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)

                                                                       (a)  / /
                                                                       (b)  / /
- -------------------------------------------------------------------------------
 (3) SEC USE ONLY



- -------------------------------------------------------------------------------
 (4) CITIZENSHIP OR PLACE OF ORGANIZATION                              Delaware



- -------------------------------------------------------------------------------
       NUMBER OF           (5) SOLE VOTING POWER                              0

        SHARES
                           ----------------------------------------------------
     BENEFICIALLY          (6) SHARED VOTING POWER                  14,930,403*

       OWNED BY
                           ----------------------------------------------------
        EACH               (7) SOLE DISPOSITIVE POWER                         0

      REPORTING
                           ----------------------------------------------------
       PERSON              (8) SHARED DISPOSITIVE POWER             14,930,403*

        WITH:
- -------------------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON    14,930,403*




- -------------------------------------------------------------------------------
(10) CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE
     INSTRUCTIONS)  / /


- -------------------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)                    5.0%*




- -------------------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)                             HC


- -------------------------------------------------------------------------------
*   Assumes conversion/exercise of certain securities held.


<Page>

Item 1(a).     Name of Issuer:

               Nabors Industries Ltd.

Item 1(b).     Address of Issuer's Principal Executive Offices:

               Mintflower Place
               8 Par-La-Ville Road
               Hamilton, HM08 Bermuda

Item 2(a).     Name of Person Filing:

               Citigroup Inc. ("Citigroup")

Item 2(b).     Address of the Principal Business Office or, if none, Residence:

               The address of the principal business office of Citigroup is:

               399 Park Avenue
               New York, NY 10043

Item 2(c).     Citizenship:

               Citigroup is a Delaware corporation.

Item 2(d).     Title of Class of Securities:

               Common Stock

Item 2(e).     CUSIP Number:

               G6359F-10-3


                                     Page 3
                                   of 6 Pages
<Page>

Item 3.      If This Statement Is Filed Pursuant to Sections 240.13d-1(b) or
             240.13d-2(b) or (c), Check Whether the Person Filing Is a(n):

             (a)  [ ] Broker or dealer 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)  [ ] Investment adviser in accordance with Section
                      240.13d-1(b)(1)(ii)(E);

             (f)  [ ] Employee benefit plan or endowment fund in accordance
                      with Section 240.13d-1(b)(1)(ii)(F);

             (g)  [X] Parent holding company or control person in accordance
                      with Section 240.13d-1(b)(1)(ii)(G): See Exhibit 1;

             (h)  [ ] Savings association as defined in Section 3(b) of the
                      Federal Deposit Insurance Act (12 U.S.C. 1813);

             (i)  [ ] Church plan that is excluded from the definition of an
                      investment company under Section 3(c)(14) of the
                      Investment Company Act of 1940 (15 U.S.C. 80a-3);

             (j)  [ ] A non-U.S. institution in accordance with Section
                      240.13d-1(b)(1)(ii)(J);

             (k)  [ ] Group, in accordance with Section 240.13d-1(b)(1)(ii)(K).
                      If filing as a non-U.S. institution in accordance with
                      Section 240.13d-1(b)(1)(ii)(J), please specify the type
                      of institution: ____________________________ .


Item 4.   Ownership. (as of December 31, 2010)

          (a)  Amount beneficially owned: See item 9 of cover pages

          (b)  Percent of class: See item 11 of cover pages

          (c)  Number of shares as to which the person has:

                  (i)   Sole power to vote or to direct the vote:

                  (ii)  Shared power to vote or to direct the vote:

                  (iii) Sole power to dispose or to direct the disposition of:

                  (iv)  Shared power to dispose or to direct the disposition of:


                  See Items 5-8 of cover pages


                                     Page 4
                                   of 6 Pages
<Page>

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 [X].

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.

          See Exhibit 1 for the identity and classification of the relevant
          subsidiaries which directly beneficially own the securities reported
          herein.

Item 8.   Identification and Classification of Members of the Group.

          Not Applicable.

Item 9.   Notice of Dissolution of Group.

          Not Applicable.



                                     Page 5
                                   of 6 Pages

<Page>

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.

Dated: February 8, 2011


                      CITIGROUP INC.



                      By: /s/ Ali L. Karshan
                         --------------------------------------------
                         Name:   Ali L. Karshan
                         Title:  Assistant Secretary




                                     Page 6
                                   of 6 Pages

<PAGE>


                          EXHIBIT INDEX TO SCHEDULE 13G
                          -----------------------------



EXHIBIT 1
- ---------

Identification and Item 3 Classification of the subsidiaries which acquired the
securities being reported by the parent holding companies.
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>ex99_1.txt
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
                                   EXHIBIT 1
                                   ---------


  IDENTIFICATION AND CLASSIFICATION OF SUBSIDIARIES WHICH ACQUIRED SECURITIES
  ---------------------------------------------------------------------------

  Citibank, N.A. is a bank as defined in Section 3(a)(6) of the Act (15 U.S.C.
  78c)

  Each of the undersigned hereby affirms the indentification and Item 3
  classification of the subsidiaries which acquired the security holdings
  reported in this Schedule 13G.


  Date: February 8, 2011



                      CITIGROUP INC.



                      By: /s/ Ali L. Karshan
                         --------------------------------------------
                         Name:   Ali L. Karshan
                         Title:  Assistant Secretary
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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