Weatherford International Ltd./Switzerland (WFT) 10-K 2009 FY Annual report

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the following Registration Statements:

Registration Statement Form S-3 (No. 333-150764) of Weatherford International Ltd.,

Registration Statement Form S-3 (No. 333-135244) of Weatherford International Ltd.,

Registration Statement Form S-4 (No. 333-146695-1) of Weatherford International, Inc. and Weatherford International Ltd.,

Registration Statement Form S-8 (No. 033-65790-99) pertaining to the Weatherford International, Inc. Executive Deferred Compensation Stock Ownership Plan,

Registration Statement Form S-8 (No. 033-64349-99) pertaining to the Weatherford International Ltd. Amended and Restated Non-Employee Director Stock Option Plan,

Registration Statement Form S-8 (No. 333-13531-99) pertaining to the Weatherford International, Inc. Executive Deferred Compensation Stock Ownership Plan; and Weatherford International, Inc. Foreign Executive Deferred Compensation Stock Plan,

Registration Statement Form S-8 (No. 333-36598-99) pertaining to the Weatherford International, Inc. 1998 Employee Stock Option Plan; Weatherford International, Inc. 401(k) Savings Plan; and Stock Option Agreements dated September 8, 1998 with Non-employee Directors,

Registration Statement Form S-8 (No. 333-48320-99) pertaining to the Weatherford International, Inc. 1998 Employee Stock Option Plan,

Registration Statement Form S-8 (No. 333-48322-99) pertaining to the Weatherford Stock Option Agreements dated July 5, 2000 with Non-Employee Directors,

Registration Statement Form S-8 (No. 333-53633-99) pertaining to the Weatherford International Ltd. Amended and Restated Non-Employee Director Stock Option Plan,

Registration Statement Form S-8 (No. 333-81678-99) pertaining to the Weatherford International, Inc. 1998 Employee Stock Option Plan,

Registration Statement Form S-8 (No. 333-81676-99) pertaining to the Stock Option Agreements dated September 26, 2001 with Non-Employee Directors of Weatherford International Ltd.,

Registration Statement Form S-8 (No. 333-112378) pertaining to the Weatherford International, Inc. Non-Employee Director Deferred Compensation Plan; Weatherford International, Inc. Foreign Executive Deferred Compensation Stock Plan; Weatherford International Ltd. Restricted Shares Plan; Weatherford International, Inc. 401(k) Savings Plan, and

Registration Statement Form S-8 (No. 333-134425) pertaining to the Weatherford International Ltd. 2006 Omnibus Incentive Plan;

of Weatherford International Ltd. of our reports dated March 1, 2010, with respect to the consolidated financial statements and schedule of Weatherford International Ltd., and the effectiveness of internal control over financial reporting of Weatherford International Ltd., included in this Annual Report (Form 10-K) for the year ended December 31, 2009.

/s/ Ernst & Young LLP

Houston, Texas
March 1, 2010