----

| þ  |   | ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934     |
|---------|--------|------------------------------------------------------------------------------------------|
|    |   | For the fiscal year ended December 31, 2012                                              |
| OR      |
|    |   |                                                                                     |
|  o |   | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |

|                                                           |   |                              |
|----------------------------------------------------------------|--------|-----------------------------------|
| Switzerland                                                    |   | 98-0606750                        |
| (State or other jurisdiction of incorporation or organization) |   | (IRS Employer Identification No.) |
|                                                           |   |                              |
| 4-6 Rue Jean-Francois Bartholoni,1204 Geneva, Switzerland      |   | Not Applicable                    |
| (Address of principal executive offices)                       |   | (Zip Code)                        |

|                                                     |   |                                                         |
|----------------------------------------------------------|--------|--------------------------------------------------------------|
| Title of each class                                      |   | Name of each exchange on which registered                    |
| Registered Shares, par value 1.16 Swiss francs per share |   | New York Stock ExchangeSIX Stock ExchangeNYSE Euronext Paris |

|                           |                |                    |                        |
|--------------------------------|---------------------|-------------------------|-----------------------------|
| Large accelerated filer þ | Accelerated filer o | Non-accelerated filer o | Smaller reporting company o |

----

----

----

|   |   | Weatherford International Ltd. |
|--------|--------|--------------------------------|
|   |   |                           |
|   |   |                           |
|   | By:    | /s/ Bernard J. Duroc-Danner    |
|   |   | Bernard J. Duroc-Danner        |
|   |   | Chief Executive Officer        |
|   |   |                           |
|   |   | Date:  November 4, 2013   |
|   |   |                           |

----

|          |                                                                                                      |
|---------------|-----------------------------------------------------------------------------------------------------------|
| ExhibitNumber | Description                                                                                               |
| †31.1   | Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.  |
| †31.2   | Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.  |
| **32.1        | Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.  |
| **32.2        | Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.  |