Transocean Ltd. 公布两项价值5.5亿美元的合同

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 8-K

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CURRENT REPORT
Pursuant to Section 13 or 15(d) of
the Securities Exchange Act of 1934

Date of report (date of earliest event reported): October 19, 2026

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TRANSOCEAN LTD.

(Exact name of Registrant as specified in its charter)

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Registrant’s telephone number, including area code: +41 (41) 749-0500

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

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☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

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☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

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☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

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Emerging growth company ☐

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If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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Item 7.01Regulation FD Disclosure.

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Transocean Ltd. announced contract awards for two of its ultra-deepwater drillships in the U.S. Gulf. In aggregate, the fixtures represent approximately $550 million in firm contract backlog.

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The Deepwater Proteus was awarded a ten-well contract with an undisclosed operator in the U.S. Gulf. The estimated 700-day campaign is expected to contribute approximately $325 million in backlog and commence in the first quarter of 2027 in direct continuation of the rig’s current U.S. Gulf contract.

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The Deepwater Conqueror was awarded a five-well contract with an undisclosed operator in the U.S. Gulf. The estimated 450 days of work is expected to contribute approximately $225 million in backlog, excluding mobilization fees, and commence in the third quarter of 2027 in direct continuation of the rig’s program in Equatorial Guinea.

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A copy of the press release announcing the fixture referred to above is attached hereto and incorporated herein by reference as Exhibit 99.1.

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Item 9.01Financial Statements and Exhibits.

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(d)  Exhibits.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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