SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 8-K

CURRENT REPORT

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

Date of Report (Date of earliest event reported): September 9, 2004

Tesoro Petroleum Corporation

(Exact name of registrant as specified in its charter)

Delaware (State or other jurisdiction of incorporation)	1-3473 (Commission File Number)	95-0862768 (IRS Employer Identification No.)
300 Concord Plaza Drive San Antonio, Texas (Address of principal executive offices)		78216-6999 (Zip Code)
(210) 828-8484 (Registrant’s telephone number, including area code)   Not Applicable (Former name or former address, if changed since last report)

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:

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

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

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

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

TABLE OF CONTENTS

	Item 7.01 Regulation FD Disclosure.
	Item 9.01 Financial Statements and Exhibits.
SIGNATURES
Index to Exhibits
Slide Presentation

Item 7.01 Regulation FD Disclosure.

On September 9, 2004 at 2:25 p.m. Eastern Time, Bruce A. Smith, Chairman, President and Chief Executive Officer of Tesoro Petroleum Corporation (“the Company”), presented to certain investors at the 18th Annual Lehman Brothers CEO Energy/Power Conference the information presented in the slides as filed as Exhibit 99.1 to this Current Report which is incorporated herein by reference. The presentation and the accompanying slides can be viewed on the Company’s website at www.tesoropetroleum.com at the time of the presentation.

The information in this Current Report is being furnished, not filed, pursuant to Regulation FD. Pursuant to General Instruction B.2 of Form 8-K, the foregoing information, including Exhibit 99.1, shall not be deemed “filed” for the purposes of Section 18 of the Exchange Act or otherwise subject to the liabilities of that section.

Item 9.01 Financial Statements and Exhibits.

(c) Exhibits

99.1 Slide presentation given on September 9, 2004.

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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.

Date: September 9, 2004
	TESORO PETROLEUM CORPORATION
	By:	/s/ Gregory A. Wright
		Gregory A. Wright
		Executive Vice President and Chief Financial Officer

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Index to Exhibits

Exhibit
Number	Description
99.1	Slide presentation given on September 9, 2004.

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