Exhibit 10.4

LICENSE AGREEMENT

This License Agreement (this “Agreement”) is effective as of November 12, 2015
(“Effective Date”), by and between Tesoro Refining & Marketing Company LLC, a
Delaware limited liability company (“TRMC”), and Tesoro Logistics Operations
LLC, a Delaware limited liability company (“TLO”).

A.    WHEREAS, TRMC is the owner of those certain parcels of real property as
shown on the asset map (“Map”) attached hereto as Exhibit A (the “Facility”);

B.    WHEREAS, TRMC, TLO, Carson Cogeneration Company, a Delaware corporation,
Tesoro Logistics LP, a Delaware limited partnership, Tesoro SoCal Pipeline
Company LLC, a Delaware limited liability company, Tesoro Corporation, a
Delaware corporation, and Tesoro Logistics GP, LLC, a Delaware limited liability
company, have entered that certain Contribution, Conveyance and Assumption
Agreement effective as of November 12, 2015 (the “Contribution Agreement”);

C.    WHEREAS, pursuant to the Contribution Agreement, TRMC has transferred
certain assets to TLO (the “Transferred Assets”);

D.    WHEREAS, TRMC and TLO have entered in that certain Carson II Storage
Services Agreement, effective November 12, 2015 (the “Storage Services
Agreement”), pursuant to which TLO has agreed to provide certain storage and
handling services to TRMC utilizing the Transferred Assets (the “Services”)
(capitalized terms used in this Agreement but not defined herein shall have the
meanings given to them in the Storage Services Agreement);

E.    WHEREAS, TRMC desires to give TLO access to certain portions of the
Facility from time to time for the purpose of operating and maintaining the
Transferred Assets and providing the Services; and

F.    WHEREAS, TRMC and TLO desire to enter into this Agreement for the purpose
of permitting such access, all on the terms and conditions herein set forth.
NOW, THEREFORE, in consideration of the recitals set forth above (which recitals
are incorporated herein by this reference), the mutual covenants herein, and
other good and valuable consideration, the receipt and adequacy of which are
hereby acknowledged, the parties agree as follows:

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1.     Access Rights.

(a)    Access Rights to TLO. Subject to the terms and conditions of this
Agreement, TRMC grants to TLO and its agents, representatives and contractors
(collectively, “Agents”) and each of their employees (the Agents, together with
TLO, and each of their employees, hereinafter defined as the “Users”), the
non-exclusive right to access those areas of the Facility designated on the Map
as the “TLO Access Areas”, and those pumps, pipelines, sheds, facilities and
equipment included in the Transferred Assets (or otherwise necessary for the
operation of the Transferred Assets) and not situated within the TLO Access
Areas (“Infrastructure”), in each case for the purpose described herein. TRMC
will permit the Users access through the Facility (through areas designated by
TRMC) in order to access the TLO Access Areas and Infrastructure for the purpose
described herein, on the terms and conditions of this Agreement.
(b)    Purpose. The Users' access to the TLO Access Areas and Infrastructure
shall be for the limited purpose of operating and maintaining the Transferred
Assets and Infrastructure and providing the Services.
(c)    Tankage Placement. Subject to the terms and conditions of this Agreement,
TRMC grants to TLO the right to keep in place the Transferred Assets within the
TLO Access Areas and other parts of the Facility in their current location and
configuration.
(d)    Minimal Interference. The Users shall access the Facility at all times in
a manner so as to cause minimal interference with TRMC’s operations.
(e)    Term. The rights set forth in this Section 1 constitute a revocable
license, shall commence on the Effective Date, and terminate upon thirty (30)
days’ written notice of termination provided by TRMC to TLO. All obligations
that accrue prior to such termination shall survive the termination.
(f)    Pre-Existing Rights. The rights set forth in this Agreement are subject
to any pre-existing rights, licenses and easements over the Facility and any
reserved rights set forth in this Agreement.
2.    Facility Rules; Compliance with Laws. TLO shall comply, and shall cause
the Users to comply, with all rules, regulations and requirements imposed by
TRMC with respect to the Facility, including, without limitation, authorized
entry procedures (“Facility Rules”), and all applicable federal, state and local
laws, statutes, ordinances, rules, and regulations, including, without
limitation, the obligation to obtain and comply with all permits and licenses
required by law (“Applicable Laws”). TLO agrees that all vehicles and equipment
owned, leased or otherwise under the control of TLO or its Agents will be
properly maintained, and kept in a safe condition. TLO shall promptly remove any
equipment of TLO or its Agents that in TRMC's discretion poses a safety hazard
at the Facility. TLO shall be responsible for the Users and their compliance
and/or non-compliance with the Facility Rules, Applicable Laws, and the terms of
this Agreement.

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3.    Notices. All notices, requests, demands, and other communications
hereunder will be in writing and All notices or requests or consents provided
for by, or permitted to be given pursuant to, this Agreement must be in writing
and must be given by depositing same in the United States mail, addressed to the
party to be notified, postpaid, and registered or certified with return receipt
requested or by delivering such notice in person or by facsimile to such party.
Notice given by personal delivery or mail shall be effective upon actual
receipt. Notice given by facsimile shall be effective upon actual receipt if
received during the recipient’s normal business hours or at the beginning of the
recipient’s next business day after receipt if not received during the
recipient’s normal business hours. All notices to be sent to a party pursuant to
this Agreement shall be sent to or made at the address set forth below or at
such other address as such party may stipulate to the other parties in the
manner provided in this Section 3.
If to TRMC, to:
Tesoro Refining & Marketing Company LLC
19100 Ridgewood Parkway
San Antonio, Texas 78259
For legal notices:
Attention: Charles A. Cavallo III, VP Associate General Counsel
phone: (210) 626-4045
email: Charles.A.Cavallo@tsocorp.com
If to TLO, to:
Tesoro Logistics Operations LLC
19100 Ridgewood Parkway
San Antonio, Texas 78259
For legal notices:
Attention: Barron Dowling, Associate General Counsel
phone: (210) 626-4415
email: Barron.W.Dowling@tsocorp.com
For all other notices and communications:
Attention: Don J. Sorensen, Vice President, Operations
phone: (210) 626-6195
email: Don.J.Sorensen@tsocorp.com

or to such other address or to such other person as either party will have last
designated by notice to the other party.

4.    Reserved Rights. TRMC reserves the right to take any and all actions for
the construction, installation, repair, replacement and maintenance of the
improvements and utilities on the Facility as necessary or desirable for the
orderly and proper development, maintenance, repair and operation of the
Facility. Nothing herein shall restrict TRMC from granting to any public
utility, public body or authority, or to any third party, rights over or under
the Facility for utility lines and facilities, water, storm and sanitary sewer,
and related conduits and facilities, or for drainage or slope purposes, or for
pipeline purposes, so long as such easements do not materially and adversely
affect the rights and privileges granted to TLO in this Agreement.

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5.    General Provisions.
(a)    Costs. Each party shall pay its own costs and expenses with respect to
the transactions contemplated by this Agreement.
(b)    Headings; References; Interpretation. All Article and Section headings in
this Agreement are for convenience only and shall not be deemed to control or
affect the meaning or construction of any of the provisions hereof. The words
“hereof,” “herein” and “hereunder” and words of similar import, when used in
this Agreement, shall refer to this Agreement as a whole, including, without
limitation, any Exhibit attached hereto, and not to any particular provision of
this Agreement. All references herein to Articles, Sections and Exhibits shall,
unless the context requires a different construction, be deemed to be references
to the Articles and Sections of this Agreement and the Exhibit attached hereto,
and any such Exhibit attached hereto is hereby incorporated herein and made a
part hereof for all purposes. All personal pronouns used in this Agreement,
whether used in the masculine, feminine or neuter gender, shall include all
other genders, and the singular shall include the plural and vice versa. The use
herein of the word “including” following any general statement, term or matter
shall not be construed to limit such statement, term or matter to the specific
items or matters set forth immediately following such word or to similar items
or matters, whether or not non-limiting language (such as “without limitation,”
“but not limited to” or words of similar import) is used with reference thereto,
but rather shall be deemed to refer to all other items or matters that could
reasonably fall within the broadest possible scope of such general statement,
term or matter.
(c)    Successors and Assigns. This Agreement shall be binding upon and inure to
the benefit of the parties and their respective successors and assigns.
(d)    No Third Party Rights. The provisions of this Agreement are intended to
bind the parties as to each other and are not intended to and do not create
rights in any other person or confer upon any other person any benefits, rights
or remedies, and no person is or is intended to be a third party beneficiary of
any of the provisions of this Agreement.
(e)    Counterparts. This Agreement may be executed in any number of
counterparts (including facsimile or .pdf copies) with the same effect as if all
parties had signed the same document. All counterparts shall be construed
together and shall constitute one and the same instrument.
(f)    Applicable Law; Forum, Venue and Jurisdiction. This Agreement shall be
construed in accordance with and governed by the laws of the State of Texas,
without regard to the principles of conflicts of law. Each of the parties (i)
irrevocably agrees that any claims, suits, actions or proceedings arising out of
or relating in any way to this Agreement shall be exclusively brought in any
federal court of competent jurisdiction situated in the United States District
Court for the Western District of Texas, San Antonio Division, or if such
federal court declines to exercise or does not have jurisdiction, in the
district court of Bexar County, Texas, in each case regardless of whether such
claims, suits, actions or proceedings sound in contract, tort, fraud or
otherwise, are based on common law, statutory, equitable, legal or other
grounds, or are derivative or direct claims, (ii) irrevocably submits to the
exclusive jurisdiction of the United States District Court for the

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Western District of Texas, San Antonio Division, or if such federal court
declines to exercise or does not have jurisdiction, of the district court of
Bexar County, Texas in connection with any such claim, suit, action or
proceeding, (iii) agrees not to, and waives any right to, assert in any such
claim, suit, action or proceeding that (A) it is not personally subject to the
jurisdiction of the United States District Court for the Western District of
Texas, San Antonio Division, or the district court of Bexar County, Texas, or of
any other court to which proceedings in such courts may be appealed, (B) such
claim, suit, action or proceeding is brought in an inconvenient forum, or (C)
the venue of such claim, suit, action or proceeding is improper, (iv) expressly
waives any requirement for the posting of a bond by a party bringing such claim,
suit, action or proceeding and (v) consents to process being served in any such
claim, suit, action or proceeding by mailing, certified mail, return receipt
requested, a copy thereof to such party at the address in effect for notices
hereunder or by personal service within or without the State of Texas, and
agrees that service in such forms shall constitute good and sufficient service
of process and notice thereof; provided, however, that nothing in clause (v)
hereof shall affect or limit any right to serve process in any other manner
permitted by law.
(g)    Severability. If any of the provisions of this Agreement are held by any
court of competent jurisdiction to contravene, or to be invalid under, the laws
of any political body having jurisdiction over the subject matter hereof, such
contravention or invalidity shall not invalidate the entire Agreement. Instead,
this Agreement shall be construed as if it did not contain the particular
provision or provisions held to be invalid and an equitable adjustment shall be
made and necessary provision added so as to give effect to the intention of the
parties as expressed in this Agreement at the time of execution of this
Agreement.
(h)    Amendment or Modification. This Agreement may be amended or modified from
time to time only by the written agreement of all the parties. Each such
instrument shall be reduced to writing and shall be designated on its face as an
amendment to this Agreement.
(i)    Integration. This Agreement, together with the Exhibit referenced herein,
constitutes the entire agreement among the parties pertaining to the subject
matter hereof and supersedes all prior agreements and understandings of the
parties in connection therewith.
[SIGNATURE PAGE FOLLOWS]

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IN WITNESS WHEREOF, the parties have caused this Agreement to be duly executed
as of the Effective Date.
TRMC:

TRMC REFINING & MARKETING COMPANY LLC, a Delaware limited liability company  

By: /s/ Gregory J. Goff
Gregory J. Goff
Chairman of the Board of Managers and President
TLO:

TESORO LOGISTICS OPERATIONS LLC, a Delaware limited liability company

By: /s/ Phillip M. Anderson
Phillip M. Anderson
President

Signature Page to License Agreement

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EXHIBIT A
ASSET MAP
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Exhibit A to License Agreement