Exhibit 24

                               POWER OF ATTORNEY

        KNOW ALL BY THESE PRESENTS, that the undersigned, Kevin M. Nichols,
hereby constitutes and appoints each of Lori M. Muratta and Lynn S. Borgmeier,
signing individually, the undersigned's true and lawful attorneys-in-fact to:

    1.  execute for and on behalf of the undersigned, in the undersigned's
        capacity as an officer and/or director of Shell Midstream Partners GP
        LLC, the general partner of Shell Midstream Partners, L.P. (the
        "Partnership"), Forms 3, 4 and 5 in accordance with Section 16(a) of the
        Securities Exchange Act of 1934 and the rules thereunder;

    2.  do and perform any and all acts for and on behalf of the undersigned
        which may be necessary or desirable to complete and execute any such
        Form 3, 4 or 5 and timely file such form with the United States
        Securities and Exchange Commission and any stock exchange or similar
        authority; and

    3.  take any other action of any type whatsoever in connection with the
        foregoing which, in the opinion of such attorney-in-fact, may be of
        benefit to, in the best interest of or legally required by, the
        undersigned, it being understood that the documents executed by such
        attorney-in-fact on behalf of the undersigned pursuant to this Power of
        Attorney shall be in such form and shall contain such terms and
        conditions as such attorney-in-fact may approve in such
        attorney-in-fact's discretion.

        The undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, necessary or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall
lawfully do or cause to be done by virtue of this power of attorney and the
rights and powers herein granted. The undersigned acknowledges that the
foregoing attorneys-in-fact, in serving in such capacity at the request of the
undersigned, are not assuming, nor is the Partnership assuming, any of the
undersigned's responsibilities to comply with Section 16 of the Securities
Exchange Act of 1934.

        This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 5 with respect to the
undersigned's holdings of and transactions in securities issued by the
Partnership, unless earlier revoked by the undersigned in a signed writing
delivered to the foregoing attorneys-in-fact.

    IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 20th day of October 2014.


                                        /s/ Kevin M. Nichols
                                        ----------------------------------------
                                        Kevin M. Nichols