Exhibit 24

                           LIMITED POWER OF ATTORNEY

          Know all by these presents, that the undersigned officer and/or
director of National Fuel Gas Company (the "Company") hereby constitutes and
appoints Paula M. Ciprich, Sarah J. Mugel, Michael W. Reville and James P.
Baetzhold, or any of them, the undersigned's true and lawful attorneys-in-fact
to:

  (1)     execute for and on behalf of the undersigned SEC Forms 3, 4, 5
          and 144 reporting the undersigned's holdings of and transactions in
          Company securities, in accordance with the Securities Act of 1933, the
          Securities Exchange Act of 1934 and the rules thereunder, all as
          amended;

  (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, manually or electronically, any such Forms 3, 4, 5, or 144,
          and timely file any 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 Company assuming, any of the
undersigned's responsibilities to comply with the Securities Act of 1933 or the
Securities Exchange Act of 1934, as amended.

          This Power of Attorney supersedes any prior power of attorney executed
by the undersigned with respect to the matters set forth herein.

          IN WITNESS WHEREOF, the undersigned has caused this Limited Power of
Attorney to be executed effective as of April 1, 2016.


                             Signature:    /s/ D. L. DeCarolis
                                         -------------------------------
                             Name:        D. L. DeCarolis