Exhibit 23.3

CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS

As independent oil and gas consultants, Netherland, Sewell & Associates, Inc. hereby consents to the incorporation by reference in the Registration Statement on Form S-8 of National Fuel Gas Company to be filed on or about September 11, 2015, of information from our audit report with respect to the oil and gas reserves of Seneca Resources Corporation dated October 20, 2014.

NETHERLAND, SEWELL & ASSOCIATES, INC.
By:	/s/ J. Carter Henson, Jr.
	J. Carter Henson, Jr., P.E.
	Senior Vice President

Houston, Texas

September 11, 2015