Exhibit 23.2 SCHLUMBERGER DATA AND CONSULTING SERVICES 1310 Commerce Drive Park Ridge 1 Pittsburgh, PA 15275-1011 Tel: 412-787-5403 Fax: 412-787-2906 February 5, 2003 CONSENT OF INDEPENDENT PETROLEUM ENGINEERS Schlumberger Data and Consulting Services hereby consents to the references to our firm in the form and context in which they appear in the Annual Report on Form 10-K of NiSource, Inc. (the "Company") for the fiscal year ended December 31, 2002. We hereby further consent to the use of information contained in our reports, as of December 31, 2002 setting forth the estimates of revenues from the Company's oil and gas reserves. We further consent to the incorporation by reference of the Form 10-K and the Forms 10-Q into the Company's Registration Statement on Form S-3 filed February 28, 2003. Sincerely, /s/ Joseph H. Frantz, Jr. Joseph H. Frantz, Jr., P.E. Operations Manager Eastern U.S.