EXHIBIT 15.2

           AWARENESS LETTER--UNAUDITED INTERIM FINANCIAL INFORMATION

XTO Energy Inc.

Fort Worth, Texas

   We are aware that our report dated April 23, 2001, which was included in the
Cross Timbers Oil Company's Quarterly Report on Form 10-Q for the quarter ended
March 31, 2001, is being incorporated by reference in this Registration
Statement on Form S-3.


   We also are aware that the aforementioned report, pursuant to Regulation C
under the Securities Act of 1933, is not considered a part of the Registration
Statement prepared or certified by our firm within the meaning of Sections 7
and 11 of that Act.

ARTHUR ANDERSEN LLP

Fort Worth, Texas

June 21, 2001