EXHIBIT 15.1

                  AWARENESS LETTER OF INDEPENDENT ACCOUNTANTS
                  -------------------------------------------


Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549

                                                    Re: OYO Geospace Corporation
                                                        Registration on Form S-8

We are aware that our report dated May 7, 2001, on our review of interim
financial information of OYO Geospace Corporation as of March 31, 2001 and for
the three months and six months ended March 31, 2001 and 2000, and included in
the Company's quarterly report on Form 10-Q for the quarter ended March 31, 2001
is incorporated by reference in the Company's registration statement on Form S-8
(Nos. 333-40893 and 333-80003).  Pursuant to Rule 436(c) under the Securities
Act of 1933, this report should not be considered a part of the registration
statement prepared or certified by us within the meaning of Sections 7 and 11 of
that Act.


                                                  /s/ PricewaterhouseCoopers LLP


Houston, Texas
May 7, 2001