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                            SCHEDULE 14A INFORMATION

                   CONSENT STATEMENT PURSUANT TO SECTION 14(A)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

Filed by the Registrant [ ]
Filed by a Party other than the Registrant [X]

Check the appropriate box:
[ ] Preliminary Consent Statement
[ ] Confidential, for Use of the Commission Only (as permitted by
    Rule 14a-6(e)(2))
[ ] Definitive Consent Statement
[ ] Definitive Additional Materials
[X] Soliciting Material Pursuant to Section 240.14a-12


                          BARRETT RESOURCES CORPORATION
                ------------------------------------------------
                (Name of Registrant as Specified in its Charter)


                               SHELL OIL COMPANY

                             SRM ACQUISITION COMPANY
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   (Name of Person(s) Filing Consent Statement, if other than the Registrant)


Payment of filing fee (Check the appropriate box):

[X] No fee required.
[ ] Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.

     1)  Title of each class of securities to which transaction applies:

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     2)  Aggregate number of securities to which transaction applies:

         -----------------------------------------------------------------------

     3)  Per unit price or other underlying value of transaction computed
         pursuant to Exchange Act Rule 0-11 (set forth the amount which the
         filing fee is calculated and state how it was determined):

         -----------------------------------------------------------------------

     4)  Proposed maximum aggregate value of transaction:

         -----------------------------------------------------------------------

     5)  Total fee paid:

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[ ] Fee paid previously with preliminary materials.

[ ] Check box if any part of the fee is offset as provided by Exchange Act
    Rule 0-11(a)(2) and identify the filing for which the offsetting fee was
    paid previously. Identify the previous filing by registration statement
    number, or the Form or Schedule and the date of its filing.

     1)  Amount Previously Paid:

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     2)  Form, Schedule or Registration Statement No.:

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     3)  Filing Party:

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     4)  Date Filed:

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                SHELL EXTENDS BARRETT TENDER OFFER FOR TWO WEEKS



         HOUSTON (APRIL 6, 2001) - Shell Oil Company (Shell) today extended its
tender offer for all outstanding shares of Barrett Resources Corporation (NYSE:
BRR) to 12:00 midnight, EDT, on April 20, 2001.

          "In another two weeks, the Barrett Board will have had ample time to
determine whether another viable offer for the company exists," said Walter van
de Vijver, president and CEO of Shell Exploration & Production Company, the
exploration and production arm of Shell Oil Company.

         As of the close of the market on April 5, 2001, 63,087 shares of
Barrett stock had been tendered into Shell's offer. Shell Oil Company is a
wholly-owned member of the Royal Dutch/Shell Group (NYSE: RD, SC).

                        ********************************

SHELL OIL COMPANY HAS FILED A PRELIMINARY CONSENT STATEMENT AND OTHER
SOLICITATION MATERIALS WITH THE SEC RELATING TO SHELL OIL COMPANY'S SOLICITATION
OF WRITTEN CONSENTS FROM THE SHAREHOLDERS OF BARRETT RESOURCES CORPORATION.
INVESTORS AND SECURITY HOLDERS ARE STRONGLY ADVISED TO READ THE DEFINITIVE
CONSENT STATEMENT, WHEN AVAILABLE, BECAUSE IT WILL CONTAIN IMPORTANT
INFORMATION. THE DEFINITIVE CONSENT STATEMENT WILL BE FILED BY SHELL OIL COMPANY
WITH THE SEC. INVESTORS AND SECURITY HOLDERS CAN OBTAIN A FREE COPY OF THE
CONSENT STATEMENT (WHEN AVAILABLE) AND OTHER RELEVANT DOCUMENTS ON THE SEC'S WEB
SITE.

IN ADDITION, THE IDENTITY OF PEOPLE WHO, UNDER SEC RULES, MAY BE CONSIDERED
"PARTICIPANTS IN THE SOLICITATION" OF BARRETT SHAREHOLDERS AND THEIR HOLDINGS OF
BARRETT COMMON STOCK ARE CONTAINED IN SHELL OIL COMPANY'S PRELIMINARY CONSENT
STATEMENT FILED WITH THE SEC UNDER REGULATION 14A.

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THIS PRESS RELEASE CONTAINS FORWARD-LOOKING STATEMENTS THAT ARE BASED ON SHELL
OIL COMPANY'S CURRENT EXPECTATIONS, ESTIMATES AND PROJECTIONS. WORDS SUCH AS
"EXPECTS," "ANTICIPATES," "FORECASTS," "INTENDS," "PLANS," "BELIEVES,"
"PROJECTS," AND "ESTIMATES," AND VARIATIONS OF SUCH WORDS AND SIMILAR
EXPRESSIONS ARE INTENDED TO IDENTIFY SUCH FORWARD-LOOKING STATEMENTS.

THESE STATEMENTS ARE NOT GUARANTEES OF FUTURE PERFORMANCE AND INVOLVE RISKS AND
UNCERTAINTIES AND ARE BASED ON A NUMBER OF ASSUMPTIONS THAT COULD ULTIMATELY
PROVE INACCURATE AND, THEREFORE, THERE CAN BE NO ASSURANCE THAT THEY WILL PROVE
TO BE ACCURATE.

ACTUAL RESULTS AND OUTCOMES MAY VARY MATERIALLY FROM WHAT IS EXPRESSED OR
FORECAST IN SUCH STATEMENTS. AMONG THE FACTORS THAT COULD CAUSE ACTUAL RESULTS
TO DIFFER MATERIALLY ARE CHANGES IN NATURAL GAS PRICES, CHANGES IN COMPETITIVE
OR ECONOMIC CONDITIONS AFFECTING SUPPLY AND DEMAND FOR GAS, PENDING OR FUTURE
LITIGATION, CHANGES IN CURRENT LAWS AND REGULATIONS, AND GENERAL DOMESTIC AND
INTERNATIONAL ECONOMIC AND POLITICAL CONDITIONS. SHELL OIL COMPANY UNDERTAKES NO
OBLIGATION TO UPDATE PUBLICLY ANY FORWARD-LOOKING STATEMENTS, WHETHER AS A
RESULT OF NEW INFORMATION, FUTURE EVENTS OR OTHERWISE.


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MEDIA CONTACTS:

Kitty Borah/Stacy Hutchinson         Shell Oil Media Relations    (713) 241-4544

David Sexton                         Shell Oil Investor Relations (212) 218-3112

Web site information                 www.shell-barrett.com/