UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C.   20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. _________)*
CASTLE ENERGY CORP
(NAME OF ISSUER)
COMMON
(Title of Class of Securities)
148449309
(Cusip Number)

Check the following box if a fee is being paid with this statement X  .  (A fee
is not required only) if the filing person:  (1) has a previous statement on
file reporting beneficial ownership of more than five percent of the class of 
securities described in Item 1;and (2) has filed no amendment subsequent thereto
reporting beneficial ownership of 5% or less of such class.)  (See Rule 13d-7).

*The remainder of this cover page shall be filled out for a reporting person's
 initial filing on this form with respect to the subject class of securities,
and for any subsequent amendment containing information which would alter the 
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act(however, see the Notes).

CUSIP NO.                    13G
       148449309
     1 NAME OF REPORTING PERSON    Brandywine Asset Management, Inc.
       S.S. or I.R.S IDENTIFICATION NO. OF ABOVE PERSON  IRS ID#  51-0294065
     2 CHECK THE APPROPRIATE BOX IF A      (a)
       MEMBER OF A GROUP                   (b)       X
     3 SEC USE ONLY 
     4 CITIZENSHIP OR PLACE OF ORGANIZATION  Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
     5 SOLE VOTING POWER                     0
     6 SHARED VOTING POWER                 N/A
     7 SOLE DISPOSITIVE POWER                0
     8 SHARED DISPOSITIVE POWER            N/A
     9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
       REPORTING PERSON                      0
    10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
       EXCLUDES CERTAIN SHARES             N/A
    11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 0.0%
    12 TYPE OF REPORTING PERSON*           IA

ITEM 1.(a)  CASTLE ENERGY CORP
       (b)  100 MATSON FORD ROAD
            RADNOR         PA            19087
ITEM 2.(a)  BRANDYWINE ASSET MANAGEMENT, INC
       (b)  3 Christina Centre, 201 North Walnut Street, Suite 1200
            Wilmington       DE            19801
       (c)  Delaware Corporation
       (d)  COMMON
       (e)  148449309
ITEM 3.(e)  Investment Adviser registered under Section 203 of the
            Investment Advisors Act of 1940
ITEM 4.(a)                          0
       (b)                            0.0%
       (c)  (i)                     0
            (ii)             None
            (iii)                   0
            (iv)             None
ITEM 5.This statement is being filed to report the fact that as of the date 
hereof the reporting person has ceased to be the beneficial owner of
more than five percent of the class of securities.


ITEM 6.N/A
ITEM 7.N/A
ITEM 8.N/A
ITEM 9.N/A
ITEM 10--CERTIFICATION
By signing below I certify that, to the best of my knowledge and belief, the
securities referred to above were acquired in the ordinary course of business
and were not acquired for the purpose of and do not have the effect of changing
or influencing the control of the issuer of such securities and were not
acquired in connection with or as a participant in any transaction having
such purposes or effect.

SIGNATURE
 
After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.
                                  02/20/97
                             Date
                             /s/  Carl M. Lindberg
                             Managing Director & Secretary