EXHIBIT 10.85

                          SUPPLEMENTARY CONTRACT (NO.1)

This Supplementary Contract (No. 1) to the Production Sharing Contract for Block
A-18  dated  21 April 1994 (hereinafter referred to as "the Principal Contract")
is  made  on the  21st day of   April  1999 by and between the MALAYSIA-THAILAND
JOINT  AUTHORITY  (hereinafter  referred  to  as  "MTJA")  an  authority  duly
established under the Malaysia-Thailand Joint Authority Act 1990 of Malaysia and
Thailand-Malaysia  Joint  Authority  Act  B.E.  2533  (1990)  of  the Kingdom of
Thailand  and  the  Agreement  between  the  Government  of  Malaysia,  and  the
Government  of  the  Kingdom  of  Thailand on the Constitution and Other Matters
Relating to the Establishment of the Malaysia-Thailand Joint Authority, dated 30
May 1990, and having its office at 27th Floor, Empire Tower, City Square Centre,
182  Jalan  Tun  Razak,  50400  Kuala  Lumpur,  Malaysia, of the first part; and
PETRONAS  CARIGALI  (JDA)  SDN.  BHD.,  a company duly incorporated and existing
under the laws of Malaysia and having its registered office at Tower 1, PETRONAS
Twin  Towers, Persiaran KLCC, 50450 Kuala Lumpur, Malaysia (hereinafter referred
to  as  "CARIGALI"), TRITON OIL COMPANY OF THAILAND, a company duly incorporated
and existing under the laws of the State of Texas, United States of America, and
having  its  registered  office  at  6688  North Central Expressway, Suite 1400,
Dallas,  Texas,  75206,  United  States  of America, and having its local branch
office  at  7th  Floor,  Kin  Gwan Building 1, 140 Wireless Road, Bangkok 10330,
Thailand,  and  Suite  13.01,  13th Floor, Menara Tan & Tan, 207 Jalan Tun Razak
50400  Kuala  Lumpur, Malaysia (hereinafter referred to as "TRITON"), and TRITON
OIL  COMPANY OF THAILAND (JDA) LIMITED, a company incorporated under the laws of
the  Cayman  Islands  and  having  its statutory office in Dallas, Texas, United
States of America, and having its local registered branch office at Suite 13.01,
13th  Floor, Menara Tan & Tan, 207 Jalan Tun Razak, 50400 Kuala Lumpur, Malaysia
(hereinafter  referred  to as "TRITON JDA"), of the second part.  The parties of
the  first  and  second  part  shall  hereinafter be referred to individually as
"Party"  and  collectively  as  "Parties".

WHEREAS Article 2.4 Paragraph 4 of the Principal Contract provides that any Sub-
Block which is not defined as a Development Area and any area which is not a Gas
Field  as  defined  in  accordance with Article 8.1 at the end of five (5) years
from  the  Effective  Date  (hereinafter  referred to as "the Unexplored Areas")
shall  be deemed to be relinquished to MTJA and cease to be part of the Contract
Area;

AND  WHEREAS  CARIGALI,  TRITON  and TRITON JDA (hereinafter referred to as "the
Contractors")  request  MTJA's  permission to retain the Unexplored Areas for an
additional three (3) years for further exploration after the end of the five (5)
years  from  the  Effective  Date;

AND  WHEREAS MTJA agrees not to invoke the above-mentioned Article 2.4 Paragraph
4  and further agrees to the request of the Contractors to retain the Unexplored
Areas  in  consideration  of additional work commitments to be undertaken by the
same.

NOW  THEREFORE  it  is  hereby  stipulated  and  agreed  as  follows:-

1.     The Contractors shall retain the Unexplored Areas for an additional three
(3) years commencing on the fifth anniversary of the Effective Date (hereinafter
referred  to  as  "the Retention Period") for further exploration subject to the
following  minimum  work  commitments  and  conditions:-

(i)     The  Contractors  shall  carry  out  subsurface  studies to redefine and
reevaluate  the  hydrocarbon prospectivity in the Unexplored Areas and drill two
(2) Wildcat Wells at an aggregate drilled footage of not less than five thousand
(5,000)  metres.

(ii)     The  amount  to  be  expended  by  Contractors  in  carrying  out their
exploration activities in the Unexplored Areas during the Retention Period shall
in the aggregate be not less than ten million four hundred sixty thousand United
States Dollars (USD10,460,000) which aggregate amount includes the MTJA training
bonus  of  seventy  thousand  United  States  Dollars  (USD70,000)  per  year.

(iii)     The  Retention  Period  shall  not  affect  the existing fixed term of
thirty-five (35) years of the Principal Contract set out in Article 2.1 thereof.
Any  new  discovery  of  a  Gas  Field  within  the  Unexplored Areas during the
Retention  Period  will  yield  a shorter gas holding period commencing from the
date  of  agreement  between  the Parties on the extent of the Gas Field and its
reserve  area as set out in Article 8.1 of the Principal Contract, and ending 20
April  2004.  The  periods for development and production of the Gas Field shall
remain  the  same.

(iv)     When  Crude Oil is discovered in a Commercial Quantity in any Sub-block
or  Sub-blocks  within  the  Unexplored  Areas during the Retention Period, that
Sub-block or Sub-blocks shall be automatically converted into a Development Area
and  the  provisions of Article 2.4, Paragraph 1 of the Principal Contract shall
apply.  If  Contractors  fail  to  produce  Crude  Oil commercially, directly or
indirectly,  from  such  Sub-block  or  Sub-blocks  prior to 20 April 2004, such
Sub-block  or Sub-blocks shall be deemed to be relinquished to MTJA and cease to
be  part  of  the  Contract  Area.

2.     Except  as expressly provided in this Supplementary Contract (No. 1), the
Principal  Contract is not otherwise waived, amended and supplemented hereby and
the  terms  therein  shall  remain  in  full  force  and  effect.

3.     Any terms that are defined terms in the Principal Contract shall have the
same  meaning  when  used  in  this Supplementary Contract (No. 1) unless herein
otherwise  expressly  provided.

IN  WITNESS  WHEREOF  MTJA,  CARIGALI,  TRITON  and  TRITON  JDA  have  by their
respective duly authorised officers executed this Supplementary Contract (No. 1)
on  the  day  and  year  first  herein  above  written.

Signed  by  :                               )
For  and  on  behalf  of                    )_____________________
MALAYSIA-THAILAND  JOINT  AUTHORITY         )
In  the  presence  of                       )
                                            )

Signed  by  :                               )
For  and  on  behalf  of                    )_____________________
PETRONAS  CARIGALI  (JDA)  SDN.  BHD.       )
In  the  presence  of                       )
                                            )

Signed  by  :                               )
For  and  on  behalf  of                    )_____________________
TRITON  OIL  COMPANY  OF  THAILAND          )
In  the  presence  of                       )
                                            )

Signed  by  :                               )
For  and  on  behalf  of                    )______________________
TRITON  OIL  COMPANY  OF  THAILAND  (JDA)   )
LIMITED                                     )
In  the  presence  of                       )
                                            )