Exhibit 99.1


                          NOTICE OF PARTIAL REDEMPTION
                     $65,000,000 Aggregate Principal Amount
                               of the Outstanding
                          10 1/8% Senior Notes due 2009
                             PARKER DRILLING COMPANY
                                CUSIP No. 701081

      NOTICE IS HEREBY GIVEN pursuant to Section 3.03 of the Indenture, dated as
of May 2, 2002,  among Parker  Drilling  Company,  a Delaware  corporation  (the
"Company"),  the  subsidiaries  of the Company named  therein as guarantors  and
JPMorgan Chase Bank,  National  Association,  as Trustee,  as  supplemented  and
amended by the First Supplemental Indenture, dated as of May 2, 2002, the Second
Supplemental  Indenture,  dated as of February 1, 2003,  the Third  Supplemental
Indenture,  dated as of October 7, 2003, and the Fourth Supplemental  Indenture,
dated as of October 10, 2003 (together,  the "Indenture"),  that the Company has
elected to redeem on May 21, 2005 (the "Redemption Date") $65,000,000  aggregate
principal amount of its outstanding 10 1/8% Senior Notes due 2009 (the "Notes").
The Notes to be  redeemed  will be selected in  accordance  with the  applicable
procedures of The Depository  Trust Company for partial  redemptions.  The Notes
are being called for  redemption  pursuant to Section 3.07 of the  Indenture and
Paragraph 5 of the Notes.

      $65,000,000  aggregate  principal  amount of the Notes  outstanding on the
Redemption Date (the "Redeemed  Notes") will be redeemed at the redemption price
of 105.0625% of the principal amount of the Notes (the "Redemption  Price"),  or
$1,050.625  per  $1,000  principal  amount of Notes.  In  addition,  holders  of
Redeemed  Notes will receive  accrued and unpaid  interest  thereon from May 15,
2005 up to but not  including  the  Redemption  Date.  Copies of this  Notice of
Redemption are being mailed by JPMorgan Chase Bank, National Association, as the
paying agent (the "Paying Agent"), directly to holders of record of the Notes as
such holders appear in the securities register maintained by the Company.

      Unless the Company defaults in making the redemption payment, on and after
the  Redemption  Date,  the  Redeemed  Notes  will no  longer  be  deemed  to be
outstanding,  interest on the Redeemed  Notes will cease to accrue and all other
rights with respect to the Redeemed Notes will cease and terminate,  except only
the right of the  holders  thereof  to receive  the  Redemption  Price,  without
interest, upon surrender of the Redeemed Notes to the Paying Agent.

      Under United States  federal  income tax law, the Paying Agent is required
to withhold 28% of the principal  amount of your holdings  redeemed unless it is
provided with your social  security  number or federal  employer  identification
number, properly certified.

      Redeemed  Notes must be  surrendered  to the Paying  Agent to collect  the
Redemption Price. To receive the Redemption Price, certificates representing the
Redeemed Notes must be surrendered to the Paying Agent at the following address:



By Mail:                                     By Express Delivery:
- --------                                     ----------------------
                                          
JPMorgan Chase Bank, National Association    JPMorgan Chase Bank, National Association
Institutional Trust Services                 Institutional Trust Services
P. O. Box 2320                               2001 Bryan Street, 10th Floor
Dallas, Texas  75221-2320                    Dallas, TX 75201

                                             JPMorgan Chase Bank, National
                                             Association, as Trustee
Dated:  April 21, 2005                       (800) 275-2048 (toll-free)