EXHIBIT 10.11

                         ASSIGNMENT OF OIL AND GAS LEASE

Summitt Oil and Gas, Inc. ("Assignor") and National Health Care Technology, Inc.
("Assignee") agree that:

                                Identity of Lease

WHEREAS, Assignor is Lessee under an Oil and Gas Lease executed on April 4,
2006, by Assignor as Lessee and Summitt Oil & Gas, Inc. as Lessor, covering the
real property in the County of Custer, Oklahoma, described as follows: SEC
25-T12N-R14W, SE/4, CUSTER, OK;, comprising of 160 acres.

WHEREAS, that lease is duly recorded in Book 1265 at Pages 92-93 of the official
records of the county of Custer, Oklahoma, filed January 25, 2005:

                                   Assignment

NOW, THEREFORE, in consideration for the sum of US$400,000 paid by 77,000 shares
in National Healthcare Technology, Inc. and other good and valuable
consideration, receipt of which is hereby acknowledged, Assignor does hereby
sell, assign, transfer, and convey to National Healthcare Technology, Inc. all
of Assignor's right, title, and interest in the lease and the real property
covered by the lease, on the following terms and conditions:

                                Override Royalty

1. There is excepted from the above assignment and conveyance and reserved and
retained in Assignor an overriding royalty equal to 3% of the value of all oil
produced and removed under the lease and the net proceeds received by Assignee
from the sale of all gas and casinghead gasoline produced and sold under the
lease. 2. The overriding royalty reserved and retained by Assignor shall be
payable to Assignor at the same time, and shall be computed in the same manner,
as is provided in the lease for the payment, and computation, of royalties
payable under it to Lessor.

                            Assignee to Perform Lease

3. Assignee accepts, on the terms and conditions specified in this document,
this assignment of lease and agrees to truly and fully perform all of the terms
and conditions of the lease to be performed under the lease by Lessee.

                               Indemnity Agreement

4. Assignee shall indemnify and hold Assignor and the property of Assignor,
including Assignor's interest under this instrument, free and harmless from all
claims, liability, loss, damage, or expense resulting from Assignee's
performance of the lease, Assignee's occupation of any part of the real property
covered by the lease, or the exploration for, or extraction by Assignee under
the lease of, any oil, gas, or other hydrocarbon substances.

                       Modification and Extension of Lease

5. Assignee shall have the right to obtain from Lessor under the lease, or
Lessor's successor in interest as Lessor under the lease, any modifications or
extensions of the lease Assignee may desire, as long as the modifications or
extensions do not reduce in any way the overriding royalty reserved and retained
by Assignor under this instrument or otherwise infringe on any rights of
Assignor under this instrument.


                                       -1-

<PAGE>

                                 Default Clause

7. Should Assignee fail to commence drilling operations on the land covered by
the lease within one year after the date of this instrument, or should Assignee
fail or default in the performance of the lease or this instrument, then
Assignor may, at Assignor's option, either declare Assignee's rights under the
lease and this instrument forfeited and resume its, Assignor's, status as Lessee
under the lease or bring appropriate action in law or equity either to enforce
this instrument or to recover appropriate damages.

                                 Access to Wells

8. Assignor shall have access to any well drilled by Assignee on the land
covered by the lease and shall have the privilege of witnessing all tests and
operations conducted on or in connection with any such well. On written request
of Assignor, Assignee agrees to furnish Assignor with copies of logs and reports
obtained or prepared in connection with any well drilled on the land covered by
the lease.

                              Assignor's Warranties

9. Assignor makes no warranty of title with respect to the land covered by the
lease, but Assignor does warrant and represent to Assignee that:

(a) The rights and interest conveyed to Assignee by this instrument are free and
clear of all liens, charges, and encumbrances created by Assignor;

(b) Assignor has the right to make the transfer and conveyance effectuated by
this instrument;

(c) No default or defaults now exist or have been declared under the lease; and

(d) The lease is now in good standing and in full force and effect.

                         Manner of Payments to Assignor

10. All moneys payable under this agreement by Assignee to Assignor shall be
deemed duly paid when a check for them payable to the order of Assignor is
deposited in the United States mail, first-class postage prepaid, addressed to
Assignor at its office, 9595 Wilshire Bl., #510, Beverly Hills, CA 90210
Assignor may from time to time change depositories for the purpose of this
paragraph by giving written notice of the change and the name and address of the
new depository to Assignee in the manner prescribed by Paragraph 11 of this
instrument.

                                     Notices

11. All notices or other communications required or permitted by this
instrument, the lease, or by law to be served on or given to either party to
this agreement, Assignor or Assignee, by the other party shall be in writing and
shall be deemed duly served when personally delivered to the party to whom it is
directed or when deposited in the United States mail, first-class postage
prepaid, addressed to Assignor at 9595 Wilshire Bl., #510, Beverly Hills CA
90210 or to Assignee at 1660 Union St., #200, San Diego CA 92120. Either party,
Assignor or Assignee, may change its address for the purpose of this paragraph
by giving written notice of that change to the other party in the manner
provided in this paragraph.


                                       -2-

<PAGE>

                                 Attorney's Fees

12. Should any litigation be commenced between the parties to this instrument
concerning the assignment and transfer made by it, the lease, or the rights or
duties of either party in relation to the lease or to this instrument, the
party, Assignor or Assignee, prevailing in that litigation shall be entitled, in
addition to such other relief as may be granted, to a reasonable sum as
attorney's fees in the litigation, which shall be determined by the court in the
litigation or in a separate action brought for that purpose.

                                Binding on Heirs

13. All of the terms and provisions of this instrument shall inure to the
benefit of and shall be binding on the heirs, executors, administrators,
representatives, successors, and assigns of each of the parties to this
agreement.

                             Sole and Only Agreement

14. This instrument constitutes the sole and only agreement between Assignor and
Assignee respecting the lease or the assignment of the lease by Assignor to
Assignee, and correctly sets forth the obligations of Assignor and Assignee to
each other as of its date. Any agreements or representations respecting the
lease or its assignment to Assignee not expressly set forth in this instrument
are null and void.

EXECUTED on April 4, 2006, at Beverly Hills, CA

ASSIGNOR:

Summitt Oil & Gas, Inc.


                                        /s/ Mark Anderson
                                        ----------------------------------------
                                        Mark Anderson, President

ASSIGNEE:

National Health Care Technology, Inc.


                                        /s/ Ross Lyndon-James
                                        ----------------------------------------
                                        Ross Lyndon-James, President


                                       -3-