September 08, 2008
 
 
 

Houston American Energy
801 Travis, Suite 1425
Houston, Texas 77002
Tel: (713) 222-6966
Fax: (713) 222-6440

Colombian
Project
Working
Interest
Gross
Acreage
Cara Cara 1.60% 232,500
Tambaqui 12.60% 4,403
Dorotea 12.50% 51,321
Cabiona 12.50% 86,066
Surimena 6.25% 69,189
Las Garzas 12.50% 103,784
Leona 12.50% 70,343
Camarita 12.50% 166,301
Total 783,907

International Areas of Operation


Llanos Basin, Colombia. In the Llanos Basin, Colombia, we hold interests in (1) a 232,500 acre tract known as the Cara Cara concession, (2) the Tambaqui Association Contract covering 4,400 acres in the State of Casanare, Colombia, (3) two concessions, the Dorotea Contract and the Cabiona Contract, totaling over 137,000 acres, (4) the Surimena concession covering approximately 69,000 acres, (5) the Las Garzas concession covering approximately 103,000 acres, (6) the Leona concession covering approximately 70,343 acres, and (7) the Camarita concession covering approximately 166,000 acres.

Our interest in each of the described concessions and contracts in Colombia are held through an interest in Hupecol, LLC and affiliated entities. We hold a 12.5% working interest in each of the prospects of Hupecol other than the Cara Cara concession, the Surimena concession and the Tambaqui Association Contract. We hold a 1.6% working interest in the Cara Cara concession, a 6.25% working interest in the Surimena concession and a 12.6% working interest, with an 11.31% net revenue interest, in the Tambaqui Association Contract.

Our working interest in the Cara Cara concession and the Tambaqui Association Contract are subject to an escalating royalty of 8% on the first 5,000 barrels of oil per day, increasing to 20% at 125,000 barrels of oil per day. Our interest in the Tambaqui Association Contract is subject to reversionary interests of Ecopetrol, the state owned Colombian oil company, that could cause 50% of the working interest to revert to Ecopetrol after we have recouped four times our initial investment. Our working interest in the additional concessions is subject to an escalating royalty ranging from 8% to 20% depending upon production volumes and pricing and an additional 6% to 10% per concession when 5,000,000 barrels of oil have been produced on that concession.

In December 2003, we exercised our right to participate in the acquisition, through Hupecol, of over 3,000 kilometers of seismic data in Colombia covering in excess of 20 million acres. The seismic data is being utilized to map prospects in key areas with a view to delineating multiple drilling opportunities. We will hold a 12.5% interest in all prospects developed by Hupecol arising from the acquired seismic data. During 2006 we acquired 3D seismic data on the Las Garzas contract, the Jagueyes TEA and the Simon TEA. As a result of seismic evaluation, the Jagueyes TEA was converted to the Leona concession and the Simon TEA was converted to the Camarita concession during 2006.








 
 



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