Particle Drilling Technologies, Inc.  



PDTI's proprietary fixed-cutter bit and nozzle system capable of delivering 650 GPM of mud/shot slurry.

PARTICLE DRILLING TECHNOLOGIES FIELD TRIAL UPDATE

Houston – August 19, 2008 – Particle Drilling Technologies, Inc. (NASDAQ: PDRT) (the "Company") today announced that it has moved its equipment and is in the process of rigging up on the drilling location for its next field trial operation. The field trial will be conducted with the Company’s existing customer at a location in the Deep Bossier trend of East Texas. As before, the target interval for applying Particle Impact Drilling will be the Travis Peak formation which overlays the Deep Bossier.

The Company is unable to predict the duration of the trial or provide a defined time-frame for disclosing results from the trial. Further, the Company does not expect to release any information regarding the results of the field trial until after the Company and its customer have fully evaluated the operation.

Particle Drilling Technologies, Inc., headquartered in Houston, Texas, is a development-stage oilfield service and technology company owning several patents and pending patents related to its Particle Impact Drilling technology. The Company’s technology is designed to enhance the rate-of-penetration function in the drilling process, particularly in hard rock drilling environments.

About Particle Drilling Technologies, Inc.
Particle Drilling Technologies, Inc. (NASDAQ: PDRT) is a development-stage oilfield service and technology company commercializing its patented and patent-pending Particle Impact Drilling system. The company’s technology is designed to enhance the rate-of-penetration function in the drilling process, particularly in hard-rock environments. It is headquartered in Houston, Texas. For more information, visit: www.particledrilling.com.

Contacts:
J. Chris Boswell, SVP & CFO
Particle Drilling Technologies, Inc.
713-223-3031

Jack Lascar / Sheila Stuewe
DRG&E / 713-529-6600