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"Plastisoft™ Perforation combined with bottomhole chemical treatment;

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Efficiency

Combined Plastisoft™ Perforation can be successfully applied in

• wells after remedial jobs
• wells turned over from drilling
• wells with damaged cement
• wells located close to water-bearing horizons
• prior to hydraulic fracturing and enhanced oil recovery technologies application
• injection wells
• sidetracks and horizontal holes
• re-perforation following jet perforation
• wells with an abrupt drop of production rates
• wells producing viscous oil, with high paraffin content
• perforation prior to emergency cement jobs
• wells to be perforated for liquid waste disposal

The above technique is used by NEKKO Company Ltd to conducts over 350 well services annually.

There has never been any case of failed perforation that resulted in “emergency stops” during proppant displacement. The 100% effectiveness of Combined PLASTISOFTtm perforation application prior to oil recovery technologies is proven by over 200 well jobs.

The NEKKO method showed 85% efficiency on injection wells. Upon treatment they respond by increasing their net injectivity. This is proven by over 100 well jobs.