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| Please see our new shipping rates on the Order Details page. International customers may choose to purchase through their local representative. |
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| | | | | | | | Leonard Kalfayan |  | Leonard Kalfayan has more than 20 years experience in well stimulation technology support, technology transfer, as well as research and development with a major energy company (UNOCAL), a major service company (BJ Services), and as an independent consultant. He holds 11 U.S. patents in steam and acid stimulation technologies as well as formation damage control.
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