Annular Zonal Isolation Packers to avoid groundwater contamination - dailymotion

http://www.saltel-industries.com/en/solutions-a-services/ses-azip/ses-azip-introduction.html The SES AZIP (Saltel Expandable Steel Annular Zonal Isolation Packer) allows Multi-stage fracturing while it ensures a total annular integrity; crimped to the casing, the SES Azip avoids any risk of groundwater contamination, and contributes to drastic production optimization

*Saltel FracPackers are not available in Europe