A one-trip system for placement and setting a downhole packer or plug is disclosed. The packer is settable in a variety of ways, including hydraulically, acoustically by pressure pulse signals, or some combination. Use of hydraulic pressure triggers a pressure-creating reaction to initiate the setting...http://www.google.fr/patents/US6142231?utm_source=gb-gplus-shareBrevet US6142231 - One-trip conveying method for packer/plug and perforating gun
One-trip conveying method for packer/plug and perforating gun
