HPHT Mechanical Set Retrievable Packer C / W Integral Bypass With 12000psi WP
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                                            ...l downhole testing service in high temperature & high pressure working condition. While going in the hole, the bypass of the retrievable packer is held open until the slips are set by the J-slot that controls the mechanical slips. The 12K HTHP packer is...                                         
                                            XI 'AN ZZ TOP OIL TOOLS CO.,LTD
                                         
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