Second-generation insert seal

Technical features:
 Seal of downhole back-plugging tool, which can achieve effective sealing in various sand-clamping environments;
 Fiction can be as low as 220Kg;
 Can be switched and inserted multiple times, with an insertion distance of more than 200 meters;
 Maximum temperature resistance: 204℃;
 Maximum pressure resistance: 10000Psi;
 Test standard: to API 11D1 V0/V3 ；
 Applicable standard seal cylinder size range: 3.25”～6”;
 Provide design, production and testing of non-standard products;