DH-453 Permanent Hydraulic PackerApplication:Satisfy kinds of working and the need of well completion,Website:http://www.dhpetrotools.com, widely apply for sealing plug between the layers, high pressure acidification , zonal acidification, mining and drainage & gas extraction, repair well, casing cement injection, gravel pack, etc ,process measures and well completion production. Used for oil and gas layer protection, preventing pollution, and sand control, etc.Feature:  • Adopt high strength clip , which can bear higher two-way differential pressure.  • Large ID, satisfy the normal testing requirements.  • The special metal ring can prevent the flowing on the condition rubber tube pressure is very high.  • Hydraulic sitting, can be used for high angle wells.  • Without moving packer, can free up the tubing string.  • Hydraulic setting, can't be released  Parameters:Specification5"5-1/2"7"7"packerOD. (in)4.014.405.745.87ID. (in)2.282.283.624.00Length (in)35.2335.2343.3032.67SealExtensionSubOD. (in)3.543.545.1919ID. (in)2.282.283.624.00Length (in)According to the applicationHydraulicSettingToolOD. (in)3.934.405.745.86ID. (in)1.021.021.411.41Length (in)38.1838.1840.1547.24Temp. (℉)250-300Pressure (psi)10000Thread (in)2-7/8 EU3-1/2 EU