DH-445 Retrievable Bridge Plug  Application  Apply for casing well to bottom layer plugging and selected layer fracturing.  Feature  • Adopts bi-directional slip,Website: , stable and reliably.  • Adopts annular inner locking mechanisms, set convenient, reliable.  • Adopts five block teeth automatically adjust centralization and anchor.  • Small setting tool, high pressure, bearing high pressure, unsetting load stable.  • Can wash well and inverse well flushing before it set.  ParameterCasing (in)ID. (in)Length (in)Temp. (℉)Pressure (psi)Thread (in)4-1/23.7040.71250-3005000-100002-3/8 NU54.1043.58250-3005000-100002-7/8 NU5-1/24.4946.85250-3005000-100002-7/8 NU5-3/44.7247.76250-3005000-100002-7/8 NU65.3247.56250-3005000-100002-7/8 NU6-5/85.5147.99250-3005000-100002-7/8 NU6-5/85.6747.17250-3005000-100002-7/8 NU75.8346.85250-3005000-100002-7/8 EU75.9848.15250-3005000-100002-7/8 EU7-5/86.5049.80250-3005000-100003-1/2 EU8-5/87.2851.06250-3005000-100003-1/2 EU9-5/88.2753.15250-3005000-100004 EU9-5/88.4654.53250-3005000-100004-1/2 EU