Patent ID: 8490689
Filing Date: 2013-07-23
Classification: E21B

Abstract:
1. A bridge style fractionation plug for use in a wellbore comprising: a. a mandrel having a crown engagement and a first setting mechanism receiving portion and a second setting mechanism receiving portion, wherein the crown engagement has a larger diameter portion with a diameter larger than the setting mechanism receiving portions, and wherein the setting mechanism receiving portions are between terminal ends of the mandrel, and wherein an anti-rotation ring is disposed on the larger diameter portion of the crown engagement; b. a load ring disposed about the mandrel; c. a first slip disposed adjacent to the load ring; d. a first slip backup adjacent the first slip onto the mandrel; e. a first lubricating spacer adjacent the first slip backup; f. a first secondary seal adjacent the first lubricating spacer; g. a primary seal adjacent the first secondary seal; h. a second secondary seal adjacent the primary seal; i. a second lubricating spacer adjacent the second secondary seal; j. a second slip backup adjacent the second lubricating spacer; k. a second slip adjacent the second slip backup; l. a removable nose cone disposed over the mandrel adjacent the second slip, wherein the removable nose cone comprises: m. wherein the mandrel is adapted to use a bridge plug configuration comprising: