Patent ID: 8955543
Filing Date: 2015-02-17
Classification: E21B,Y10T

Abstract:
1. A float assembly comprising: a. an upper valve assembly having a body, a substantially cylindrical central flow bore extending therethrough and a flapper hingeably connected to said body; b. a lower valve assembly having a body, a substantially cylindrical central flow bore extending therethrough aligned with the central flow bore of said upper valve assembly, and a flapper hingeably connected to said body; c. a seat member disposed below said lower valve assembly, wherein said seat member travels in a direction parallel to the longitudinal axis of said aligned central flow bores; d. a first retaining member having a first end and a second end, wherein said first end is connected to said seat member, and said second end is releasably joined with the flapper of said upper valve assembly when said flapper is in an open position; and e. a second retaining member having a first end and a second end, wherein said first end is connected to said seat member, and said second end is releasably joined with the flapper of said lower valve assembly when said flapper is in an open position.