Patent ID: 6983803
Filing Date: 2006-01-10
Classification: E21B

Abstract:
1. An apparatus for sealing a fluid flow, the apparatus comprising: a cage member having an open end, a seal end, and a first fluid path extending through the cage member; a seal plate having a seal plate contact surface and a second fluid path, the seal plate being removably coupled to the seal end of the cage member; a seal member having a seal member contact surface, the seal member being reciprocally disposed within the first fluid path at the seal end of the cage member; wherein the seal member is actuatable between an open position and a closed position; wherein the first and second fluid paths are in fluid communication when the seal member is in the open position; and wherein the first fluid path is sealed from the second fluid path when the seal member is in the closed position, and the seal member contact surface contacts the seal plate contact surface to cause a seal.