Patent ID: 8047122
Filing Date: 2011-11-01
Classification: E21B,F15B

Abstract:
1. A tensioner assembly comprising a plurality of cylinder stroke systems, wherein each cylinder stroke system comprises: a. a pressure containing tube, wherein the pressure containing tube comprises a first tube end and a second tube end, and wherein the pressure containing tube comprises: b. a first fluid source regulator for regulating fluid flow from the first fluid source to each of the cylinder stroke systems; c. a first fluid source controller for controlling the first fluid source regulator, wherein the first fluid source controller comprises computer instructions for regulating flow of the first fluid to and from the plurality of connected accumulators based on a preset stroke limit for each of the cylinder rods within each pressure containing tube; d. a first gas source connected to the first fluid source; and e. a first gas source regulator connected between the first fluid source and the first gas source for regulating gas flow from the first gas source to at least one of the plurality of accumulators.