Patent ID: 9739101
Date: 2017-08-22
CPC Classifications: E21B

Claim:
1. A system, comprising: a riser restraint device configured to be coupled to a riser of an offshore platform; a tether configured to be coupled to the riser restraint device; and a ratcheting system configured to be coupled to the tether, wherein the riser restraint device is configured to resist movement of the riser via selective retraction and extension of the tether by the ratcheting system, wherein the riser restraint device comprises an upper stopper comprising a first aperture sized to allow an auxiliary line to pass therethrough, a lower stopper comprising a second aperture sized to allow the auxiliary line to pass therethrough, and at least one member extending between the upper stopper and the lower stopper to prevent contact between the tether and the auxiliary line, wherein the upper stopper is configured to prevent the tether from sliding vertically beyond the upper stopper and the lower stopper is configured to prevent the tether from sliding vertically beyond the lower stopper.