Patent ID: 9551198
Date: 2017-01-24
CPC Classifications: E21B

Claim:
1. A well system, comprising: an assembly providing a bore in communication with a wellbore; a device operable to shear a tubular disposed in the bore; and a shutter device located below the device comprising adjacent rams located circumferentially about the bore, each of the adjacent rams having a plate with a front face, the shutter device operable between an open position with the plates withdrawn from the bore to a closed position with the front faces of the plates contacting the tubular in the bore and the plates of the adjacent rams overlapping one another, wherein the plates do not seal against the tubular, wherein the plate of each of the adjacent rams comprises two or more plates that are stacked and spaced vertically apart whereby in the closed position the two or more plates of the adjacent rams interleave one another.