Patent ID: 7363937

Claim:
A sleeve insert for a choke assembly, the choke assembly comprising a choke body having an interior surface, a shuttle subassembly, and a bonnet, the choke body including an upper body section having an upper body orifice within which the shuttle assembly may be linearly displaced, a side inlet channel to the upper body orifice, and an end discharge channel coaxially aligned about a center axis with the upper body orifice and having a discharge diameter, the bonnet retaining the shuttle subassembly and attached to the upper body section distal the end discharge channel, the sleeve insert comprising: A replaceable tubular member including a first end and a second end, wherein the tubular member protects the interior surface of the choke body from erosion; the tubular member sealingly retained between the upper body and the bonnet; the tubular member having an inner diameter sufficient to accommodate the linear displacement of the shuttle assembly and an outer diameter sufficient to fit within the upper body orifice; at least one attachment member extending outward from the first end of the tubular member; the at least one attachment member secured intermediate the upper body and the bonnet; the tubular member having an opening therein to receive fluid from the side inlet channel; wherein the sleeve insert is selectively removable from the choke assembly; wherein the at least one attachment member has a removal hole therethrough, the removal hole positioned over a flat area of the upper body section and including a tapped interior for receiving a threaded article; and wherein the threaded article is selectively lowered within the removal hole against the flat area to remove the sleeve insert from the choke body.