Cooper Cameron Corporation

Bruce G Parker

Eric G Childs

A ram-type blowout preventer (10) has a front packing arrangement (24) with a packer assembly (28) therein. Packer assembly (28) includes an elastomeric packer member (30) and a recess (46) defined between plates (32) and (34) adjacent elastomeric packer member (30). A replaceable wear insert (60) insertable within recess (46) has projections (74) on opposed parallel sides (66, 68) of insert (60). Projections (74) include a pair of wedge-shaped projecting portions (76, 78) which press into and deform the adjacent contacting sides (48, 50) of elastomeric packer member (30) for retaining insert (60) in position within recess (46) without any separate preformed receptacles or grooves formed in elastomeric packer member (30).

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Katy, TX, United States of America

Bruce G Parker