Variable Ram Assembly

U, UL and UM BOP Variable Bore Rams (VBR M and VBR-II M )

The Cameron VBR-II is the next generation of highly popular Cameron variable bore ram (VBR) packer. The VBR-II accommodates a range of pipe sizes and may be used in existing Cameron variable bore rams. The VBR-II seals on a range of drill pipe sizes as well as hexagonal kellys and provides uniform sealing pressure with virtual elimination of extrusion paths.

Description

Variable Ram Assembly

U, UL and UM BOP Variable Bore Rams (VBR M and VBR-II M )

The Cameron VBR-II is the next generation of highly popular Cameron variable bore ram (VBR) packer. The VBR-II accommodates a range of pipe sizes and may be used in existing Cameron variable bore rams. The VBR-II seals on a range of drill pipe sizes as well as hexagonal kellys and provides uniform sealing pressure with virtual elimination of extrusion paths.

As indicated in the chart below, the VBR-III is the standard VBR in most common sizes. In sizes where the VBR-II is not specified in the chart, the popular Cameron VBR is the standard offering. VBR-II packers for other size BOP’s and other pipe size ranges are available upon request.

BOP Size  and Working Pressure (psi) Pipe Size Range Ram Subassembly Ram Body Ram Packer Top Seal
7-1/16″  3,000, 5,000, 10,000 and 15,000 3-1/2″ to  2-3/8″ 615066-01-00-01 615065-01-00-01 614616-02-00-03 644214-02-00-01
7-1/16″ 3,000, 5,000, 10,000 and 15,000 4″  to 2-7/8″ 644901-01 614605-01 614616-02 644214-02-00-01
11″ 3,000 and 5,000 VBR-II 5″  to 2-7/8″ 046674-01-00-02 644836-01-00-02 644926-02 644217-01-00-01
11″ 10,000 VBR-II 5″  to 3-1/2″ 046674-01-00-02 644836-01-00-02 644926-02 644217-01-00-01
11″ 15,000 5″  to 2-7/8″ 2010465-01 2010463-01 2010464-01 2010453-02
13-5/8″ 3,000, 5,000 and 10,000 VBR-II 7″  to 4-1/2″ 046675-01-00-02 046671-01-00-02 644924-03 644223-02-00-01
13-5/8″ 3,000, 5,000 and 10,000 VBR-II 5-7/8″  to 3-1/2″ 2164664-01 2164404-01 2164599-01 644223-02-00-01
13-5/8″ 3,000, 5,000 and 10,000 VBR-II 5-1/2″  to 3-1/2″ 2163945-01 2011438-01 645089-02-00-01 644223-02-00-01
13-5/8″ 3,000, 5,000 and 10,000 VBR-II 5″  to 2-7/8″ 645166-02 644744-01-00-04 645089-02-00-01 644223-02-00-01
13-5/8″ 15,000 7″  to 5″ 614104-01-00-01 614146-01-00-01 644924-02 644226-02-00-01
13-5/8″ 15,000 5-7/8″  to 3-1/2″ 614129-03-00-02 644745-03-00-02 645089-03 644226-02-00-01
13-5/8″ 15,000 5″  to 3-1/2″ 614129-01-00-02 644745-01-00-02 645089-03 644226-02-00-01
16-3/4″ 3,000 and 5,000 7″  to 3-1/2″ 046676-01 046672-01 644920-01-00-01 644229-01-00-01
16-3/4″ 10,000 7″  to 5″ 046676-01 046672-01 644920-01-00-01 644229-01-00-01
16-3/4″ 10,000 5″  to 2-7/8″ 2163175-01 644746-01-00-01 2164605-01 644229-02-00-01
16-3/4″ 10,000 5-1/2″  to 3-1/2″ 2164605-01 2164603-01 645128-01-00-01 644229-02-00-01
18-3/4″ 10,000 VBR-II 7-5/8″  to 3-1/2″ 046677-04 046673-01 644927-02 644232-03-00-01
21-1/4″ 5,000 and 10,000 5-7/8″  to 2-7/8″ 2164444-01 2164408-01 2164423-01 2164440-01

 

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