SHANDONG SAIGAO GROUP CORPORATION
SHANDONG SAIGAO GROUP CORPORATION

Roller Reamer

Roller reamer is designed for various reaming operation. It can be used in hard formation or abrasive formation, in order to keep the standard hole size. When the drill bit wears and under the standard size, roller reamer can ream the bottom well and recover to standard hole size. Whether drilling the vertical well or directional well, three-roller reamer can ensure the following drill bit or casing run into the normal hole size. The features of roller reamer are low frictional resistance with well wall, strong abrasive resistance and long service life.


Technical Specification of Roller Reamer


Model

Working OD

ID

Body OD

OAL

Roller OD

Roller Length

Connection

mm (inch)

mm (inch)

mm (inch)

mm (ft)

mm (inch)

mm (inch)

GL149

149.2(5-7/8)

31.8(1-1/4)

120.7(4-3/4)

1400 (4.6)

46(1-13/16)

200 (7-7/8)

NC38

GL152

152.4 (6)

31.8(1-1/4)

120.7(4-3/4)

1400 (4.6)

50.8 (2)

200 (7-7/8)

NC38

GL216

215.9(8-1/2)

44.5(1-3/4)

165(6-1/2)

1730 (5.7)

71.4 (2-13/16)

200 (7-7/8)

NC50

GL311

311.15(12-1/4)

71.4(2-13/16)

203 (8)

1900 (6.2)

100 (3-15/16)

300 (11-13/16)

6-5/8REG

GL444

444.5(17-1/2)

76.2 (3)

229 (9)

2200(7.2)

140 (5-1/2)

304 (12)

7-5/8REG

GL559

558.8(22)

76.2 (3)

241.3(9-1/2)

2667 (8.8)

158 (6-7/32)

400 (15-3/4)

7-5/8REG

GL660

660.4(26)

76.2 (3)

241.3(9-1/2)

2867 (9.4)

178 (7)

400 (15-3/4)

7-5/8REG

GL711

711.2 (28)

76.2 (3)

241.3 (9-1/2)

2867 (9.4)

178(7)

400 (15-3/4)

7-5/8REG


PRODUCT
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